| Blake LLC | Fairbanks | AK | $0 |
| Blane Casey Building Contractor Inc. | Augusta | ME | $0 |
| Blazy Construction, Inc. | Soldotna | AK | $0 |
| B.L.B. Contracting LLC | Douglassville | PA | $0 |
| Bleigh Construction Company | Palmyra | MO | $0 |
| Blizzard Construction Co. Inc. | Beulaville | NC | $0 |
| Bluesteel Industries LLC | Bronx | NY | $0 |
| B & M Cillessen Construction Co. Inc. | Farmington | NM | $0 |
| B M F Solutions LLP | Cypress | TX | $0 |
| B&M Partition, Inc. | Bellmawr | NJ | Subcontractor |
| Bnbuilders, Inc. | Seattle | WA | $0 |
| Boasso Construction, L.L.C | Meraux | LA | Subcontractor |
| Boblits Enterprises LLC | Hughesville | MD | $0 |
| Boller Construction Co. Inc. | Waukegan | IL | Subcontractor |
| Bombeton D.o.o. | Cetinje | | $0 |
| Bond Building Construction, Inc. | Medford | MA | Subcontractor |
| Boodai Trading Company Ltd. | Industrial Shuwaikh | | Subcontractor |
| Borrowed Time Enterprises Inc. | Washington | DC | $0 |
| Bosco Construction Services Inc. | San Jose | CA | $0 |
| Bosco Constructors Inc. | Denver | CO | $0 |
| Bougambilias Construction, LLC | Brownsville | TX | Subcontractor |
| Bouley Associates, Inc. | Auburn | NY | $0 |
| Bouten Construction Co. | Spokane | WA | Subcontractor |
| Bouza Construction Inc. | Wagner | SD | $0 |
| Bradbury Stamm Construction Inc. | Albuquerque | NM | $0 |
| Brad Slater Construction LLC | Leoma | TN | $0 |
| Brahma Construction Corp. | Wayne | NJ | Subcontractor |
| Branco Enterprises, Inc. | Neosho | MO | $0 |
| Bratton Bros Contracting Inc. | Shawnee | KS | $0 |
| Braun Construction Group Inc. | Farmington Hills | MI | $0 |
| Brawner Builders, Inc. | Hunt Valley | MD | $0 |
| Brazos Builders, Inc. | Colorado Springs | CO | Subcontractor |
| B.r. Building Resources Co. | Glendora | CA | Subcontractor |
| Brco Constructors Inc. | Rocklin | CA | $0 |
| Bread Loaf Corporation | Middlebury | VT | $0 |
| Brechbill And Helman Construction Co. Inc. | Chambersburg | PA | $0 |
| Breiholz Construction Company | Des Moines | IA | $0 |
| Bremik Construction Inc. | Portland | OR | $0 |
| Brexton Construction LLC | Columbus | OH | $0 |
| Brice Services LLC | Fairbanks | AK | Subcontractor |
| Brickley Construction Inc. | Portage | PA | Subcontractor |
| Bridgeway Contracting LLC | Lowell | OR | $0 |
| Brill Construction LLC | Gloucester | VA | $0 |
| Bristol Custom Construction, LLC | Ponte Vedra Beach | FL | $0 |
| Brix Corp. | Livonia | MI | $0 |
| Broadview Construction Corporation | Gilford | NH | $0 |
| Brockmiller Construction, Incorporated | Farmington | MO | $0 |
| Brookstone Builders, Inc. | Manchester | NH | Subcontractor |
| Brooner & Associates Construction, Inc. | Saint Joseph | MO | $0 |
| Broward Builders, Inc. | Woodland | CA | $0 |
| Brown Builders Inc. | Bossier City | LA | $0 |
| BRPH Construction Services Inc. | Melbourne | FL | Subcontractor |
| Bruns-gutzwiller, Inc. | Batesville | IN | $0 |
| BTW Enterprises Inc. | Tuckerton | NJ | $0 |
| Bud Mahas Construction Inc. | Salt Lake City | UT | $0 |
| Build All Contracting Corp. | Tannersville | PA | Subcontractor |
| Builders Incorporated | Malvern | PA | Subcontractor |
| Builders United LLC | Las Vegas | NV | Subcontractor |
| Building Excellence LLC | Tucson | AZ | Subcontractor |
| Bulley & Andrews L.L.C | Chicago | IL | $0 |
| Burd Investments Amarillo LLC | Amarillo | TX | Subcontractor |
| Burke Construction Group Inc. | Las Vegas | NV | $0 |
| Burke Diversified | Chowchilla | CA | Subcontractor |
| Burling Builders, Inc. | Chicago | IL | $0 |
| Burney & Burney Construction Company, Inc. | Greenville | NC | $0 |
| Bush Building And Construction, Inc. | Columbus | GA | $0 |
| Bush Construction Company, Inc. | Davenport | IA | $0 |
| Butler Developments, L.L.C. | Show Low | AZ | $0 |
| BWC Enterprises, Inc. | Phoenix | AZ | $0 |
| Bz Construction Services, Inc. | Wilmington | DE | $0 |
| Caddell & Co. LLC | Norman | OK | $0 |
| Caddo Nation Of Oklahoma | Binger | OK | $0 |
| Caddo Wolverine JV | Wasilla | AK | $0 |
| Caffey Inc. | Diberville | MS | Subcontractor |
| Cala Construction, LLC | Rockville | MD | Subcontractor |
| Cal-city Construction, Inc. | Cerritos | CA | $0 |
| Calculated Investments & Consulting Company, LLC | Plymouth | MI | $0 |
| California Commercial Pools, Inc. | Glendora | CA | Subcontractor |
| California Custom Docks Corporation | West Sacramento | CA | $0 |
| California Gold Development Corporation | Sonora | CA | $0 |
| Callas Contractors, LLC | Hagerstown | MD | Subcontractor |
| Callis Contractors Inc. | Durham | NC | $0 |
| Calyer Construction Co. Inc. | Nassau | NY | $0 |
| Camco Construction Inc. | Spokane | WA | $0 |
| Campbell Gibbons & Associates Inc. | Lanham | MD | Subcontractor |
| Canopus Traces Athar Asuhail For General Trading And Contracting | Baghdad | | $0 |
| Canton Construction Corp. | Tamuning | GU | Subcontractor |
| C.a.p. Contracting, Inc. | Jacksonville | FL | $0 |
| Capital Builders And Associates Inc. | Washington | DC | Subcontractor |
| Capital City Construction, Inc. | Bismarck | ND | $0 |
| Caprock Building Systems, LLC | Amarillo | TX | Subcontractor |
| Carbra Construction And Design, Inc. | Columbia | SC | $0 |
| Carl A. Nelson & Company | Burlington | IA | Subcontractor |
| Carl Belt Inc. | Cumberland | MD | Subcontractor |
| Car-mac Enterprises LLC | Abingdon | VA | Subcontractor |
| Carolina Hubzone Inc. | North Charleston | SC | Subcontractor |
| Carolina Specialties Construction LLC | Hendersonville | NC | $0 |
| Carr Enterprises, Ltd. | Danvers | MA | Subcontractor |
| Carson & Associates Inc. | Little Rock | AR | $0 |
| Carson Construction, Inc. | Pensacola | FL | $0 |