| Name | Country | Market Cap (US$) |
|---|
| BIS CLEANAWAY LIMITED | Australia | Private |
| Bischoff GmbH & Co. KG | Germany | Private |
| Bison Homes Construction, Llc. | United States | Private |
| BISOU CO.,LTD. | Japan | Private |
| Bisseuil S.N.C. | France | Private |
| BIT Bauunternehmen für Brücken und Ingenieurtiefbau GmbH | Germany | Private |
| Bitburger Holding GmbH | Germany | Private |
| Bituminous Paving, Inc. | United States | Private |
| BIURO HANDLOWE RUDA TRADING INTERNATIONAL JACEK RUDA | Poland | Private |
| BIV Bau- und Industriegeräte Vertriebs-GmbH | Germany | Private |
| Biwater Man Lee Limited | Hong Kong | Private |
| Bizzack Construction, Llc | United States | Private |
| BIZZENERGY GROUP LTD | United Kingdom | Private |
| BJ OILWELL SERVICES (M) SDN BHD | Malaysia | Private |
| Bj Process & Pipeline Services Co | United States | Private |
| BJ SERVICES COMPANY (SINGAPORE) PTE LTD | Singapore | Private |
| BJ SERVICES COMPANY (UK) LTD | United Kingdom | Private |
| BJ SERVICES COMPANY AFRICA LTD | United Kingdom | Private |
| BJ SERVICES COMPANY MIDDLE EAST LTD | United Kingdom | Private |
| Bjerk Builders, Inc | United States | Private |
| Björge Norcoat AS | Norway | Private |
| BK Bouw B.V. | Netherlands | Private |
| Black & McDonald Group Limited | Canada | Private |
| Black & McDonald ltd. | Canada | Private |
| Black & Veatch Construction, Inc | United States | Private |
| Black Box Network Services | United States | Private |
| BLACK CAT CONSTRUCTION W.L.L. | Qatar | Private |
| BLACK HORSE CONTRACTORS LTD | United Kingdom | Private |
| BLACK STONE ENGINEERING & CONSTRUCTION CO., LTD. | Taiwan | Private |
| Blackacre Capital Management LLC | United States | Private |
| Blackhawk Concrete Company, Inc | United States | Private |
| Blackhawk Management Corp | United States | Private |
| Blackmon Mooring Steamatic Catastrophe, Inc | United States | Private |
| BLACKROCK MEDICAL PARTNERS LTD | Republic of Ireland | Private |
| Blaine Construction Company | United States | Private |
| Blair Construction Inc | United States | Private |
| Blake Construction Company | United States | Private |
| BLAKEDOWN SPORT & PLAY LTD | United Kingdom | Private |
| Blakeslee Arpaia Chapman, Inc | United States | Private |
| Blanchard Machinery Company | United States | Private |
| Blanchard Valley Health Association | United States | Private |
| Blandfort Tief- und Straßenbau GmbH & Co. KG | Germany | Private |
| Blansjaar 's-Gravenhage B.V. | Netherlands | Private |
| Blanski Energy Management, Inc. | United States | Private |
| Blaser Finanzholding GmbH | Germany | Private |
| Blauwhoed B.V. | Netherlands | Private |
| Blauwhoed Eurowoningen B.V. | Netherlands | Private |
| Blauwhoed Holding B.V. | Netherlands | Private |
| Blaze Contracting Inc | United States | Private |
| Bleigh Construction Co Inc | United States | Private |
| BLENHEIM HOUSE CONSTRUCTION LTD | United Kingdom | Private |
| BLICK GROUP MANAGEMENT SERVICES LTD | United Kingdom | Private |
| Blitman Building Corporation | United States | Private |
| Block Electric Co, Inc | United States | Private |
| Blois Construction, Inc | United States | Private |
| Blood Centers Of America, Inc | United States | Private |
| Blossom Cherry Ranch Llc | United States | Private |
| Blount Construction Company Inc | United States | Private |
| Blue Dot Services of Florida | United States | Private |
| Blue Line Drywall & Builder Inc | United States | Private |
| Blue Ridge Medical Management Corporation | United States | Private |
| Blue Rock Industries | United States | Private |
| Blue Water Health Services Corporation | United States | Private |
| Bluestone Plc | United Kingdom | Private |
| BLUEWATER (U K) LTD | United Kingdom | Private |
| Blumenthal Power Company, Inc | United States | Private |
| Blythe Construction Co. Inc. | United States | Private |
| Blythe Denham Company Inc | United States | Private |
| Blythe Development Co | United States | Private |
| Bm Bygg og Renovering Da | Norway | Private |
| BM3 OBRAS Y SERVICIOS SOCIEDAD ANONIMA. | Spain | Private |
| BMC Construction | United States | Private |
| BMGS AS | Latvia | Private |
| BMS Briloner Maschinen- und Stahlbau GmbH | Germany | Private |
| BMS Industrie- und Verwaltungsbau GmbH | Germany | Private |
| Bmtech SA | Belgium | Private |
| BMTI - Baumaschinentechnik International GmbH | Germany | Private |
| BMW Constructors Inc. | United States | Private |
| BMW Financial Services | United States | Private |
| Bn Builders Inc | United States | Private |
| BNM Baugesellschaft Neue Messe GmbH | Germany | Private |
| BNR Distribution & Transmission Ltd | Canada | Private |
| Bns Telecom Ltd | United Kingdom | Private |
| Bob Adams Homes, Inc. | United States | Private |
| Bob Dale Oilfield Construction Ltd | Canada | Private |
| Bob Frink Management, Inc | United States | Private |
| Bob Moore Construction Inc | United States | Private |
| Bob Weik | United States | Private |
| Bobby T Inc | United States | Private |
| Bobcat Enterprises Inc | United States | Private |
| Bobcat of Boston Inc | United States | Private |
| Bobcat of Connecticut Inc | United States | Private |
| BOCCEA IMPRESE RIUNITE S.R.L. | Italy | Private |
| Bochumer Eisenhütte Heintzmann GmbH & Co.KG | Germany | Private |
| Bockstael Construction (1979) Limited | Canada | Private |
| Bodarwé SA | Belgium | Private |
| Boddie-Noell Enterprises, Inc. | United States | Private |
| Bodell Construction Company Inc | United States | Private |
| BODILL & SONS CONTRACTORS LTD | United Kingdom | Private |
| Bodio Properties Srl | Italy | Private |
|
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