| Name | Country | Market Cap (US$) |
|---|
| BTP Distribution | France | Private |
| Bubendorff S.A. | France | Private |
| Buchanan Hardwoods, Inc. | United States | Private |
| Buckeye Ready-Mix, Llc | United States | Private |
| Budapesti TÜZeP Vallalat | Hungary | Private |
| Buderus Austria Heiztechnik Gesellschaft m.b.H. | Austria | Private |
| BUDERUS CHAUFFAGE | France | Private |
| BUDERUS ITALIA SRL | Italy | Private |
| BUDERUS TECHNIKA GRZEWCZA SP Z O O | Poland | Private |
| BUDINDUSTRY BAKHCHISARAY INTERGRATED PLANT CLOSED JOINT STOCK CO | Ukraine | Private |
| Budokrusz SP Z O O | Poland | Private |
| Bufab Sweden AB | Sweden | Private |
| Buffalo Crushed Stone Inc | United States | Private |
| Buffalo Crushed Stone Inc. | United States | Private |
| Buffelen Woodworking Company | United States | Private |
| Bug-Alu Technic GmbH | Austria | Private |
| BUILDCON CONCRETE SDN BHD | Malaysia | Private |
| Builder Marts of America Inc. | United States | Private |
| Builders Concrete & Supply Co Inc | United States | Private |
| Builders FirstSource-Southeast Group, Inc. | United States | Private |
| Builders Square Inc. | United States | Private |
| Building Automation Products, Inc. | United States | Private |
| BUILDING INTERNATIONAL FRANCE | France | Private |
| Building Materials Corporation of America | United States | Private |
| BUJVAR CONSTRUCCIONES S.A. | Spain | Private |
| Bull Moose Tube Company | United States | Private |
| Bun Kee (International) Limited | Hong Kong | Private |
| Bunnings Building Supplies Ltd. | Australia | Private |
| BURGE & GUNSON LTD | United Kingdom | Private |
| Burger Iron Company | United States | Private |
| Burgman Heybroek NV | Netherlands | Private |
| Burke Engineering Co | United States | Private |
| Burlingame Industries, Incorporated | United States | Private |
| BURN STANDARD COMPANY LIMITED | India | Private |
| BURNCO Rock Products Ltd | Canada | Private |
| Burndene Investments plc | United Kingdom | Private |
| BurnsCascade | United States | Private |
| Bürstner GmbH | Germany | Private |
| Burton GmbH + Co. KG | Germany | Private |
| Burton Lumber & Hardware Company | United States | Private |
| Burwood Products Company | United States | Private |
| Bush Supply Company | United States | Private |
| Buss AG | Switzerland | Private |
| Butler (Tianjin) Inc. | China | Private |
| Butler International Company | Saudi Arabia | Private |
| Butler Manufacturing Company | United States | Private |
| Butzbach GmbH Industrietore | Germany | Private |
| BWG Betonwerk Georgsmarienhütte GmbH & Co. KG | Germany | Private |
| bwh Hochbau AG | Germany | Private |
| Byrne Brothers (Formwork) Limited | United Kingdom | Private |
| C & M BRICK PTY LTD | Australia | Private |
| C A P Aluminium Systems Ltd | United Kingdom | Private |
| C C Distributors, Inc | United States | Private |
| C D S Technologies Inc | United States | Private |
| C Lundqvist Trading AB | Sweden | Private |
| C X T Incorporated | United States | Private |
| C&L Supply Company | United States | Private |
| C-S FRANCE | France | Private |
| C. & G. CONCRETE LTD | United Kingdom | Private |
| C. B. Management Company Inc. | United States | Private |
| C. C. Dickson Co. | United States | Private |
| C. F. Schleifmittelwerke GmbH | Germany | Private |
| C. Hallströms Verkstäder AB | Sweden | Private |
| C. R. Laurence Company, Inc. | United States | Private |
| C.C. Jensen A/S | Denmark | Private |
| C.E.M.E.S. SPA | Italy | Private |
| C.H.I Doors Holdings, Inc | United States | Private |
| C.H.I Overhead Doors, Inc. | United States | Private |
| C.I.M.A. COSTRUZIONI ITALIANE MACCHINE ATTREZZI SPA | Italy | Private |
| C.M.A. SRL | Italy | Private |
| C.M.F. LTD | United Kingdom | Private |
| C.M.P. - Cimentos Maceira E Pataias, S.A. | Portugal | Private |
| CA' D'ORO SPA | Italy | Private |
| Cabocem S A | Cape Verde | Private |
| CABROL CONSTRUCTION METALLIQUE | France | Private |
| Cadman Inc | United States | Private |
| Cadolto Flohr & Soehne GmbH & Co. | Germany | Private |
| CAESAR STONE SDOT YAM LTD. | Israel | Private |
| CAIRNSMILL LTD | United Kingdom | Private |
| Cairo Sand Bricks Co. | Egypt | Private |
| CAL.ME. CALCE MERIDIONALE SPA | Italy | Private |
| Calcashieu Lumber Company | United States | Private |
| CALCE DOLOMIA SPA | Italy | Private |
| CALCE S. PELLEGRINO SPA | Italy | Private |
| Calcemento S.p.A. | Italy | Private |
| CALCESTRUZZI CORRADINI SPA | Italy | Private |
| CALCESTRUZZI FRATELLI DONA' SNC | Italy | Private |
| CALCESTRUZZI MOSOLE SRL | Italy | Private |
| Calcestruzzi Spa | Italy | Private |
| CALCESTRUZZI VAL D'ENZA SRL | Italy | Private |
| CALCESTRUZZI ZILLO SPA | Italy | Private |
| CALCIT D.D. | Slovenia | Private |
| CALDERYS ITALIA SRL | Italy | Private |
| Calderys Nordic AB | Sweden | Private |
| CALDERYS UK LTD | United Kingdom | Private |
| Caledonian Building Systems Ltd | United Kingdom | Private |
| CALES DE LA PLANA SA | Spain | Private |
| California Cedar Products Company | United States | Private |
| California Closet Company | United States | Private |
| California Hardware Company Inc. | United States | Private |
|
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