| Ara-build Construction & Maintenance | Ras Zuwayed | | $0 |
| A-ram Plumbing, Inc. | San Antonio | TX | $0 |
| Arc Construction Co. Inc. | Evansville | IN | Subcontractor |
| Arc Contractors Corporation | Humacao | PR | $0 |
| Archangel Engineering & Construction Inc. | Cocoa | FL | Subcontractor |
| Architectural Glass And Metal Co. Inc. | Indianapolis | IN | Subcontractor |
| Archstone Group, Inc. | Ogden | UT | Subcontractor |
| Archuleta Construction, LLC | Maxwell | NM | $0 |
| Ard Energy Services Inc. | Carmel | IN | Subcontractor |
| Arellanos Electrical Services LLC | Premont | TX | $0 |
| Argus Building Company | Biloxi | MS | Subcontractor |
| Arita-poulson General Contracting LLC | Puunene | HI | $0 |
| Arkel Constructors, LLC | Baton Rouge | LA | $0 |
| Armand Corporation | New York | NY | $0 |
| Armco Construction LLC | Port Orchard | WA | Subcontractor |
| Arntz Builders, Inc. | Petaluma | CA | $0 |
| Arnzen Building Construction, Inc. | Cottonwood | ID | $0 |
| Arora Engineers, LLC | Chadds Ford | PA | Subcontractor |
| Art Constructors LLC | Tamuning | GU | Subcontractor |
| Arteaga Construction, Inc. | Milwaukee | WI | $0 |
| Arviso Construction Company Inc. | Iyanbito | NM | $0 |
| Arviso-okland Construction Joint Venture | Tempe | AZ | $0 |
| Ascend Construction Management Inc. | Eatontown | NJ | $0 |
| Asi General Contractors Inc. | West Sacramento | CA | Subcontractor |
| Asil Services Inc. | Surfside Beach | SC | $0 |
| Assa Construction Services LLC | Laurel | MD | $0 |
| Assad Balad Company | Baghdad | | $0 |
| Associated Building & Development Corp. | Pocola | OK | $0 |
| Associated Contracting Services, Inc. | Portsmouth | VA | $0 |
| Astrea Group General Trading & Contracting Company | Hawalli | | Subcontractor |
| At3 Inc. | Honolulu | HI | $0 |
| Atlam LLC | Gainesville | VA | $0 |
| Atlantic Coast Sales & Service, Inc. | Jacksonville | FL | Subcontractor |
| Atlantic Icon, Corp. | Gulf Breeze | FL | $0 |
| Auburn Construction Co. Inc. | Avon | MA | Subcontractor |
| Avanguard General Contracting LLC | Tucson | AZ | Subcontractor |
| Axc Innovations Inc. | Lompoc | CA | Subcontractor |
| Axis Design Consultants Ltd. | Dhaka | | $0 |
| Azteca Contractors, Inc. | Woodbridge | VA | Subcontractor |
| Azteca Designs Inc. | Somerset | TX | $0 |
| Azteca Enterprises, LLC | Dallas | TX | $0 |
| Aztec Construction Co. Inc. | Cheyenne | WY | Subcontractor |
| Aztec Consultants | San Ramon | CA | $0 |
| Babby Building Specialties, Inc. | Tucson | AZ | $0 |
| B.a.c Consulting LLC | Little Elm | TX | Subcontractor |
| Bacon Construction Co. Inc. | Rumford | RI | $0 |
| Baetz Enterprises, Inc. | Kearney | NE | $0 |
| Baker Construction & Development, Inc. | Spokane | WA | $0 |
| Bakr Group LLC | Sarasota | FL | $0 |
| Bancroft Construction Co. | Wilmington | DE | Subcontractor |
| Banes General Contractors Inc. | El Paso | TX | $0 |
| Banton Construction Company | North Haven | CT | Subcontractor |
| Barclay Construction, LLC | Versailles | KY | Subcontractor |
| Barger Construction Co. | Yuma | TN | $0 |
| Barnes & Brower Inc. | Memphis | TN | $0 |
| Barnsley Construction LLC | Albuquerque | NM | $0 |
| Baseline Constructors, Inc. | Chelsea | MI | $0 |
| Basic Idiq Inc. | San Antonio | TX | $0 |
| Bateman-hall, Inc. | Idaho Falls | ID | $0 |
| Batson-cook Co. | West Point | GA | $0 |
| Bay Area Builders Inc. | Santa Clara | CA | Subcontractor |
| Bayside Interiors, Inc. | Fremont | CA | Subcontractor |
| Bb Construction Management, Inc. | Roseville | CA | Subcontractor |
| BBCS, Inc. | Pocomoke City | MD | Subcontractor |
| Bbl-carlton, L.L.C | Albany | NY | $0 |
| BCM Construction Company Inc. | Chico | CA | $0 |
| BCS LLC | Brundidge | AL | $0 |
| B.d. Welch Construction, L.L.C. | Gadsden | AL | Subcontractor |
| Beacon Industries, Inc. | Saint Louis | MO | $0 |
| Bear Construction Company | Rolling Meadows | IL | $0 |
| Beck Real Estate Properties LLC | Helena | MT | $0 |
| Beisel Construction, Inc. | Lackawaxen | PA | Subcontractor |
| Bella Construction Of Key West, Inc. | Key West | FL | Subcontractor |
| Bell Construction Co. Inc. | North Little Rock | AR | $0 |
| Belle General Contracting Inc. | Chesapeake | VA | Subcontractor |
| Bellows Construction Specialties LLC | Syracuse | NY | $0 |
| Bell & Sons, Inc. | Hyattsville | MD | $0 |
| Benchmark Building & Construction, LLC | Cleburne | TX | Subcontractor |
| Benham Constructors, LLC | Oklahoma City | OK | $0 |
| Ben Hur Construction Company | Saint Louis | MO | Subcontractor |
| Benjamin H Seigler | Sevierville | TN | $0 |
| Ben M Radcliff Contractor Inc. | Mobile | AL | Subcontractor |
| Berard Construction LLC | Columbus | GA | Subcontractor |
| Bergstrom Construction, Inc. | Des Moines | IA | $0 |
| Bernco Inc. | Saint Clair Shores | MI | $0 |
| Beshears Construction Inc. | Fort Smith | AR | $0 |
| B.f. Builders, Inc. | Bonners Ferry | ID | Subcontractor |
| Bgi-gcon JV, LLC | Mesa | AZ | Subcontractor |
| B G T Trading And Contracting | Doha | | Subcontractor |
| B & H Construction, Inc. | Henderson | NV | $0 |
| BHH A JV | Englewood | CO | Subcontractor |
| Bideganeta Construction, Incorporated | Mountain Home | ID | $0 |
| Biologics Modular, LLC | Brownsburg | IN | $0 |
| Bismark Construction Company, Incorporated | Milford | CT | Subcontractor |
| B. J. Gunter Company, Inc. | Smyrna | GA | $0 |
| Black Bull Construction Group LLC | Hondo | TX | Subcontractor |
| Blackhawk Construction Services, L.L.C | Atlanta | GA | Subcontractor |
| Black Oak Construction LLC | Stilwell | KS | $0 |
| Black Rock Construction (inc.) | Kennesaw | GA | Subcontractor |
| Black Wolf Construction LLC | Washburn | WI | $0 |
