| Barr Excavating | Pollock Pines | CA | $0 |
| Barth Electric Co. Inc. | Indianapolis | IN | Subcontractor |
| Bates Brothers LLC | Collingdale | PA | Subcontractor |
| Bathroom Enhancements Inc. | Valparaiso | IN | $0 |
| Baumgartner, Inc. | Hunt Valley | MD | $0 |
| Bay Engineering Solutions LLC | Southport | FL | $0 |
| Bayou Fencing & Supply, Inc. | Abbeville | LA | $0 |
| B & B Hughes Construction, Inc. | Suisun City | CA | Subcontractor |
| B & C Fencing L.L.C. | Randolph | UT | $0 |
| BCL Enterprises, Inc. | Rio Rancho | NM | $0 |
| B.C.R., Inc. | Roswell | NM | $0 |
| Beijing International Club Corporation Limited | Beijing | | $0 |
| Bek Of Alaska, Inc. | Anchorage | AK | Subcontractor |
| Berghorst & Son Inc. | Hull | IA | $0 |
| Best Crane & Rigging, Inc. | Conway | AR | $0 |
| Beynon Sports Surfaces, Inc. | Hunt Valley | MD | Subcontractor |
| Bice-taylor Drilling Co. Inc. | Rapid City | SD | $0 |
| Biff Baker Fence Co. Inc. | Tucson | AZ | $0 |
| Big Bear Commercial Blasting LLC | Yuma | AZ | Subcontractor |
| Big Stuff Inc. | District Heights | MD | $0 |
| Big Wakoo Fence, Inc. | Arroyo Grande | CA | $0 |
| Bill Logan Painting Contractor | Beverly | WV | $0 |
| Bill's Fence Co. Inc. | Cabot | AR | Subcontractor |
| Bills Mobile Crane Service Inc. | Fayetteville | NC | $0 |
| Bio-logical LLC | Volcano | HI | $0 |
| Biomed Enterprises, Ltd. | Chicago | IL | $0 |
| Biopioneer | San Diego | CA | $0 |
| Birdair Inc. | Williamsville | NY | Subcontractor |
| Birdwell Heating & Cooling | Red Boiling Springs | TN | $0 |
| Blalock Paving, Incorporated | Raleigh | NC | $0 |
| Blankenship Associates, Inc. | Raleigh | NC | Subcontractor |
| Blue Environmental Containment, Inc. | Portland | OR | Subcontractor |
| Bluegrass Bit Co. Inc. | Greenville | AL | Subcontractor |
| Bluegrass Concrete Cutting Inc. | Greenville | AL | Subcontractor |
| Boise Crane Equipment & Trucking Inc. | Boise | ID | $0 |
| Bolle Scott | Lakeside | CA | $0 |
| Bonded Lightning Protection Systems, Inc. | Jupiter | FL | Subcontractor |
| Bonneville Asphalt & Repair L.c | Orem | UT | $0 |
| Bootheel Fence Co. Inc. | Jackson | MO | $0 |
| Borsheim Crane Service, LLC | Williston | ND | Subcontractor |
| Bradley James Samaniego | Santa Maria | CA | Subcontractor |
| Brady Fence Co. Inc. | Cold Brook | NY | $0 |
| Bragg Investment Co. Inc. | Santa Maria | CA | Subcontractor |
| Brandsafway Industries LLC | Atlanta | GA | Subcontractor |
| Brodeur-campbell Fence Co. Inc. | Springfield | MA | $0 |
| Bronze Et Al Ltd. | Mount Holly | NC | $0 |
| Brothers Concrete Cutting, Inc. | Albany | OR | Subcontractor |
| Brown Brothers Paving, LLC | Greeneville | TN | $0 |
| Brunswick Insulation Inc. | Wilmington | NC | $0 |
| Bryant Contractors, Inc. | Anchorage | AK | $0 |
| Bullard Fence, Inc. | Jacksonville | FL | Subcontractor |
| Bulldogger Services, Inc. | Parkman | WY | $0 |
| Bullzeye Equipment And Supply LLC | Moncks Corner | SC | $0 |
| Cajun Co. | Lafayette | LA | Subcontractor |
| Calco Fence, Inc. | Livermore | CA | Subcontractor |
| Caldwell Specialties Inc. | Lakeside | CA | Subcontractor |
| Caliber Concrete Construction Inc. | Pacific | WA | Subcontractor |
| California Access Scaffold, LLC | City Of Industry | CA | Subcontractor |
| Cali-usa Acoustics Inc. | Newbury Park | CA | Subcontractor |
| Cambodian American Heritage Inc. | Fort Washington | MD | $0 |
| Candela Systems Corporation | Hawthorne | NY | Subcontractor |
| Cannon Sales, Inc. | Centerville | UT | $0 |
| Capitol City Fence Co. Inc. | Indianapolis | IN | Subcontractor |
| Cardinal Industrial Insulation Company, Inc. | Louisville | KY | $0 |
| Cardinal/international Grooving & Grinding LLC | Conshohocken | PA | Subcontractor |
| Carne, Danielle | Madison | WI | $0 |
| Cascade Fountains Inc. | Queenstown | MD | $0 |
| Cascade Sawing & Drilling, Inc. | Auburn | WA | Subcontractor |
| Cascade Target Group LLC | Seattle | WA | Subcontractor |
| C & C Pro Paint | Knob Noster | MO | Subcontractor |
| CCSG Inc. | Jacksonville | FL | Subcontractor |
| Cemrock Landscapes, Inc. | Tucson | AZ | Subcontractor |
| Central Coast Fence, Inc. | Grover Beach | CA | Subcontractor |
| Central Fence Co. Inc. | Swainsboro | GA | Subcontractor |
| Central Fire Protection Co. Inc. | Springfield | OH | Subcontractor |
| Central Paving Company Of Paducah | Paducah | KY | Subcontractor |
| Century Elevators, Inc. | Webster | TX | Subcontractor |
| Century Fence CompanyForest Lake, MN · UEI LKSLQP24AJ15 | Forest Lake | MN | $0 |
| Century Fence CompanyPewaukee, WI · UEI RJMPULPMKAR3 | Pewaukee | WI | $0 |
| C. E. Pickup Co. Inc. | Santa Ana | CA | Subcontractor |
| Ceres Caribe Inc. | San Juan | PR | $0 |
| Certified Pipe Fabricators, Inc. | Las Vegas | NV | $0 |
| Chain Link Fence & Supply, Inc. | Livermore | CA | Subcontractor |
| Champion Crane Rental, Inc. | Pacoima | CA | $0 |
| Champion Fence And Construction Services, Inc. | Arvada | CO | Subcontractor |
| Charles Burkell | Gettysburg | PA | $0 |
| Charles H. Macdonald Electric, Inc. | Paoli | PA | Subcontractor |
| Chemoglo, LLC | Chapel Hill | NC | $0 |
| Chem-spray South, Inc. | Gonzales | LA | $0 |
| Chesapeake Containment Systems Inc. | Statesville | NC | Subcontractor |
| Chesapeake Testing And Balancing Engineers, Inc. | Easton | MD | Subcontractor |
| Chizums Fencing LLC | Lawton | OK | Subcontractor |
| Choice Concrete Construction, Inc. | Beltsville | MD | Subcontractor |
| Cintec--america, Inc. | Middle River | MD | $0 |
| Cisco Geotechnical LLC | Glastonbury | CT | Subcontractor |
| Citiworks Corp. | Attleboro | MA | Subcontractor |
| City Grease Trap Service LLC | Oklahoma City | OK | Subcontractor |
| City Of Kake | Kake | AK | $0 |
| City Of Moline | Moline | IL | $0 |
| City Service Contracting, Inc. | Placentia | CA | $0 |
