| Cci Inc. | Picayune | MS | Subcontractor |
| Cd Steger Construction, Inc. | Brentwood | TN | $0 |
| Cedar Beetle, LLC | Hondo | TX | Subcontractor |
| Cement Cutting, Inc. | San Diego | CA | Subcontractor |
| Centerline Concrete Cutting Co. Inc. | Tehachapi | CA | Subcontractor |
| C.e. Williams Sons Inc. | Gettysburg | PA | Subcontractor |
| Cfi Contracting, Inc. | Johnstown | NY | $0 |
| CGC Geoservices LLC | Newark | DE | Subcontractor |
| Chad & Brandi Inc. | Wichita Falls | TX | Subcontractor |
| Chaney Trucking, Inc. | Lake Charles | LA | $0 |
| Charles D Griffin II | Ridgecrest | CA | Subcontractor |
| Charles J Reader | Nome | AK | $0 |
| Chavers Construction Inc. | Cantonment | FL | Subcontractor |
| Cherenzia Excavation Inc. | Pawcatuck | CT | Subcontractor |
| Cherry Moving Company, Inc. | Houston | TX | $0 |
| Cinmar Properties Investments LLC | Niles | MI | $0 |
| Civil Constructors, LLC | Franklin | TN | Subcontractor |
| C & J Excavating Inc. | Sequim | WA | Subcontractor |
| Cj Miller LLC | Hampstead | MD | Subcontractor |
| Clearwater Inc. | New Hampton | MO | $0 |
| Clemons Field Services, Inc. | Starke | FL | $0 |
| Close Construction Inc. | Kapolei | HI | Subcontractor |
| CMS Operations Sp. Z O.o. | Poznan | | Subcontractor |
| CMZ Of Hawaii, Inc. | Kapolei | HI | Subcontractor |
| Coastal Development & Construction LLC | Pascagoula | MS | $0 |
| Coastline Clearing & Development, LLC | Eastpoint | FL | $0 |
| Coastline Solutions Incorporated | Saint Petersburg | FL | $0 |
| Cobalt Civil, LLC | Winchester | IN | Subcontractor |
| Columbus Daylighting LLC | Mt Sterling | OH | Subcontractor |
| Colvin Grading & Soils, LLC | Stockton | MO | $0 |
| Command Co. Inc. | Egg Harbor City | NJ | $0 |
| Complete Demolition Services, LLC | Carrollton | GA | $0 |
| Connelly And Associates, Inc. | Frederick | MD | Subcontractor |
| Connolly Construction, Inc. | Peosta | IA | $0 |
| Con-site Services, Inc. | Birmingham | AL | $0 |
| Controlled Demolition Inc. | Phoenix | MD | Subcontractor |
| Copperfield Construction LLC | Madison | MS | $0 |
| Coronado Wrecking & Salvage Co. Inc. | Albuquerque | NM | Subcontractor |
| Costello Dismantling Co. Inc. | West Wareham | MA | Subcontractor |
| Cr Construction, LLC | North Bend | WA | Subcontractor |
| Cristo Demolition Inc. | Albany | NY | Subcontractor |
| Crosstown Construction & Trucking, LLC | Las Cruces | NM | $0 |
| Cruz Construction Company, Inc. | Mound House | NV | Subcontractor |
| C. T. Purcell Excavating, Inc. | Montpelier | VA | $0 |
| Custom Excavating By Dean Larson Inc. | Warrenton | OR | $0 |
| Custom Grading Inc. | Albuquerque | NM | $0 |
| Cv Building Systems, LLC | Columbia FLS | MT | $0 |
| D2 LLC | Rockville | MD | Subcontractor |
| D 3 Construction Services, Inc. | Bonsall | CA | Subcontractor |
| Daher Contracting Inc. | Fort Walton Beach | FL | Subcontractor |
| Daniel Development, Inc. | Herndon | VA | $0 |
| Danny Milo Corp. | Vista | CA | Subcontractor |
| Danny Ryan Precision Contracting Inc. | Anaheim | CA | Subcontractor |
| David Bulger, Inc. | Montgomery | AL | Subcontractor |
| David H Martin Excavating Inc. | Chambersburg | PA | Subcontractor |
| Daybreak Construction | La Center | WA | $0 |
| Dd Haught Inc. | Payson | AZ | $0 |
| Delaware Cornerstone Builders, Inc. | Hyattsville | MD | $0 |
| Demolition Contractors, Inc. | Grand Rapids | MI | $0 |
| Demolition & Environmental Companies, LLC | North Charleston | SC | Subcontractor |
| Demolition Specialties, LP | Irving | TX | Subcontractor |
| Deprizio Paving And Construction Company, Inc. | North Andover | MA | $0 |
| Desert Engineering, Inc. | Yerington | NV | Subcontractor |
| Designed Groundwater Services LLC | Tacoma | WA | Subcontractor |
| Detlefsen Construction, LLC | Laurel | NE | $0 |
| Diane's Tank Removal Services, LLC | Edmonds | WA | Subcontractor |
| Dickens Quality Demolition, L.L.C. | Phoenix | AZ | Subcontractor |
| Dickerson Construction, LLC | Chesterfield | VA | Subcontractor |
| Dickson Company | Tacoma | WA | Subcontractor |
| Dirt Plus Inc. | Upper Marlboro | MD | Subcontractor |
| D. J. Blake's Construction Inc. | Mount Vernon | WA | $0 |
| D & J Sand And Gravel, Inc. | Goldsboro | NC | $0 |
| D & L Excavating Inc. | Liberty | IL | $0 |
| Double K Excavation, L.L.C | Las Cruces | NM | $0 |
| Double S Dirt Works, Inc. | Liberal | MO | Subcontractor |
| Doyle Hancock & Sons Construction, Inc. | Doerun | GA | $0 |
| D R Phillips LLC | Robbinsville | NC | $0 |
| Dt Specialized Services, Inc. | Catoosa | OK | Subcontractor |
| Dunneisen Excavating LLC | Waterloo | WI | $0 |
| Dxi Construction, Inc. | Churchville | MD | Subcontractor |
| Earth In Motion, Inc. | Liberty Hill | TX | $0 |
| Earthwerks Land Improvement & Development Corp. | Lisle | IL | $0 |
| Earthwork Industries, Inc. | Plainville | MA | Subcontractor |
| East Coast Excavating Inc. | Groveland | MA | $0 |
| Eastern Excavating Co. Inc. | Savannah | GA | Subcontractor |
| Ecotech Hydro Excavation, LLC | Quarryville | PA | Subcontractor |
| Edwards Logan & Edwards Ashley | Whitethorn | CA | $0 |
| Ed Wean Drilling And Blasting, LLC | Stewartsville | NJ | $0 |
| Eiberger Construction, Inc. | Platte City | MO | Subcontractor |
| Elco Drilling Co. Inc. | Englewood | CO | Subcontractor |
| Empire Enterprises JKB, Inc. | Newark | NY | $0 |
| Empire Salvage & Recycling Inc. | Princeton | WV | $0 |
| Envirocore, Inc. | Plain City | OH | Subcontractor |
| Enviro-drill, Inc. | Tempe | AZ | Subcontractor |
| Environmental Cleansing Corporation | Markham | IL | $0 |
| Environmental Kleanup Services, Inc. | Riverside | CA | Subcontractor |
| Enviro-tech Systems, Inc. | Okeechobee | FL | Subcontractor |
| Envision Contractors LLC | Owensboro | KY | $0 |
| Erosion Control Experts | Moreno Valley | CA | Subcontractor |
| Erosion Control Services LLC | Virginia Beach | VA | Subcontractor |