| company | role | hq | verified |
|---|
| John W Cookson Co jwcparts.com | DIST | New Philadelphia, OH (US) | 1 mfrs |
| Jones Lawayne | DIST | Duncan, OK (US) | 1 mfrs |
| Klein Automotive Parts Inc | DIST | Linden, NJ (US) | 1 mfrs |
| Koesters Body Frame Shop koestersales.com | DIST | Fort Wayne, IN (US) | 1 mfrs |
| Lakewood Truck & Trailer Parts lakewoodtruck.com | DIST | Wixom, MI (US) | 1 mfrs |
| Laredo Trailer Supply laredotrailersupply.com | DIST | Laredo, TX (US) | 1 mfrs |
| Larry Schmidt Truck Parts & Sales Inc schmidttruck.com | DIST | Perryville, MO (US) | 1 mfrs |
| Libson Twin City libsontruck.com | DIST | Minneapolis, MN (US) | 1 mfrs |
| Lima Clutch & Joint Inc | DIST | Lima, OH (US) | 1 mfrs |
| Lkq Kc Truck Parts lkqheavydutytruck.com | DIST | — (US) | 1 mfrs |
| Lm Machinery And Equipt LLC lm-machinery.net | DIST | Jacksonville, FL (US) | 1 mfrs |
| Longview Gear & Axle | DIST | Longview, TX (US) | 1 mfrs |
| Luckens Inc luckentrucks.com | DIST | Winger, MN (US) | 1 mfrs |
| Martec International | DIST | Elizabeth, NJ (US) | 1 mfrs |
| Master Power Transmission masterpowerco.com | MFG DIST | Columbus, IN (US) | 1 mfrs |
| Mechatronics mechatronics.com | MFG DIST | Preston, WA (US) | 1 mfrs |
| Melton Industries | DIST | Columbus, NJ (US) | 1 mfrs |
| Michigan Truck Parts Inc michigantruck.com | DIST | Westland, MI (US) | 1 mfrs |
| Michigan Truck Spring Of Saginaw truckspring.com | DIST | Saginaw, MI (US) | 1 mfrs |
| Mid Missouri Truck & Trailer Parts | DIST | Mexico, MO (US) | 1 mfrs |