Zoek op
Door een firma aan te klikken wordt een lijst van 'alle' BCCA certificaten van de gekozen firma getoond. Indien beschikbaar kan het certificaat zelf worden getoond.
Kies a.u.b. een certificaathouder uit de volledige lijst. Om de selectie te beperken, kunt u op de beginletter van de firmanaam klikken.
De BCCA-website is de enige referentie voor geldige certificaten gepubliceerd onder de verantwoordelijkheid van BCCA
Certificaathouders
| Certificaathouders | Postcode | Gemeente | Land | |
|---|---|---|---|---|
| #1 RENOVATIE MEESTERS BV | 2160 | Wommelgem | BE | |
| 2MM PROJECT B.V. | 9160 | Lokeren | BE | |
| 4M ENGINEERING SRL | 4651 | Battice | BE | |
| A.I.S. NV | 2200 | Herentals | BE | |
| A.V. FAÇADES SPRL | 4450 | Juprelle | BE | |
| A/S ROCKWOOL - NORWAY | 0401 | Oslo | NO | |
| A2 SA | 7080 | Frameries | BE | |
| AALBERTS INTEGRATED PIPING SYSTEMS B.V. | 1212 AA | Hilversum | NL | |
| AAS3 SPRL | 7130 | Binche | BE | |
| AB-EIFFAGE | 2140 | Borgerhout (Antwerpen) | BE | |
| ABET NV | 9000 | Gent | BE | |
| ABO NV | 9051 | Gent | BE | |
| ABOG NV | 9230 | Wetteren | BE | |
| ABRISO-JIFFY | 8570 | Anzegem | BE | |
| ACEG ENERGY | 9240 | Zele | BE | |
| ACENA VOF | 8830 | Hooglede | BE | |
| ACOTEC NV | 9320 | Erembodegem (Aalst) | BE | |
| ACTUAL RENOV SPRL | 7134 | Péronnes-Lez-Binche | BE | |
| AD MEGATEC BVBA | 7780 | Komen | BE | |
| ADAM MATERIAUX SPRL | 4280 | Hannut | BE | |
| ADFIL NV | 9240 | Zele | BE | |
| ADLER-HIS | 41455 | Dilovasi, Kocaeli | TR | |
| ADMINISTRATION DES PONTS ET CHAUSSEES | 1528 | Luxembourg | LU | |
| ADOLF WÜRTH GMBH CO. KG | 74653 | Künzelsau-Gaisbach | DE | |
| AGC GLASS EUROPE | 1348 | Louvain-la-Neuve | BE | |
| AGC INTERPANE GMBH | 51688 | Wipperfürth | DE | |
| AGENTSCHAP WEGEN EN VERKEER | 1000 | Brussel | BE | |
| AHM WELDING B.V. | 9900 | Eeklo | BE | |
| AKDAG GRANIT MERMER VE MADEN SAN. TIC. A.S. ? TURKEY | 23280 | Yazikonak | TR | |
| ALBINTRA NV | 2520 | Broechem | BE | |
| ALFA SOLARE SPA | 47891 | Serravalle (Rep. San Mar | SM | |
| ALG. BOUWONDERNEMING DESPIERRE FILIP BVBA | 8650 | Houthulst | BE | |
| ALGEMENE BOUW ISOLATIE NV | 3511 | Hasselt | BE | |
| ALGEMENE BOUW MAES N.V. | 9000 | Gent | BE | |
| ALGEMENE ONDERNEMINGEN CLAES | 3540 | Herk-de-Stad | BE | |
| ALIAXIS BELGIUM SA | 4040 | Herstal | BE | |
| ALIAXIS NEDERLAND BV | 5981 NK | Panningen | NL | |
| ALIPLAST NV | 9160 | Lokeren | BE | |
| ALIPLAST SP. Z O.O. | 20-276 | Lublin | PL | |
| ALLAERT NV | 8530 | Harelbeke | BE | |
| ALLISOL BVBA | 8770 | Ingelmunster | BE | |
| ALLIVAN NV | 3020 | Herent | BE | |
| ALLMETAL NV | 2830 | Willebroek | BE | |
| ALRACON BVBA | 3640 | Kinrooi | BE | |
| ALRATEC NV | 1760 | Roosdaal | BE | |
| ALSACO BVBA | 9051 | Sint-Denijs-Westrem | BE | |
| ALTER ENERGIES SPRL | 6741 | Vance | BE | |
| ALTIPLAN° ARCHITECTS SRL | 1170 | Watermael-Boitsfort | BE | |
| ALTRAD BALLIAUW MULTISERVICES NV | 9130 | Verrebroek | BE | |
| ALU DB BVBA | 2880 | Bornem | BE | |
| ALU-VAN DE PUTTE BVBA | 9860 | Oosterzele | BE | |
| ALUK BELGIUM NV | 9220 | Hamme (Oost-Vlaanderen) | BE | |
| ALUMATIC SA | 6240 | Farciennes | BE | |
| ALUMIL SA | GR-611 00 | Kilkis | GR | |
| ALUMINIOS CORTIZO S.A.U. | 15910 | Padron (A Coruna) | ES | |
| ALUPLAST GMBH | 76227 | Karlsruhe | DE | |
| ALUPROF SA | 43-300 | Bielsko-Biala | PL | |
| ALURAL LUMMEN NV | 3560 | Lummen | BE | |
| ALUWIN SA | 6041 | Gosselies | BE | |
| ALWITRA GMBH | 54229 | Trier | DE | |
| AMIBLU TECHNOLOGY AS | 3241 | Sandefjord | NO | |
| APOK NV | 1910 | Kampenhout | BE | |
| AQUAENERGIA NV | 3581 | Beverlo | BE | |
| AQUAFLUX SA | 4020 | Liège | BE | |
| AQUATHERM GMBH | 57439 | Attendorn | DE | |
| ARB SPRL | 4041 | Milmort | BE | |
| ARCADIS BELGIUM NV/SA | 1000 | Brussel | BE | |
| ARCELORMITTAL SA | 7769 | Bissen | LU | |
| ARCH TECO ASSET MANAGEMENT NV | 9000 | Gent | BE | |
| ARGEA S.A. | 1180 | Uccle | BE | |
| ARKANA BVBA | 2370 | Arendonk | BE | |
| ARMA SA | 6780 | Messancy | BE | |
| ARTE CONSTRUCTO | 2627 | Schelle | BE | |
| ASCORIUM BELGIUM NV | 9860 | Oosterzele | BE | |
| ATELIERS DE MÉCANIQUE DE BERSILLIES (AMB) | 59131 | Rousies | FR | |
| ATELIERS JOIRET SA | 4520 | Wanze | BE | |
| ATELIERS MARCEL LAMBERT SA | 6220 | Heppignies | BE | |
| ATK VZW | 2820 | Bonheiden | BE | |
| AUPA S.R.L. | 4800 | Verviers | BE | |
| AVISTA ALUMINIUM NV | 9900 | Eeklo | BE | |
| AXIANCE | 27800 | Brionne | FR | |
| AXO - INDUSTRIES | 8930 | Menen | BE | |
| B N KNAUF - ISOLAVA G.C.V. | 8710 | Wielsbeke | BE | |
| B.S.I. SA | 7180 | Seneffe | BE | |
| BAENS AFWERKINGSBEDRIJF NV | 3640 | Kinrooi | BE | |
| BAETEN - VAN ES BVBA | 2840 | Rumst | BE | |
| BAHO BV | 9160 | Lokeren | BE | |
| BAMECO BELGIË | 3620 | Lanaken | BE | |
| BATSLEER RENOVATIE NV | 9880 | Aalter | BE | |
| BAUMIT GMBH | 87541 | Bad Hindelang | DE | |
| BBOUWADVIES | 8660 | De Panne | BE | |
| BCCA VZW | 1000 | Brussel | BE | |
| BD-P | 2990 | Wuustwezel | BE | |
| BE INJECT | 1480 | Saintes | BE | |
| BE-CON BVBA | 2230 | Herselt | BE | |
| BEAVER NV | 1831 | Diegem | BE | |
| BEGETUBE NV | 2630 | Aartselaar | BE | |
| BEKAERT NV | 8550 | Zwevegem | BE | |
| BELGAPLASTICS NV | 9090 | Melle | BE | |
| BELWOOD AMEL SA | 4770 | Amel | BE | |
| BENELMAT SA | 5030 | Gembloux | BE | |
| BENVIC SAS | 21800 | Chevigny-Saint-Sauveur | FR | |
| BEPOPLAST BVBA | 8800 | Roeselare | BE | |
| BERTELOOT NV | 8800 | Roeselare | BE | |
| BÉTON-RÉFECT SA | 4400 | Flémalle | BE | |
| BETONFABRIEK DE BONTE - VAN HECKE | 9250 | Waasmunster | BE | |
| BETOTEC BVBA | 2170 | Merksem (Antwerpen) | BE | |
| BILFINGER INDUSTRIAL SERVICES NV | 2070 | Zwijndrecht | BE | |
| BIMETALS SRL | 4000 | Liège | BE | |
| BISON INTERNATIONAL | 4462 EW | Goes | NL | |
| BLAS-COAT INTERNATIONAL BV | 4794 SL | Heijningen | NL | |
| BMI BELGIUM BV | 9300 | Aalst | BE | |
| BMI NEDERLAND BV | 3417 GP | Montfoort | NL | |
| BMI NORGE AS | 1007 | Oslo | NO | |
| BODIMA NV | 2240 | Zandhoven | BE | |
| BOERNER INSULATION SP. Z O.O. ? POLAND | 59-730 | Nowogrodziec | PL | |
| BOFA NV | 2270 | Herenthout | BE | |
| BORINGEN VANDAELE BVBA | 8020 | Ruddervoorde | BE | |
| BOSS PAINTS NV | 8790 | Waregem | BE | |
| BOULEMBERG SRL | 1420 | Braine L Alleud | BE | |
| BOUWADVIES STORM CV | 9990 | Maldegem | BE | |
| BOUWBEDRIJF MERTENS NV | 3920 | Lommel | BE | |
| BOUWBEDRIJVEN DEWAELE NV | 8540 | Deerlijk | BE | |
| BOUWONDERNEMING WYCKAERT N.V. | 9000 | Gent | BE | |
| BOUWSTUDIES GEURTS BVBA | 3740 | Bilzen | BE | |
| BPC GROUP SA | 1170 | Bruxelles | BE | |
| BRAECKMAN STEEL CONSTRUCTION BSC | 2070 | Zwijndrecht | BE | |
| BRAET M J NV | 8620 | Nieuwpoort | BE | |
| BRB SERVICES SA | 1400 | Nivelles | BE | |
| BRIQUETERIES DE PLOEGSTEERT SA | 7783 | Ploegsteert | BE | |
| BSCOMFORT BV | 3700 | Tongeren | BE | |
| BT NYLOPLAST BV | 3295 KG | s Gravendeel | NL | |
| BT NYLOPLAST GMBH | 86551 | Aichach | DE | |
| BÜCKMANN BENELUX NV | 2860 | Sint-Katelijne-Waver | BE | |
| BUDAPLAST VALLALKOZASI ES KERESKEDELMI KFT | 1134 | Budapest | HU | |
| BUIJSSE INTERNATIONAL | 9160 | Lokeren | BE | |
| BUILD ADVICE | 3950 | Bocholt | BE | |
| BUILDING GROUP JANSEN | 3670 | Meeuwen | BE | |
| BUILDING MANAGEMENT NOTERMANS BV | 3840 | Borgloon | BE | |
| BUILDINSIGHTS BV | 9000 | Gent | BE | |
| BUREAU D ETUDES GREISCH | 4031 | Angleur | BE | |
| BUREAU PARTNERS | 9000 | Gent | BE | |
| BUREAU VOOR EXPERTISE EN ARCHITECTUUR BV | 9031 | Drongen | BE | |
| BURO-8 | 8800 | Roeselaere | BE | |
| C.I.T. BLATON S.A. | 1030 | Bruxelles | BE | |
| C.S.M. NV | 3930 | Hamont-Achel | BE | |
| C3K BOUWCHEMIE BV | 9940 | Evergem | BE | |
| CALCAIRE DE VINALMONT SA | 4140 | Sprimont | BE | |
| CALORIVER SAS | 54204 | Toul | FR | |
| CANAL SRL | 2860 | Sint-Katelijne-Waver | BE | |
| CANEVAS SC | 4031 | Angleur | BE | |
| CANTERAS FERNANDEZ S.L. ELABORACION S. COM | 32300 | El Barco de Valdeorras | ES | |
| CANTILLANA NV | 9051 | Sint-Denijs Westrem Gent | BE | |
| CARLENS HOUTHANDEL NV | 3200 | Aarschot | BE | |
| CARLISLE CONSTRUCTION MATERIALS | 1640 | Sint-Genesius-Rode | BE | |
| CARLISLE CONSTRUCTION MATERIALS BV | 8263 AD | Kampen | NL | |
| CARLISLE CONSTRUCTION MATERIALS GMBH | 21079 | Hamburg | DE | |
| CARLISLE SYNTEC INCORPORATED | PA 17013 | Carlisle | US | |
| CARRIÈRES DE LA PIERRE BLEUE BELGE SA | 7060 | Soignies | BE | |
| CARRIÈRES DE LA PREALLE SA | 4140 | Sprimont | BE | |
| CARRIÈRES DE SPRIMONT ET DE CHANXHE | 4140 | Sprimont | BE | |
| CARRIÈRES DU HAINAUT | 7060 | Soignies | BE | |
| CARRIÈRES UNIES DE PORPHYRE | 7860 | Lessines | BE | |
| CASATHERM FASSADENSYSTEME GMBH | 46049 | Oberhaussn | DE | |
| CASTELEIN SEALANTS NV | 2950 | Kapellen | BE | |
| CASTRELOS ELABORACION SL SCOM | 32300 | O Barco de Valdeorras | ES | |
| CB ENERGY SPRL | 6220 | Fleurus | BE | |
| CDM STRAVITEC | 3090 | Overijse | BE | |
| CEGELEC INFRA TECHNICS SA | 1130 | Bruxelles (Haeren) | BE | |
| CEGELEC S.A. | 1130 | Bruxelles | BE | |
| CENTRE DE RECHERCHES ROUTIÈRES | 1200 | Woluwe-Saint-Lambert | BE | |
| CERTAINTEED SAINT-GOBAIN INSULATION - USA | PA 19355 | Malvern | US | |
| CERTIFICATENHUIS | 9750 | Zingem | BE | |
| CETEC BVBA | 3580 | Beringen | BE | |
| CEZAM SA | 6832 | Sensenruth | BE | |
| CHANNELINE INTERNATIONAL FIBER GLASS MANUFACTURING L.L.C. | . | Abu Dhabi | AE | |
| CHASSIS 2000 SA | 4671 | Barchon | BE | |
| CHASSIS HOME SERVICES SPRL | 7060 | Soignies | BE | |
| CHONGQING ZAISHENG TECHNOLOGY CORP.,LTD. | 401120 | Chongqing | CN | |
| CHRYSO ITALIA S.R.L. | 20097 | San Donato Milano | IT | |
| CLEAN EXPRESS POTY SA | 5300 | Andenne | BE | |
| CO-TERRE SCES | 4040 | Herstal | BE | |
| COENE SRL | 5660 | Mariembourg | BE | |
| COFAPRO BV | 2110 | Wijnegem | BE | |
| COLAS BELGIUM SA | 1120 | Neder-Over-Heembeek | BE | |
| COLLINET ASSAINISSEMENT - COLLINET-WATERZUIVERING | 4040 | Herstal | BE | |
| COLORIFICIO ZETAGI SRL | 36051 | Creazzo (VI) | IT | |
| COMPAGNIE DES CIMENTS BELGES SA | 7530 | Gaurain-Ramecroix | BE | |
| COMPAGNIE LUXEMBOURGEOISE D ENTREPRISES( C.L.E.) | 3364 | Leudelange | LU | |
| COMPTÉ PIERRE, ENTREPRISES GÉNÉRALES | 1780 | Wemmel | BE | |
| COMTIS SERVICES N.V. | 2440 | Geel | BE | |
| COMTIS VENTILATION NV | 2390 | Malle | BE | |
| CONCRETE X | 8906 | Elverdinge | BE | |
| CONEX UNIVERSAL LIMITED | DY6 7FT | West Midlands | GB | |
| CONSTRUCTIEWERKEN LAUWERS BV | 3930 | Hamont-Achel | BE | |
| CONSTRUCTIEWERKHUIZEN JEF LEONARD NV | 2990 | Wuustwezel | BE | |
| CONSTRUCTIV | 1000 | Bruxelles | BE | |
| COP ET PORTIER SA | 4400 | Flémalle | BE | |
| COPERNIT SPA | 46020 | Pegognaga | IT | |
| CORROPAINT | 2040 | Antwerpen | BE | |
| COSEP | 1435 | Mont-Saint-Guibert | BE | |
| COSETECH SRL | 4650 | Herve | BE | |
| COUNTRY CHARM CONSTRUCTIONS | 3110 | Rotselaar | BE | |
| COURRIÈRES SA | 7070 | Le Roeulx | BE | |
| COVER BVBA | 2811 | Leest | BE | |
| CPE NV | 3600 | Genk | BE | |
| CRAS NV | 8790 | Waregem | BE | |
| CREALYST-GROUP / CREALYST-OIL | 78400 | Chatou (Paris) | FR | |
| CREECO BVBA | 3990 | Peer | BE | |
| CRESCON BV | 8740 | Pittem | BE | |
| CREVITS BVBA | 8480 | Ichtegem | BE | |
| CS RAAMCONSTRUCTIES NV | 2360 | Oud-Turnhout | BE | |
| CUFICA SA | 32330 | Sobradelo De Valdeorras-Orense | ES | |
| CUGLA BV | 4824 AJ | Breda | NL | |
| CUPA DE PIZARRAS | 32330 | Sobradelo De Valdeorras-Orense | ES | |
| D.S. PLASTICS NV | 9160 | Lokeren | BE | |
| DANIEL DE VROEY SPRL | 1030 | Bruxelles | BE | |
| DAUVISTER SA | 4041 | Milmort | BE | |
| DAW BELGIUM BV/SRL | 3550 | Heusden-zolder | BE | |
| DCA NV | 2340 | Beerse | BE | |
| DE DIETRICH PROCESS SYSTEMS NV | 3001 | Heverlee | BE | |
| DE GRAEVE ENTREPRISES GENERALES | 5000 | Beez | BE | |
| DE JONGHE B.V. | 9900 | Eeklo | BE | |
| DE KEYSER RIK NV | 2310 | Rijkevorsel | BE | |
| DE MEDTS NV | 2110 | Wijnegem | BE | |
| DE MEDTS-SCHMUTZ NV | 2110 | Wijnegem | BE | |
| DE MEYER | 9140 | Temse | BE | |
| DE WIN J. BVBA | 2550 | Kontich | BE | |
| DE WOONSTUDIE BVBA | 9570 | Lierde | BE | |
| DEBEUCKELAERE GEBR NV | 8610 | Handzame | BE | |
| DEBEUR SA | 1050 | Brussel | BE | |
| DECALU SOLUTIONS SP.Z O.O. | 05-152 | Czosnow | PL | |
| DECEUNINCK GERMANY GMBH | 94327 | Bogen Donau | DE | |
| DECEUNINCK NV | 8830 | Hooglede-Gits | BE | |
| DECORIT NV | 9810 | Nazareth | BE | |
| DECORTE BART BVBA | 8720 | Dentergem | BE | |
| DEL THERMOGRAPHIE | 5310 | Taviers (Nam.) | BE | |
| DELMULLE NV | 9790 | Wortegem Petegem | BE | |
| DEME ENVIRONMENTAL NV | 2070 | Zwijndrecht | BE | |
| DEME ENVIRONMENTAL NV | 2070 | Zwijndrecht | BE | |
| DEME ENVIRONNEMENT SA | 6240 | Farciennes | BE | |
| DEMOCO | 3500 | Hasselt | BE | |
| DEMULA NV | 9270 | Laarne | BE | |
| DENSO GMBH | 51371 | Leverkusen | DE | |
| DENYS NV | 9032 | Wondelgem | BE | |
| DERIPLAST GROUP S.R.L. | 45010 | Villadose | IT | |
| DERIVADOS ASFALTICOS NORMALIZADOS SA (DANOSA) | 19290 | Fontanar (Guadalajara) | ES | |
| DESCHACHT PLASTICS BELGIUM NV | 9041 | Oostakker | BE | |
| DETAELLENAERE LOOSVELT NV | 8793 | Sint-Eloois-Vijve | BE | |
| DEUTSCHE ROCKWOOL GMBH CO. KG | 45966 | Gladbeck | DE | |
| DEVAGRO AANNEMINGEN NV | 8792 | Desselgem | BE | |
| DEVAGRO SANERINGEN NV | 8792 | Desselgem | BE | |
| DHERTE SA | 7880 | Flobecq | BE | |
| DIAMUR NV | 2030 | Antwerpen | BE | |
| DIDAK INJECTION NV | 2280 | Grobbendonk | BE | |
| DIKSMUIDSE HOUTHANDEL - LEIRMAN ZN BVBA | 8600 | Diksmuide | BE | |
| DLDB SA | 5020 | Suarlée | BE | |
| DOTHEE SA | 5330 | Assesse | BE | |
| DOW EUROPE GMBH | 8810 | Horgen | CH | |
| DOW SILICONES BELGIUM SRL | 7180 | Seneffe | BE | |
| DR(EA)²M | 6230 | Pont-à-Celles | BE | |
| DRIJKONINGEN MATHIEU BVBA | 3680 | Maaseik | BE | |
| DS - VERANDABOUW PACHIS JACOBS BVBA | 3530 | Houthalen-Helchteren | BE | |
| DUMOULIN BRICKS BVBA | 8800 | Roeselare | BE | |
| DUPONT DE NEMOURS (LUXEMBOURG) SÀRL | 2984 | Luxembourg | LU | |
| DURIEUX DAK- EN GEVELRENOVATIE | 9000 | Gent | BE | |
| DYKA PLASTICS NV | 3900 | Overpelt | BE | |
| E.C.C. NV | 2610 | Wilrijk (Antwerpen) | BE | |
| ECLAIR M4CP SPRL | 7850 | Enghien | BE | |
| ECO PROTECT BVBA | 3560 | Lummen | BE | |
| ECOCHAUFFAGE SPRL | 7110 | Strépy-Bracquegnies | BE | |
| ECOTEC ENERGY BV | 3630 | Maasmechelen | BE | |
| EECKHOUT BVBA | 8800 | Roeselare | BE | |
| EGEON BVBA | 9090 | Melle | BE | |
| EKIUM BELGIUM SA | 6040 | Jumet | BE | |
| ELTHERM NV | 1910 | Berg (Kampenhout) | BE | |
| EMAC BELGIUM SRL - SECTION BOIS | 6040 | Jumet | BE | |
| EMAC PVC SYSTEM SPRL | 6040 | Jumet (charleroi) | BE | |
| EMARMA ENGINEERING VOF | 3511 | Hasselt | BE | |
| ENBO BVBA | 3600 | Genk | BE | |
| ENERGIE EN MILIEUSTUDIEBUREAU SAMSON BVBA | 9850 | Nevele | BE | |
| ENERGIE RAPPORT COMMV | 3920 | Lommel | BE | |
| ENERGIEL | 1861 | Wolvertem | BE | |
| ENERGIEPRESTATIE BVBA | 8680 | Koekelare | BE | |
| ENERGREEN | 1300 | Wavre | BE | |
| ENERGY SAFETY CONSULT | 3581 | Beverlo | BE | |
| ENERSOL SRL | 4651 | Battice | BE | |
| ENGELS NV | 9160 | Lokeren | BE | |
| ENSINGER GMBH | 71154 | Nufringen | DE | |
| ENTREPRISE JEROUVILLE SA | 6800 | Libramont-Chevigny | BE | |
| ENTREPRISES GENERALES JEAN CONVENTS | 4700 | Eupen | BE | |
| ENTREPRISES GÉNÉRALES LOUIS DUCHÊNE SA | 4577 | Modave | BE | |
| ENTREPRISES LOUIS DE WAELE SA/NV | 1170 | Watermael-Boitsfort | BE | |
| ENTRETIEN INDUSTRIE SERVICE SA | 4480 | Engis | BE | |
| ENVISAN | 9308 | Hofstade (o.-vl.) | BE | |
| EPCENERGIEBUREAU | 3680 | Maaseik | BE | |
| EQUANS SERVICES SA/NV | 1210 | Brussel | BE | |
| ERDEM DIS TICARET | 81510 | Pendik (istanbul) | TR | |
| ERGON | 2500 | Lier | BE | |
| ERIK ISO-INJECT BVBA | 9030 | Mariakerke (Gent) | BE | |
| ERYAP GRUP MINERAL YALITIM MALZEMELERI SAN. VE TIC. A.S. | 54380 | Hendek / Sakarya | TR | |
| ETABLISSEMENTS JEAN WUST S.A. | 4890 | Thimister-Clermont | BE | |
| ETABLISSEMENTS LÉON CROSSET SA | 4841 | Henri-Chapelle | BE | |
| ETEC NV | 2610 | Wilrijk (Antwerpen) | BE | |
| ETERNIT | 1880 | Kapelle-op-den-Bos | BE | |
| ETEX BUILDING PERFORMANCE NV | 2830 | Tisselt | BE | |
| ETS CHIMIQUES CLOQUETTE SPRL | 4020 | Liège | BE | |
| ETS DECAMPS SA | 6200 | Châtelineau | BE | |
| ETS LAMBERT MARQUAGE SRL | 4560 | Terwagne | BE | |
| ETS MAURICE WANTY SA | 7134 | Péronnes-Lez-Binche | BE | |
| EURABO CVBA | 9600 | Ronse | BE | |
| EUROGLAS GMBH | 39340 | Haldensleben | DE | |
| EUROPEAN OWENS CORNING FIBERGLAS SPRL | 1170 | Watermael-Boitsfort | BE | |
| EXA | 33030 | Buja | IT | |
| F R SIMONS NV | 2960 | Brecht | BE | |
| FABRIBOIS | 4950 | Sourbrodt | BE | |
| FAC FEDERATIE ALUMINIUM CONSTRUCTEURS | 9050 | Gent | BE | |
| FAÇABELLE | 2220 | Heist-op-den-Berg | BE | |
| FACTOTUM | 2275 | Lille | BE | |
| FAL - ACHEL NV | 3930 | Hamont-Achel | BE | |
| FATRA AS | 763 61 | Napajedla | CZ | |
| FDT FLACHDACH SYSTEME GMBH | 68199 | Mannheim | DE | |
| FENZI BELGIUM NV | 1800 | Vilvoorde | BE | |
| FEROX STAAL BV | 2910 | Essen | BE | |
| FIBERGLASS COLOMBIA SA | Este-120 | Mosquera - Cundinamarca | CO | |
| FIBRAN SA - GREECE. | 56 410 | Stavroupoli Thessaloniki | GR | |
| FIBRE SYSTEMS INTERNATIONAL NV | 9940 | Evergem | BE | |
| FIEUW KOELTECHNIEK | 8800 | Roeselare | BE | |
| FIM P R NV | 2260 | Oevel-Westerlo | BE | |
| FINISHING BVBA | 2390 | Westmalle | BE | |
| FINN LARSEN TAGMATERIALER A/S | 9560 | Hadsund | DK | |
| FITCO NV | 8400 | Oostende | BE | |
| FIXINOX SA | 6040 | Jumet (Charleroi) | BE | |
| FLOREN CIE NV | 2960 | Saint-Lenaarts | BE | |
| FLUMROC AG - SWITZERLAND | 8890 | Flums | CH | |
| FORTA CORPORATION | 16127-6399 | Grove City | US | |
| FOXBOW SAS | 59250 | Halluin | FR | |
| FRÄNKISCHE ROHRWERKE GMBH | 97486 | Konigsberg/ Bayern | DE | |
| FREE FLIGHT BVBA | 8020 | Hertsberge | BE | |
| FREESTONE NV | 2610 | Wilrijk (Antwerpen) | BE | |
| FREYSSINET BELGIUM | 1800 | Vilvoorde | BE | |
| FUJIAN SUPER TECH ADVANCED MATERIAL CO., LTD. | 366200 | Longyan City, Fujian | CN | |
| FULL SUN SPRL | 4360 | Oreye | BE | |
| FUNDERMAX GMBH - WIENER NEUDORF | 2355 | Wiener Neudorf | AT | |
| FUNKE KUNSTSTOFFE GMBH | 59071 | Hamm-Uentrop | DE | |
| GALÈRE SRL | 4053 | Chaudfontaine | BE | |
| GAMMA PLAN SA | 4030 | Grivegnée (Liège) | BE | |
| GARGIULO GMBH | 72131 | Ofterdingen | DE | |
| GCP APPLIED TECHNOLOGIES LTD | SL1 4EQ | Slough (Berkshire) | GB | |
| GCP PRODUITS DE CONSTRUCTION | 39140 | Larnaud | FR | |
| GEALAN FENSTER - SYSTEME GMBH | 95145 | Oberkotzau | DE | |
| GEBERIT | 1860 | Meise | BE | |
| GECO NV | 8570 | Anzegem | BE | |
| GEMA BVBA | 3580 | Beringen | BE | |
| GEMOCO NV | 3740 | Bilzen | BE | |
| GEOMANORSA SL. | 24386 | Puente De Domingo Florez -Leon | ES | |
| GEOSONDA ENVIRONMENT N.V. | 9051 | Sint-Denijs-Westrem | BE | |
| GEPEX NV | 3500 | Hasselt | BE | |
| GEPLAST | 49450 | Sèvremoine | FR | |
| GHENT DREDGING NV | 9810 | Eke-Nazareth | BE | |
| GIACOMINI BENELUX SA | 1301 | Bierges | BE | |
| GIJBELS GLASINDUSTRIE NV | 3580 | Beringen | BE | |
| GIJSBRECHTS NV HOUTHANDEL | 2220 | Heist-op-den-Berg | BE | |
| GILO INVEST SRL | 6220 | Heppignies | BE | |
| GIRPI | 76700 | Harfleur | FR | |
| GLAS TRÖSCH AG SILVERSTAR | 4922 | Bützberg | CH | |
| GLAS TRÖSCH ALSACE S.A.S. | 68490 | Hombourg | FR | |
| GLAS TRÖSCH GMBH | 54634 | Bitburg | DE | |
| GLAVA AS | 1801 | Askim | NO | |
| GLENDYNE INC. | G0L 1T0 | Québec | CA | |
| GMSI | 5377 | Baillonville | BE | |
| GÓR-STAL SP.ZO.O | 38-300 | Gorlice | PL | |
| GOZEN INTERIEUR | 3560 | Lummen | BE | |
| GREEN ISOLOGIC SPRL | 4801 | Stembert | BE | |
| GREENENERGY4SEASONS SA | 6900 | Marche-en-Famenne | BE | |
| GREISCH - BGROUP | 1160 | Auderghem | BE | |
| GRETERCO SPRL | 5190 | Mornimont | BE | |
| GROEP INFRABO NV | 2260 | Westerlo | BE | |
| GROND RECYCLAGE CENTRUM NV | 2070 | Zwijndrecht | BE | |
| GROUP PROTECT BVBA | 8550 | Zwevegem | BE | |
| GROUP SUERICKX NV | 2200 | Herentals | BE | |
| GROUTTECH BV | 8070 AB | Nunspeet | NL | |
| GROUTTECH BVBA | 9300 | Aalst | BE | |
| GRUPO DE CASAYO SA | 32337 | Carballeda de Valdeorras | ES | |
| GT - FOAM BVBA | 2381 | Ravels-Weelde | BE | |
| GUARDIAN EUROPE SÀRL | 8070 | Bertrange | LU | |
| H.B.H. SA | 2557 | Luxembourg | LU | |
| HAAS CO SPRL | 4651 | Battice | BE | |
| HAP WATERPROOF | 7090 | Braine-le-Comte | BE | |
| HAQUENNE S.C.S.I. | 5340 | Faulx-les-Tombes | BE | |
| HARELBEEKSE - HOUTZAGERIJ BV | 8530 | Harelbeke | BE | |
| HBS | 2440 | Geel | BE | |
| HEINEN DOORS BELGIUM S.A. | 4960 | Malmedy | BE | |
| HENCO INDUSTRIES NV | 2200 | Herentals | BE | |
| HER - WIN SA | 5660 | Mariembourg | BE | |
| HEROAL - JOHANN HENKENJOHANN GMBH CO. KG | 33415 | Verl-Sürenheide | DE | |
| HERTECANT HOUT NV | 9200 | Oudegem | BE | |
| HEVADEX GROUP | 9160 | Lokeren | BE | |
| HOLCIM SOLUTIONS AND PRODUCTS EMEA BV | 1930 | Zaventem | BE | |
| HOLCIM SOLUTIONS AND PRODUCTS EMEA BV | 1930 | Zaventem | BE | |
| HORDIJK EPS ISOLATIEPRODUKTEN EN VERPAKKINGEN | 2628 AS | Delft | NL | |
| HOUT REYNDERS NV | 2450 | Meerhout | BE | |
| HOUTHANDEL GUSTAAF DE ROOVER NV | 2830 | Willebroek | BE | |
| HOUTHANDEL LUYTEN DENIS NV | 2200 | Morkhoven | BE | |
| HOUTHANDEL VAN TORNHOUT BVBA | 9850 | Vosselare | BE | |
| HOUTSHOP VAN DER GUCHT NV | 9140 | Temse | BE | |
| HOUYOUX ANDRE SA | 6900 | Marloie | BE | |
| HUECK GMBH CO. KG | 58511 | Lüdenscheid | DE | |
| HYDRO BUILDING SYSTEMS BELGIUM N.V. | 3400 | Landen | BE | |
| HYDRO BUILDING SYSTEMS BELGIUM NV | 3400 | Landen | BE | |
| HYE NV | 2070 | Zwijndrecht | BE | |
| I.B.T. INDUSTRIËLE EN BOUWKUNDIGE TOEPASSINGEN | 9230 | Wetteren | BE | |
| I.M.S. BVBA | 3290 | Diest (Schaffen) | BE | |
| I.P.B. NV | 8790 | Waregem | BE | |
| IBO N.V. | 2801 | Heffen | BE | |
| ICOMET DV | 7600 | Péruwelz | BE | |
| ICOPAL S.R.L. | 4040 | Herstal | BE | |
| ICOPAL SAS - BMI GROUP | 75014 | Paris | FR | |
| IDELCO INSULATION NV | 8710 | Wielsbeke | BE | |
| IKO EUROPE NV | 2020 | Antwerpen | BE | |
| IKO INSULATIONS BV | 4791 PD | Klundert | NL | |
| IKO METALS EUROPE NV | 3700 | Tongeren | BE | |
| IKO NV | 2020 | Antwerpen | BE | |
| IKO NV | 2020 | Antwerpen | BE | |
| IKO-AXTER SAS | 75009 | Paris | FR | |
| IM-COMP D.O.O. | 40000 | Cakovec | HR | |
| IMPER ITALIA SRL | 10079 | Mappano (TO) | IT | |
| IMPERBEL-DERBIGUM NV/SA | 1654 | Huizingen | BE | |
| INCA INGENIEURS CONSEILS ASSOCIES SÀRL | 6947 | Niederanven | LU | |
| INDUSTRIAL CLEANING COMPANY NV - I.C.C. | 9000 | Gent | BE | |
| INERCO BVBA | 9070 | Destelbergen | BE | |
| INFILTRO BVBA | 3210 | Linden | BE | |
| INFRABEL - DIRECTIE BUILD - AFDELING IB-1 | 1060 | Brussel | BE | |
| INGENIEURS- EN EXPERTISEBUREAU NOTERMANS BVBA | 3840 | Borgloon | BE | |
| INGENIEURSBUREAU FRAEYE PARTNERS | 9000 | Gent | BE | |
| INGENIUM NV | 8200 | Brugge | BE | |
| INGRIF SA EPPE SEGRIF SA | 4420 | Montegnée | BE | |
| INTELLISOL NV | 3680 | Maaseik | BE | |
| INTERALU NV | 2610 | Wilrijk (antWerpen) | BE | |
| INTERPANE GLASGESELLSCHAFT MBH | 04874 | Belgern-Schildau | DE | |
| IRIS INDUSTRY SOLUTIONS | 1140 | Bruxelles | BE | |
| IS WERKEN SA | 4400 | Flémalle | BE | |
| ISO - CHEMIE GMBH | 73431 | Aalen | DE | |
| ISOBOUW SYSTEMS BV | 5710 AA | Someren | NL | |
| ISODEC | 8720 | Dentergem | BE | |
| ISOFLOOR BVBA | 1740 | Ternat | BE | |
| ISOFOR SPRL | 6890 | Libin | BE | |
| ISOGLOBE BV | 3590 | Diepenbeek | BE | |
| ISOHEAT D V BVBA | 8760 | Meulebeke | BE | |
| ISOHEMP SA | 5380 | Fernelmont | BE | |
| ISOLA BELGIUM | 3700 | Tongeren | BE | |
| ISOLAIR BVBA | 3510 | Kermt (Hasselt) | BE | |
| ISOLBLOW | 9880 | Aalter | BE | |
| ISOLTEAM | 8610 | Kortemark | BE | |
| ISOMO NV | 8501 | Kortrijk-Heule | BE | |
| ISOPEARLS BVBA | 3530 | Houthalen - Helchteren | BE | |
| ISOPOWER BVBA | 3560 | Lummen | BE | |
| ISOPRO SA | 4400 | Flémalle | BE | |
| ISOPROC | 2811 | Mechelen | BE | |
| ISOTRIM SA | 6220 | Heppignies | BE | |
| ISOVAN BVBA - ESKIMOO | 8970 | Poperinge | BE | |
| ISOWIT BVBA | 3740 | Bilzen | BE | |
| IZOCAM TICARET VE SANAYI A.S. | TR - 34843 | Maltepe - Istanbul | TR | |
| J. VAN WALRAVEN HOLDING | 3641 RK | Mijdrecht | NL | |
| JACKON INSULATION | 2250 | Olen | BE | |
| JAN DE NUL NV | 9308 | Hofstade-Aalst | BE | |
| JARDIN D Ô SPRL | 4845 | Jalhay | BE | |
| JDC AIRPORTS SA | 7021 | Havré | BE | |
| JEAN - YVES TOUSSAINT SPRL | 5310 | Bolinne | BE | |
| JLP DETECTIE | 8740 | Pittem | BE | |
| JOHN SAEY RENOVATIE BVBA | 9090 | Melle | BE | |
| JOMA - POLYTEC GMBH | 72411 | Bodelshausen | DE | |
| JOMI-CONSULTING | 9810 | Eke-Nazareth | BE | |
| JORIS IDE | 8750 | Zwevezele | BE | |
| JP DEVELOPMENT BVBA | 3454 | Geetbets | BE | |
| JUWÖ POROTON - WERKE | 55597 | Wöllstein | DE | |
| KABELWERK EUPEN AG | 4700 | Eupen | BE | |
| KAWNEER NEDERLAND BV | 3840 AJ | Harderwijk | NL | |
| KB+ SA | 4990 | Lierneux | BE | |
| KEDGE SAFETY SYSTEMS BV | 4200 AW | Gorinchem | NL | |
| KEM - PRODUCTS NV | 2220 | Heist-op-den-Berg | BE | |
| KEMPER SYSTEM GMBH | 34246 | Vellmar-Kassel | DE | |
| KERAKOLL SPA HEADQUARTER | 41049 | Sassuolo | IT | |
| KERKSTOEL 2000+ | 2280 | Grobbendonk | BE | |
| KIJK EN BOUW NV | 8930 | Menen | BE | |
| KILKENNY LIMESTONE QUARRIES LTD | Co. | Kilkenny | IE | |
| KINGSPAN INSULATION | 7100 AD | Winterswijk | NL | |
| KINGSPAN MINERAL INSULATION GMBH - GERMANY | 07580 | Ronneburg | DE | |
| KNAUF CEILING SOLUTIONS SAS - FRANCE | 25300 | Pontarlier | FR | |
| KNAUF INSULATION BV | 5126 RL | Gilze | NL | |
| KNAUF INSULATION D.O.O. | 04420 | Skofja Loka | SI | |
| KNAUF INSULATION D.O.O. CROATIA | 42220 | Novi Marof | HR | |
| KNAUF INSULATION D.O.O. SERBIA | 17530 | Surdulica | RS | |
| KNAUF INSULATION GMBH - SIMBACH | 84359 | Simbach am Inn | DE | |
| KNAUF INSULATION INC - USA | IN 46176 | Shelbyville | US | |
| KNAUF INSULATION IZOLASYON SAN. VE TIC | 26250 | Eskisehir | TR | |
| KNAUF INSULATION LTD - UK | WA10 3NS | St. Helens (Merseyside) | GB | |
| KNAUF INSULATION S.R.O. | 968 14 | Nova Bana | SK | |
| KNAUF INSULATION SAS | 65300 | Lannemezan | FR | |
| KNAUF INSULATION SDN. BHD. - MALAYSIA | 81700 | Pasir Gudang, Johor | MY | |
| KNAUF INSULATION SPOL. S.R.O. - CZ | 417 42 | Krupka | CZ | |
| KNAUF INSULATION SPRL | 4600 | Visé | BE | |
| KOECKELBERG SA | 6060 | Gilly (Charleroi) | BE | |
| KOEN RENDERS BVBA | 2390 | Oostmalle | BE | |
| KORACHEM NV | 2160 | Wommelgem | BE | |
| KRYPTON CHEMICAL SL | 43890 | L Hospitalet de l Infant | ES | |
| KURARAY CO. LTD | 702-8601 | Okayama | JP | |
| KUWAIT INSULATING MATERIAL MANUFACTURING CO. | 65451 | Shuaiba | KW | |
| KWPC BV | 9160 | Lokeren | BE | |
| L ANTICORROSION SA | 4020 | Liège | BE | |
| L.A. RAMEN LANSSENS NV | 8720 | Dentergem | BE | |
| LABIS INGELEC | 7700 | Mouscron | BE | |
| LAMBRECHTS HOUT NV | 2030 | Antwerpen 3 | BE | |
| LARDINOIS SRL | 5060 | Auvelais | BE | |
| LARDOT CONSTRUCT SRL | 5101 | Loyers | BE | |
| LARVANO NV | 9100 | Nieuwkerken-Waas | BE | |
| LE CHÂSSIS ISOLANT SRL | 1300 | Wavre | BE | |
| LEMAHIEU HOUTIMPORT | 8400 | Oostende | BE | |
| LIMEPARTS NV | 3600 | Genk | BE | |
| LINSSEN BEST BV | 5680 AA | Best | NL | |
| LINXION THE ORIGINAL | 69330 | Meyzieu | FR | |
| LISST BVBA | 3040 | Loonbeek | BE | |
| LITHOBETON NV | 8470 | Gistel | BE | |
| LIXON S.A. | 6030 | Marchienne-au-Pont | BE | |
| LJUNGDAHL A/S | 3450 | Allerod | DK | |
| LOCORAIL NV | 1030 | Brussel | BE | |
| LOISEAU SPRL | 4480 | Hermalle-sous-Huy | BE | |
| LÜCKING AUGUST GMBH CO. KG | 34414 | Warburg-Bonenburg | DE | |
| LUCKX N.V. | 1480 | Saintes | BE | |
| LUYANG ENERGY-SAVING MATERIALS CO.,LTD | 256120 | Zibo Shandong | CN | |
| M.R.T. NV | 9800 | Deinze | BE | |
| MACOIL COMPANY NV | 9240 | Zele | BE | |
| MACORS SPRL | 5360 | Hamois | BE | |
| MAEGERMAN BV | 9620 | Zottegem | BE | |
| MAES VLOEI-MIX BVBA | 9120 | Beveren Waas | BE | |
| MAG ISOVER K.K - JAPAN | 102-0083 | Chiyoda-ku | JP | |
| MAHAC SRL | 20089 | Rozzano | IT | |
| MALIF SP. Z O.O. | 87-100 | Torun (Pomorskie) | PL | |
| MANTHYDRO S.A. | 4400 | Flémalle | BE | |
| MAPEI BENELUX SA | 4460 | Grâce-Hollogne | BE | |
| MAPI | 59220 | Rouvignies | FR | |
| MARBRES ET PIERRES D YVOIR SPRL | 5530 | Yvoir | BE | |
| MARIMAN DAK WAND BVBA | 9190 | Stekene | BE | |
| MARTENS HOUTHANDEL NV | 2900 | Schoten | BE | |
| MARTENS KUNSTSTOFFEN | 4900 AA | Oosterhout | NL | |
| MARTONI SPA | 33078 | San Vito al Tagliamento | IT | |
| MASTER BUILDERS SOLUTIONS DEUTSCHLAND GMBH | 83308 | Trostberg | DE | |
| MASTER BUILDERS SOLUTIONS NEDERLAND B.V. | 4903 RJ | Oosterhout | NL | |
| MASTER PLASTICS LIMITED TRADING AS PLUSNET/GEOTEX | 1767 | Greenhills | ZA | |
| MAWIPEX | 2900 | Schoten | BE | |
| MBG NV | 2610 | Wilrijk (Antwerpen) | BE | |
| MBK TECH BV | 9150 | Kruibeke | BE | |
| MC-BAUCHEMIE MÜLLER GMBH CO. KG | 46238 | Bottrop | DE | |
| MDS BOUWWERKEN BVBA | 9240 | Zele | BE | |
| MECACIER BIEBUYCK LESSINES S.A. | 7100 | La Louvière | BE | |
| MEDITERRANEAN FLOAT GLASS | 09300 | L Arbaa Blida | DZ | |
| MENUIFAB SA | 7900 | Leuze-en-Hainaut | BE | |
| MENUISERIE COLLIGNON SRL | 4430 | Ans | BE | |
| MENUISERIE E.M.A.C. | 6040 | Jumet (charleroi) | BE | |
| MENUISERIE J. HORMAN SA | 6640 | Vaux-sur-Sure | BE | |
| MENUISERIE LECROART | 7730 | Saint-Léger | BE | |
| MENUISERIE METALLIQUE CONSTRUCTION SA | 5660 | Mariembourg | BE | |
| MENUISERIE RICHE SA | 5660 | Mariembourg | BE | |
| MENUISUD SPRL | 6720 | Habay | BE | |
| MERCADANTE / ISOMOSI | 3600 | Genk | BE | |
| MERSCH ADOLF CO AG | 4780 | Sankt Vith | BE | |
| MERY BOIS SA | 4130 | Tilff | BE | |
| METAL QUARTZ | 7600 | Péruwelz | BE | |
| METALIX NV | 3560 | Lummen | BE | |
| METALPRODUCTS BV | 5961 PX | Horst | NL | |
| METALYS NV | 9800 | Deinze | BE | |
| MEULDERS BV | 2100 | Deurne (Antwerpen) | BE | |
| MEUSE TRAVAUX SRL | 4520 | Wanze | BE | |
| MOMENTIVE PERFORMANCE MATERIALS GMBH | 51368 | Leverkusen | DE | |
| MONNAIE SA | 7110 | Strépy-Bracquegnies | BE | |
| MORTI NV | 9031 | Drongen | BE | |
| MOURY GILLES SA | 4430 | Ans | BE | |
| MURPROTEC | 1440 | Wauthier-Braine | BE | |
| MUYLE ELECTRO MACHINERY DEVELOPMENT SRL | 6001 | Marcinelle | BE | |
| N. B. KNAUF CO SCOMM/COMMV | 4480 | Engis | BE | |
| NAT-SLATE SL | 24746 | La Bana (Leon) | ES | |
| NATIONALE ISOLATIE DIENST CVBA | 3520 | Zonhoven | BE | |
| NBN ELEC SRL | 4683 | Oupeye | BE | |
| NDA B.V. | 3821 AL | Amersfoort | NL | |
| NDT SAS | 59300 | Valenciennes | FR | |
| NELISSEN STEENFABRIEKEN NV | 3620 | Kesselt-Lanaken | BE | |
| NEOPIXELS INSULATION BV | 6551 AC | Weurt | NL | |
| NESTAAN HOLLAND BV | 4691 RZ | Tholen | NL | |
| NEW RENOVATION MESTDAGH BVBA | 8000 | Brugge | BE | |
| NEWELEC SA | 4041 | Milmort | BE | |
| NEY AND PARTNERS STRUCTURAL ENGINEERING S.A. | 1170 | Bruxelles | BE | |
| NMC SA | 4731 | Eynatten | BE | |
| NORRE - BEHAEGEL BVBA | 8434 | Westende | BE | |
| NOVA NATIE NV | 2030 | Antwerpen 3 | BE | |
| NU-ISOLEREN.BE | 9220 | Hamme | BE | |
| NUPI INDUSTRIE ITALIANE SPA | 21052 | Busto Arsizio (va) | IT | |
| NUTAL ET FILS SPRL | 6940 | Barvaux-sur-Ourthe | BE | |
| O.I.L. BV | 9991 | Adegem | BE | |
| OCO TECHNICAL SA | 4190 | Werbomont | BE | |
| ODE YALITIM SANAYI VE TICARET A.S. - TURKEY | 34384 | Okmeydani - Sisli / Istanbul | TR | |
| ODICE SAS | 59770 | Marly | FR | |
| OKAY LASTECHNIEKEN BVBA | 3600 | Genk | BE | |
| OLIVIER SA | 4560 | Clavier | BE | |
| OMNIPLAST BV | 5466 AE | Veghel | NL | |
| OPSINOX NV | 9810 | Nazareth | BE | |
| ORIGIN ARCHITECTURE ENGINEERING S.C. S.C.R.L. | 1000 | Bruxelles | BE | |
| OWENS CORNING (CHINA) INVESTMENT CO. LTD. | 100025 | Beijing | CN | |
| OWENS CORNING - USA | 43659 | Toledo | US | |
| P.I.C. NV | 9270 | Laarne | BE | |
| PARA INDUSTRIES | 9042 | Sint-Kruis-Winkel | BE | |
| PAROC AB - SWEDEN | 541 86 | Skövde | SE | |
| PAROC OY AB - FINLAND | 00181 | Helsinki | FI | |
| PAROC POLSKA SP. Z.O.O. | 62-240 | Trzemeszno | PL | |
| PAUL BAUDER GMBH CO. KG | 06188 | Queis | DE | |
| PAUL BAUDER GMBH CO. KG | 70499 | Stuttgart | DE | |
| PERUWELD | 7600 | Péruwelz | BE | |
| PESTAN | 1300 | Kaplara-Bukovik | RS | |
| PETER COX NV | 2660 | Hoboken (Antwerpen) | BE | |
| PETER MÜLLER SRL | 4770 | Amel-Möderscheid | BE | |
| PETER VAN EYK GMBH CO | 41379 | Bruggen (Bracht) | DE | |
| PETRALANA S.A. - POLAND | 40-732 | Katowice | PL | |
| PG SERVICES | 4340 | Awans | BE | |
| PGF INSULATION SDN BHD - MALAYSIA | 13600 | Perai, Penang | MY | |
| PIERRET PROJECT | 6890 | Transinne | BE | |
| PIERRET SA | 6890 | Transinne | BE | |
| PILKINGTON GLASS SERVICE | 78520 | Limay | FR | |
| PIPELIFE BELGIUM | 2920 | Kalmthout | BE | |
| PIROBOUW NV | 2900 | Schoten | BE | |
| PIT-EIFFAGE NV | 2950 | Kapellen (Antw.) | BE | |
| PITTSBURGH CORNING EUROPE NV | 3980 | Tessenderlo | BE | |
| PIZARRAS DE QUIROGA | 32300 | O barco (Orense) | ES | |
| PIZARRAS DEL CARMEN SA | 24746 | La Bana (Leon) | ES | |
| PIZARRAS LA BANA SA | 24746 | La Bana (Leon) | ES | |
| PIZARRAS LA LUZ SL | 32330 | Sobradelo De Valdeorras-Orense | ES | |
| PIZARRAS LOS CANTOS S.L. | 06510 | Alburquerque | ES | |
| PIZARRAS MANADA VIEJA, S.A. | 32337 | Casayo | ES | |
| PIZARRAS MATACOUTA SA | 24746 | La Bana (Leon) | ES | |
| PLAN B | 3000 | Leuven | BE | |
| PLASTIVAN NV | 8780 | Oostrozebeke | BE | |
| PLUIMERS ISOLATIE BELGÏE BVBA | 1654 | Huizingen | BE | |
| POLYGLASS SPA | 31047 | Ponte di Piave | IT | |
| POLYPANE GLASINDUSTRIE NV | 9140 | Temse | BE | |
| PREFACO NV | 9280 | Lebbeke | BE | |
| PREFAXIS NV | 7783 | Ploegsteert | BE | |
| PRESS GLASS SA | 97-500 | Radomsko | PL | |
| PRO - CHAPES SPRL | 4920 | Harzé | BE | |
| PROCURAL SP. Z O.O. | 09-472 | Slupno | PL | |
| PROFESSIONAL PAINT COMPANY | 3980 | Tessenderlo | BE | |
| PROFINE BELUX BVBA | 1731 | Zellik | BE | |
| PROMACO SA | 6780 | Messancy | BE | |
| PROMONTA SA | 2830 | Willebroek | BE | |
| PROTAN AS | 3413 | Lier | NO | |
| PROTEC NV | 3900 | Pelt | BE | |
| PUMP MIXING SERVICE NV | 1651 | Lot | BE | |
| PURMO GROUP BELGIUM NV | 3520 | Zonhoven | BE | |
| QUBIQS BELGIË BV | 9080 | Lochristi | BE | |
| R M VANDEN BOER BV | 3920 | Lommel | BE | |
| R.A.P. INDUSTRIES BVBA | 3460 | Bekkevoort | BE | |
| R.S.B. SA | 6900 | Marche-En-Famenne | BE | |
| RAAMSELECT NV | 2310 | Rijkevorsel | BE | |
| RAAMWINKEL NV | 2880 | Bornem | BE | |
| RAMACO NV | 9900 | Eeklo | BE | |
| RAMEN DEXTERS BVBA | 3850 | Kozen | BE | |
| RAMENBEDRIJF HOESSELS NV | 3770 | Riemst | BE | |
| RAVAGO BUILDING SOLUTIONS BELGIUM | 2370 | Arendonk | BE | |
| RBS RAVAGO INSAAT YALITIM URUNLERI A.S.- TURKEY | 38050 | Kayseri | TR | |
| RC RENO | 5590 | Ciney | BE | |
| RECON BOUW NV | 9991 | Adegem | BE | |
| RECTICEL NV | 8560 | Wevelgem | BE | |
| REDECO SPRL | 7033 | Cuesmes | BE | |
| REDI SPA | 40069 | Zola Predosa | IT | |
| REHAU NV | 3001 | Leuven | BE | |
| REMMERS BV | 2280 | Grobbendonk | BE | |
| REMONDIS DE VOCHT BVBA | 2840 | Rumst | BE | |
| RENOLIT BELGIUM NV | 9700 | Oudenaarde | BE | |
| RENOLIT IBERICA SA | 08470 | Sant-Celoni | ES | |
| RENOTEC NV | 2440 | Geel | BE | |
| RENTABEL NV | 9340 | Oordegem | BE | |
| REPPEL BV | 3300 AC | Dordrecht | NL | |
| REWAH | 2240 | Zandhoven | BE | |
| REYNAERS ALUMINIUM NV | 2570 | Duffel | BE | |
| RF-TECHNOLOGIES NV | 9860 | Oosterzele | BE | |
| RGI | 59860 | Bruay sur l Escaut | FR | |
| RINALDI YVO SA | 4400 | Flémalle | BE | |
| ROCKWOOL A.S. - CZ | 735 31 | Bohumin | CZ | |
| ROCKWOOL ADRIATIC D.O.O. - CROATIA | 52333 | Potpican | HR | |
| ROCKWOOL BV | 6045 JG | Roermond | NL | |
| ROCKWOOL BV - NL | 6045 JG | Roermond | NL | |
| ROCKWOOL DANMARK A/S | 2640 | Hedehusene | DK | |
| ROCKWOOL DANMARK A/S | DK-2640 | Hedehusene | DK | |
| ROCKWOOL FIRESAFE INSULATION (GUANGDONG) CO.,LTD - CHINA | 511675 | Fogang County | CN | |
| ROCKWOOL FRANCE SAS - FRANCE | 75013 | Paris | FR | |
| ROCKWOOL HUNGARY KFT | 08300 | Tapolca | HU | |
| ROCKWOOL LIMITED - UK | CF35 6NY | Mid Glamorgan | GB | |
| ROCKWOOL MALAYSIA SDN BHD - MALAYSIA | 41050 | Klang, Selangor | MY | |
| ROCKWOOL PENINSULAR S.A. - SPAIN | 31380 | Caparroso (Navarra) | ES | |
| ROCKWOOL POLSKA SP. Z.O.O. - PL | 66 131 | Cigacice | PL | |
| ROCKWOOL ROMANIA S.R.L. - ROMANIA | 013681 | Bucuresti | RO | |
| ROOF ISOLATION SPRL | 5030 | Gembloux | BE | |
| ROXUL - ROCKWOOL INSULATION INDIA PVT LTD | 392 130 | Gujarat | IN | |
| RUDY MEYVIS BV | 2960 | Brecht | BE | |
| S.A. LES ENROBÉS DE GERNY | 6900 | Marche en Famenne | BE | |
| SAFE@WORK | 8940 | Wervik | BE | |
| SAGER AG | 05724 | Dürrenäsch | CH | |
| SAINT GOBAIN CONSTRUCTION PRODUCTS SA - SOUTH AFRICA | 1559 | Springs | ZA | |
| SAINT-GOBAIN ARGENTINA S.A., DIV. ISOVER | B1667 JHI | Buenos Aires | AR | |
| SAINT-GOBAIN CONSTRUCTION PRODUCTS NEDERLAND BV | 4878 AH | Etten-Leur | NL | |
| SAINT-GOBAIN CONSTRUCTION PRODUCTS POLSKA | 44100 | Gliwice | PL | |
| SAINT-GOBAIN CONSTRUCTION PRODUCTS ROMANIA SRL | 014459 | Bucharest | RO | |
| SAINT-GOBAIN DENMARK A/S - DK | 6580 | Vamdrup | DK | |
| SAINT-GOBAIN DO BRASIL PRODUTOS INDUSTRIAIS | 04747-000 | Sao Paulo | BR | |
| SAINT-GOBAIN EUROCOUSTIC | 23350 | Genouillac | FR | |
| SAINT-GOBAIN FINLAND OY - FINLAND | 00381 | Helsinki | FI | |
| SAINT-GOBAIN GLASS FRANCE | 92096 | La Défense Cedex | FR | |
| SAINT-GOBAIN INDIA PVT LTD - INSULATION BUSINESS - INDIA | 400059 | Andheri (East), Mumbai | IN | |
| SAINT-GOBAIN ISOVER - FR | 92096 | La Defense cedex | FR | |
| SAINT-GOBAIN ISOVER G+H AG - GERMANY | 67059 | Ludwigshafen | DE | |
| SAINT-GOBAIN ISOVER IBÉRICA, SL. - SPAIN | 28002 | Madrid | ES | |
| SAINT-GOBAIN ISOVER KOREA CO., LTD. - REPUBLIC OF KOREA | - | Dangjin-si | KR | |
| SAINT-GOBAIN ISOVER S.A. - SWITZERLAND | 1522 | Lucens | CH | |
| SAINT-GOBAIN ISOVER UK LIMITED | WA7 3DP | Runcorn - Cheshire | GB | |
| SAINT-GOBAIN ITALIA S.P.A. - IT | 24043 | Vidalengo di Caravaggio (BG) | IT | |
| SAINT-GOBAIN SWEDEN AB - ISOVER | 26782 | Billesholm | SE | |
| SAINT-GOBAIN CONSTRUCTION PRODUCTS CZ A.S | 180 00 | Praha 8 | CZ | |
| SALAMANDER INDUSTRIE - PRODUKTE GMBH | 86842 | Turkheim | DE | |
| SALAMANDER WINDOW DOOR SYSTEMS SA | 87-800 | Wmoclawek | PL | |
| SALVUM ENERGY BVBA | 3600 | Genk | BE | |
| SAMACA DE PIZARRAS SA | 32337 | Carballeda de Valdeorras | ES | |
| SAMYN AND PARTNERS | 1180 | Uccle | BE | |
| SATEBA GROUP | 92040 | Paris La Défense | FR | |
| SBMI S.A. | 7011 | Ghlin | BE | |
| SCHEERDERS VAN KERCHOVE NV (SVK) | 9100 | Sint-Niklaas | BE | |
| SCHELFHOUT SA | 7536 | Vaulx (Tournai) | BE | |
| SCHIFFELEERS GLAS NV | 3570 | Alken | BE | |
| SCHOMBURG GMBH CO. KG | 32760 | Detmold | DE | |
| SCHRIJNWERKERIJ DE ROOVER BV | 3390 | Tielt-Winge | BE | |
| SCHRIJNWERKERIJ DEVREKER BV | 8600 | Vladslo | BE | |
| SCHÜCO BELGIUM NV | 4700 | Eupen | BE | |
| SCHÜCO INTERNATIONAL KG | 33609 | Bielefeld | DE | |
| SCHÜCO POLYMER TECHNOLOGIES | 06667 | Weissenfels | DE | |
| SCHÜTZ GMBH CO. KGAA | 56242 | Selters | DE | |
| SCHWARZWÄLDER EDELPUTZWERK GMBH | 77833 | Otterweier | DE | |
| SEALECO AB | 331 25 | Värnamo | SE | |
| SEALTEC WATERPROOFING BV | 3200 | Aarschot | BE | |
| SEAMAN CORPORATION | 44691 | Wooster | US | |
| SEENERGY | 6536 | Thuillies | BE | |
| SELECT COLOR SA | 4651 | Battice | BE | |
| SEMCOGLAS HOLDING GMBH | 26655 | Westerstede | DE | |
| SERVALUX SA | 9559 | Wiltz | LU | |
| SGIMB SAINT-GOBAIN GLASS SOLUTIONS BELGIUM | 1070 | Bruxelles 7 | BE | |
| SIAM FIBERGLASS CO., LTD. - THAILAND | 18140 | Nong Khae, Saraburi | TH | |
| SIKA BELGIUM NV | 9810 | Nazareth | BE | |
| SIKA FRANCE SAS | 93350 | Le Bourget | FR | |
| SIKA SERVICES A.G. | 8048 | Zurich | CH | |
| SIMONS ROGER BVBA | 2430 | Laakdal | BE | |
| SISECAM FLAT GLASS SOUTH ITALY S.R.L. | 71037 | Manfredonia | IT | |
| SISMO NV | 9270 | Kalken-Laarne | BE | |
| SISTEMAS TECNICOS DEL ACCESORIO Y COMPONENTES SL | 15900 | Padron | ES | |
| SKYWORKERS BV | 2200 | Herentals | BE | |
| SMITS ISOLATIEBEDRIJF BV | 6026 PX | Maarheeze | NL | |
| SO EASY SYSTEM SP. Z OO | 05-152 | Czosnow | PL | |
| SOCATRA | 1030 | Bruxelles | BE | |
| SOCOTEC BELGIUM SRL | 1050 | Bruxelles | BE | |
| SOFIPLAS SA | 5030 | Gembloux | BE | |
| SOFISTES ASBL | 7604 | Callenelle | BE | |
| SOGEMAP | 17700 | Surgères | FR | |
| SOGEPLANT | 6150 | Anderlues | BE | |
| SOIL BUILDING | 9850 | Landegem | BE | |
| SOLID BVBA | 8587 | Spiere | BE | |
| SOLIVER WAREGEM NV | 8790 | Waregem | BE | |
| SOMIVANE SA | 4040 | Herstal | BE | |
| SOPREMA B.V. | 8651AA | Ijlst | NL | |
| SOPREMA N.V. | 2280 | Grobbendonk | BE | |
| SORATECH | 02230 | Fresnoy le Grand | FR | |
| SOUDAL NV | 2300 | Turnhout | BE | |
| SPRANGERS NV | 2340 | Beerse | BE | |
| SPRIMOGLASS SA | 4140 | Sprimont | BE | |
| STAALSTRAAL WEELDE INTERNATIONAL NV | 2381 | Weelde | BE | |
| STABIL BVBA | 9870 | Olsene | BE | |
| STADSBADER NV | 8530 | Harelbeke | BE | |
| STEEL SA | 1348 | Louvain-la-Neuve | BE | |
| STEENBAKKERIJ VANDE MOORTEL | 9700 | Oudenaarde | BE | |
| STEENBAKKERIJEN VAN MEMBRUGGE BVBA | 3770 | Membruggen | BE | |
| STEINULL - ICELAND | IS - 550 | Saudarkroki | IS | |
| STEYLS RAMEN EN DEUREN | 3500 | Hasselt | BE | |
| STO | 1730 | Asse | BE | |
| STOCKMEIER URETHANES FRANCE S.A.S. | 68700 | Cernay | FR | |
| STRABAG BELGIUM NV | 2030 | Antwerpen | BE | |
| STREGO BVBA | 8400 | Oostende | BE | |
| STRUKTON RAIL NV | 9820 | Merelbeke | BE | |
| STRUXURA | 8970 | Poperinge | BE | |
| STUDIEBUREAU ESK | 1560 | Hoeilaart | BE | |
| STUDIEBUREEL HEEDFELD | 3770 | Riemst | BE | |
| STYLBOIS SPRL | 7972 | Beloeil | BE | |
| SUPA-BLOW BVBA | 9080 | Lochristi | BE | |
| SUPERLIT BORU SANAYI A.S. | 34367 | Sisli, Istanbul | TR | |
| SWISSPEARL GROUP AG | 8867 | Niederurnen | CH | |
| SYNAPPAR BV | 2491 | Balen | BE | |
| SYPA | 3960 | Bree | BE | |
| SYSTEMHOUSE SPRL | 7700 | Mouscron | BE | |
| T. DE NEEF ENGINEERING | 2220 | Heist-op-den-Berg | BE | |
| T.V.B.- TECHNIQUES ET VALORISATION DU BOIS | 6600 | Bastogne | BE | |
| TANDEM WOOD PRODUCTS NV | 1730 | Mollem | BE | |
| TECE GMBH | 48282 | Emsdetten | DE | |
| TECHN. ET PROTECTION DES BOIS SA | 4020 | Liège 2 | BE | |
| TECHNO RUBBER COMPANY LIMITED | 31526 | Damman | SA | |
| TECHNOFORM BAUTEC KUNSTSTOFFPRODUKTE GMBH | 34134 | Kassel Niederzwehren | DE | |
| TECHNOGAZ | 4960 | Malmedy | BE | |
| TECHNORÉSINE SPRL | 4300 | Waremme | BE | |
| TECNOFLEX SPRL | 1120 | Bruxelles 12 | BE | |
| TEKINJECT BV | 2320 | Hoogstraten | BE | |
| TERMO ORGANIKA SP. Z O.O. | PL 30-117 | Kraków | PL | |
| TERMOKOMFORT EUROPE BV | 1362 AG | Almere | NL | |
| THANS RAF BVBA | 3960 | Bree | BE | |
| THE WORLD COMPANY FOR DRAWING WIRES | Kaliobia | EG | ||
| THERMOWOOL D.O.O. SID - SERBIA | 22240 | Sid | RS | |
| THIELEMANS CO NV | 1785 | Brussegem | BE | |
| THIERS-HORIZON NV | 2900 | Schoten | BE | |
| THIRION ENGINEERING BVBA | 2500 | Lier | BE | |
| THOMAS CONSTRUCTION BV | 1020 | Brussel | BE | |
| THOMAS INDUSTRIE MVH | 9000 | Gent | BE | |
| TIBERGYN NV | 8560 | Gullegem | BE | |
| TIMBER WORKS | 2223 | Schriek | BE | |
| TIVOLUX PRO SPRL | 7130 | Bray | BE | |
| TOPS-SCHAUT BVBA | 2200 | Herentals | BE | |
| TOTALENERGIES | 6030 | Marchienne-au-Pont | BE | |
| TRACHET SA | 1400 | Nivelles | BE | |
| TRAFIROAD NV | 9160 | Lokeren | BE | |
| TRAVAUX ET RÉNOVATIONS | 4040 | Herstal | BE | |
| TRBA SA | 7700 | Mouscron | BE | |
| TREMCO CPG BELGIUM NV | 4241 WC | Arkel | NL | |
| TREMCO CPG BELGIUM NV | 8700 | Tielt | BE | |
| TRESPA INTERNATIONAL BV | 6000 AC | Weert | NL | |
| TRICEL | Co.Kerry | Killarney, V93 X253 | IE | |
| TRIS BVBA | 2280 | Grobbendonk | BE | |
| TUC RAIL | 1060 | Bruxelles | BE | |
| TVH CONSULT BV | 9800 | Deinze | BE | |
| TWINCON LTD | S14DP | Sheffield | GB | |
| U.P. TWIGA FIBERGLASS LIMITED - INDIA | 421 506 | Thane | IN | |
| UAB PAROC - LITHUANIA | 03153 | Vilnius | LT | |
| UMAN ARCHITECT SA | 4460 | Grâce-Hollogne | BE | |
| UNILIN BV | 8792 | Desselgem | BE | |
| UNIPEARLS BV | 5768 SB | Meijel | NL | |
| UPONOR GMBH | 97437 | Hassfurt | DE | |
| URSA BENELUX BVBA | 8792 | Desselgem | BE | |
| URSA DEUTSCHLAND GMBH - DE | 04509 | Delitzsch | DE | |
| URSA FRANCE S.A.S. - FRANCE | 93160 | Noisy-Le-Grand | FR | |
| URSA FRANCE SAS | 93160 | Noisy-Le-Grand | FR | |
| URSA IBERICA AISLANTES- ES EL PLA DE STA. MARIA | 28004 | Madrid | ES | |
| URSA POLSKA SP. Z.O.O. - PL | 42 520 | Dabrowa Gornicza | PL | |
| URSA SLOVENIJA D.O.O. - SLOVENIJA | 08000 | Novo Mesto | SI | |
| V-SYSTEMS | 9850 | Nevele | BE | |
| V.G. ALUMINIUM BVBA | 2360 | Oud-Turnhout | BE | |
| VALENS | 1060 | Bruxelles | BE | |
| VALLI ZABBAN SPA | 50041 | Calenzano (FI) | IT | |
| VALSIR SPA | 25078 | Vestone | IT | |
| VAN BEERS HOOGELOON NV | 5528 NL | Hoogeloon | NL | |
| VAN BEVEREN ALUMINIUM NV | 7830 | Hoves (Ht.) | BE | |
| VAN DEN BERG HOUTHANDEL EN INTERIEUR | 2910 | Essen | BE | |
| VAN DURME, JONAS | 9940 | Sleidinge | BE | |
| VAN HOOREBEKE PANELS NV | 9042 | Desteldonk | BE | |
| VAN HUELE GEBROEDERS | 8400 | Oostende | BE | |
| VAN LEMBERGEN INFRA BVBA | 1745 | Opwijk | BE | |
| VAN MARCKE NV | 8511 | Aalbeke | BE | |
| VAN ROEY SERVICES NV | 2310 | Rijkevorsel | BE | |
| VAN STEENBERGE HOUT NV | 9620 | Zottegem | BE | |
| VAN TORNHAUT BVBA | 9880 | Aalter | BE | |
| VANBILLEMONT BV | 8620 | Nieuwpoort | BE | |
| VANDAELE CONSTRUCT BVBA | 8210 | Zedelgem | BE | |
| VANDERSANDEN GROUP NV | 3740 | Bilzen | BE | |
| VANDEZANDE (VAMECO) BVBA | 8600 | Diksmuide | BE | |
| VANHAVERBEKE NV | 2480 | Dessel | BE | |
| VANHOUT | 2440 | Geel | BE | |
| VC WOOD WAASLAND | 9100 | Sint-Niklaas | BE | |
| VC WOOD ZOTTEGEM | 9620 | Zottegem | BE | |
| VEKA AG | 48324 | Sendenhorst | DE | |
| VELUX AS | 6000 | Kolding | DK | |
| VEPABO BVBA | 9190 | Stekene | BE | |
| VERALU NV | 2580 | Putte | BE | |
| VERANCO NV | 9100 | Sint-Niklaas | BE | |
| VERDONCKT NV | 8580 | Avelgem | BE | |
| VERHOEVE GROEP BELGIUM BVBA | 2030 | Antwerpen 3 | BE | |
| VERHOEVEN RENÉ NV | 1910 | Kampenhout | BE | |
| VERNAFIX BVBA | 8610 | Kortemark | BE | |
| VERSCHUEREN ISOLATIEWERKEN-KLIMA+ GROEP BVBA | 9810 | Nazareth | BE | |
| VESTOLIT GMBH C KG | 8660 | De Panne | BE | |
| VEWACO NV | 8470 | Gistel | BE | |
| VG INVEST | 2930 | Brasschaat | BE | |
| VICTOR BUYCK STEEL CONSTRUCTION | 9900 | Eeklo | BE | |
| VIEGA GMBH CO. KG | 57439 | Attendorn | DE | |
| VIEWWORKS NV | 2550 | Kontich | BE | |
| VINCK MARCEL BVBA | 9100 | Sint-Niklaas | BE | |
| VINÇOTTE | 1800 | Vilvoorde | BE | |
| VITRAGES ISOLANTS DU NORD | 62880 | Vendin le Vieil | FR | |
| VLAAMSE OVERHEID - AGENTSCHAP FACILITAIR BEDRIJF | 1000 | Brussel | BE | |
| VM BUILDING SOLUTIONS | 9800 | Deinze | BE | |
| VMA BE.MAINTENANCE | 1070 | Anderlecht | BE | |
| VMA NV | 9830 | Sint-Martens-Latem | BE | |
| VOGEL BELGIUM N.V. | 2030 | Antwerpen 3 | BE | |
| VRANKEN HANS | 1653 | Dworp | BE | |
| WACKER CHEMIE GMBH | 81737 | Munchen | DE | |
| WAKO SA | 8506 | Redange-sur-Attert | LU | |
| WALL FACADE SOLUTIONS SRL | 4770 | Schoppen-Amel | BE | |
| WAROQUET-LENGRAND SPRL | 1420 | Braine L Alleud | BE | |
| WAVIN BELGIUM NV | 9100 | Sint-Niklaas | BE | |
| WDPE | 3740 | Bilzen | BE | |
| WE LOVE BUILDINGS | 8300 | Knokke-Heist | BE | |
| WEGROSAN/HMVT BVBA | 2960 | Brecht | BE | |
| WELDING MAINTENANCE SAS | 59300 | Valenciennes | FR | |
| WELSH SLATE LTD | LL57 4YG | Gwynedd | GB | |
| WERBROUCK ALU-PVC BV | 8870 | Izegem | BE | |
| WIENERBERGER NV | 8500 | Kortrijk | BE | |
| WILLCO PRODUCTS | 9320 | Nieuwerkerken (Aalst) | BE | |
| WILLEMEN INFRA NV | 9031 | Drongen | BE | |
| WINDOWMAKERS NV | 2300 | Turnhout | BE | |
| WINSOL ACTUELL NV | 8870 | Izegem | BE | |
| WUST LUX S.À R.L. | 8399 | Windhof | LU | |
| XERVON | 2030 | Antwerpen | BE | |
| XHONNEUX FRÈRES SPRL | 4840 | Welkenraedt | BE | |
| ZOONTJENS BELGIË NV | 3980 | Tessenderlo | BE | |