| Capital Tractor Inc. | Greenwich | NY | Subcontractor |
| Cardinal Integrated Systems, LLC | Louisville | KY | Subcontractor |
| Cascade Thermal Solutions, LLC | El Cajon | CA | $0 |
| C. D. A. Enterprises, Inc. | Eugene | OR | $0 |
| Central California Power | Shafter | CA | Subcontractor |
| Central Texas Generator Service Inc. | Liberty Hill | TX | $0 |
| Centranz, Inc. | Buckner | MO | $0 |
| Chet's Electric, LLC | Redmond | OR | $0 |
| Chipman Services, Inc. | Jacksonville | FL | Subcontractor |
| Choice Marketing & Sales, Inc. | Pasadena | MD | $0 |
| Clark Electric Sales & Service Co. | Louisville | KY | Subcontractor |
| Clarklift Of Des Moines Inc. | Omaha | NE | $0 |
| Clarks Station, Inc. | Orchard | NE | $0 |
| Clean Republic Sodo LLC | Seattle | WA | Subcontractor |
| Clifford Power Systems, Inc. | Oklahoma City | OK | Subcontractor |
| Clin-epr LLC | Lyme | NH | $0 |
| Coastal Equipment And Hydraulics, Inc. | Cantonment | FL | $0 |
| Cole Technology Inc. | Atlanta | GA | $0 |
| Combs-rosa Management, Inc. | Suffolk | VA | $0 |
| Commercial Kitchen Service Co. | Bay City | MI | $0 |
| Commercial Parts & Service Of Cincinnati, Ohio, Inc. | Blue Ash | OH | $0 |
| Commercial Power Solutions, L.L.C. | Owasso | OK | $0 |
| Complete Hydraulic Works, Inc. | Midland Park | NJ | $0 |
| Cones Repair Service Inc. | Moline | IL | $0 |
| Construction Municipal Industrial Equipment Sales Inc. | Goodlettsville | TN | $0 |
| Conveyor Aggregate Products Corp. | Dallas | TX | $0 |
| Cooper Electric Motor Service, Inc. | Richland | MS | $0 |
| Crane Solutions, LLC | Lawton | OK | $0 |
| C.R.S. Commercial Refrigeration Specialists,inc. | North Billerica | MA | $0 |
| Cs Controls, LLC | Rockville | MD | Subcontractor |
| Cs Unitec, Inc. | Norwalk | CT | $0 |
| CWH Enterprise Inc. | Simi Valley | CA | $0 |
| Davis Lift Truck Service, Inc. | Fayetteville | NC | $0 |
| DCM Tech, Inc. | Winona | MN | $0 |
| Deep South Heavy Equipment Parts, LLC | Petal | MS | $0 |
| Del Mar Electronics, LLC | Port Neches | TX | Subcontractor |
| Delta Air Compressor Inc. | Freeport | NY | $0 |
| Delta Tech Service, Inc. | Benicia | CA | $0 |
| Denise Establishment For Laboratory Equipment Trading | Amman | | Subcontractor |
| Desser Tire & Rubber Co. LLC | Montebello | CA | Subcontractor |
| Dewinne Equipment Company, Inc. | San Antonio | TX | $0 |
| Diamond Liners, Inc. | Santa Fe Springs | CA | $0 |
| Diamond Water Systems Inc. | Chicopee | MA | $0 |
| Diesel Fuel Maintenance Inc. | La Porte | TX | $0 |
| Diversified Equipment Company | Lorton | VA | $0 |
| Diversified Sales Company | Woodbridge | CT | $0 |
| Dl Electronics Inc. | Philadelphia | PA | $0 |
| D & L Precision Rebuilding, Inc. | Redwood City | CA | $0 |
| DMH Industrial Electric, Inc. | Everett | WA | $0 |
| Don Parker Sales Inc. | Pittsburgh | PA | $0 |
| D.w. Armstrong Enterprises, Inc. | Fort Walton Beach | FL | $0 |
| Dyno One Inc. | Edinburgh | IN | Subcontractor |
| Eaheart Industrial Service Inc. | Chesapeake | VA | Subcontractor |
| East Bay Mechanical Services Inc. | Jacksonville | FL | Subcontractor |
| Easton Machinery Inc. | Easton | PA | Subcontractor |
| Ed B. Tokarz | Sandy | UT | $0 |
| Elcan Industries Inc. | Tuckahoe | NY | Subcontractor |
| Electrical Testing And Maintenance Corp. Inc. | Memphis | TN | Subcontractor |
| Electric Motor Services, Inc. | San Diego | CA | $0 |
| Electric Motor & Supply Inc. | Altoona | PA | $0 |
| Electric Motor Technologies LLC | Cincinnati | OH | $0 |
| Electronic Balancing Company, Incorporated | Wilmington | CA | $0 |
| Electronic Service Products Corp. | Wallingford | CT | $0 |
| Elkco Corporation | Westborough | MA | Subcontractor |
| El Tawfik For Contracting & Engineering Services | Cairo | | $0 |
| Ely Enterprises Inc. | Lorain | OH | $0 |
| Emaar Iraq Alghad | Baghdad | | $0 |
| Ems Industrial, Inc. | Madison | WI | $0 |
| Enecon Tennessee, LLC | Franklin | TN | $0 |
| Energized Substation Maintenance Inc. | Apple Valley | CA | $0 |
| Energy Management Electric Corp. | Pomona | CA | $0 |
| Engel Machinery Inc. | York | PA | Subcontractor |
| Equiptech LLC | Green Brook | NJ | $0 |
| Equip Tech Service Center LLC | El Paso | TX | $0 |
| 'e T' Balancing, Inc. | Los Angeles | CA | $0 |
| E. Thomas Brett Business Machines, Inc. | Horsham | PA | $0 |
| Extreme Precision Industrial Contractors, LLC | Gillette | WY | Subcontractor |
| Fab Tech Wastewater Solutions LLC | Weldon Spring | MO | $0 |
| Fedegari Technologies Inc. | Sellersville | PA | $0 |
| Firebell Sas Di Acampora Pasquale & C. | Napoli | NAM | $0 |
| First Electric Motor Service, Inc. | Woburn | MA | Subcontractor |
| Flucon Inc. | Goyangsi-si | GYEONGGI-DO | Subcontractor |
| Foley Supply LLC | Wichita | KS | $0 |
| Four Open A Trucks, Inc. | Belgrade | MT | $0 |
| FPT North America Inc. | Livonia | MI | Subcontractor |
| Frank D. Riggio Co. Inc. | Bayonne | NJ | $0 |
| Frontier Equipment Sales, L.L.C | El Reno | OK | $0 |
| Fucich Contracting Inc. | Bay Saint Louis | MS | $0 |
| Fuel Management Solutions, Inc. | Cheyenne | WY | $0 |
| Full Power Generator Corp. | Carolina | PR | $0 |
| F & W Service Co. Inc. | Marion | IA | $0 |
| Fyr-tek Inc. | Gothenburg | NE | $0 |
| Gary's East Coast Service, Inc. | Oxford | CT | $0 |
| Gatbo Industries Inc. | Santa Rita | GU | $0 |
| G & C Multi Services LLC | Paducah | KY | $0 |
| GCP Enterprises Inc. | Redmond | WA | $0 |
| Genesis Engineered Solutions LLC | Wheat Ridge | CO | $0 |
| Gentune LLC | Spotsylvania | VA | Subcontractor |
| George A Schaper & Company Inc. | Sharon Hill | PA | $0 |
| Gierke Robinson Company, Inc. | Davenport | IA | $0 |
