| company | role | hq | verified |
|---|
| Childersburg Truck Service Co Inc | DIST | Childersburg, AL (US) | 1 mfrs |
| C & H Truck Parts | DIST | South Sioux City, NE (US) | 1 mfrs |
| Cincinnati Truck Parts | DIST | Cincinnati, OH (US) | 1 mfrs |
| Cole Truck Parts Inc | DIST | — (US) | 1 mfrs |
| Command Tooling commandtooling.com | MFG DIST | Anoka, MN (US) | 1 mfrs |
| Consolidated Truck Parts, Inc. | DIST | Monroe, LA (US) | 1 mfrs |
| Constant Velocity Of Ocala cvaxles.com | DIST | Ocala, FL (US) | 1 mfrs |
| Cornhusker International Trucks Inc | DIST | — (US) | 1 mfrs |
| Costex Corporation costex.com | DIST | Miami, FL (US) | 1 mfrs |
| Cowtown Gear Inc. | DIST | Fort Worth, TX (US) | 1 mfrs |
| Crown Machine crownmachine.com | DIST | Tyler, TX (US) | 1 mfrs |
| Davis Fleet Parts | DIST | Durant, OK (US) | 1 mfrs |
| Dayton Clutch & Joint Inc | DIST | Dayton, OH (US) | 1 mfrs |
| Defeo Allison Parts Specialists | DIST | Brookfield, CT (US) | 1 mfrs |
| Dick Williams Inc dickwilliamsinc.com | DIST | Fort Myers, FL (US) | 1 mfrs |
| Discount Parts Exchange | DIST | Mansfield, OH (US) | 1 mfrs |
| Dixie Truck Parts | DIST | Walterboro, SC (US) | 1 mfrs |
| Dover Brake & Clutch Co Inc | DIST | Lake Hopatcong, NJ (US) | 1 mfrs |
| Drivetrain Service & Components | DIST | Bensenville, IL (US) | 1 mfrs |
| Eagle Mountain Brg And Supply eaglemountainbearing.com | DIST | Fort Worth, TX (US) | 1 mfrs |