| company | role | hq | verified |
|---|
| Shoup Manufacturing Co shoupparts.com | DIST | Kankakee, IL (US) | 1 mfrs |
| Shuster Enterprises Inc shustercorp.com | DIST | New Bedford, MA (US) | 1 mfrs |
| Singh Auto Parts | DIST | Simi Valley, CA (US) | 1 mfrs |
| Southeastern Truck And Trailer Parts LLC | DIST | Stringtown, OK (US) | 1 mfrs |
| Southside Truck Parts Inc | DIST | Alta Vista, IA (US) | 1 mfrs |
| Specialty Truck Parts specialtytruck.com | DIST | San Jose, CA (US) | 1 mfrs |
| Spectrac Parts & Service | DIST | — (US) | 1 mfrs |
| Spindles Plus Inc spindlesplus.com | DIST | Batavia, OH (US) | 1 mfrs |
| Sri Performance | DIST | Mooresville, NC (US) | 1 mfrs |
| Standard Locknut & Lockwasher stdlocknut.com | MFG DIST | Westfield, IN (US) | 1 mfrs |
| Stewart Haas Racing LLC haascnc.com | DIST | Kannapolis, NC (US) | 1 mfrs |
| Sunbelt Bolt And Screw Co sunbeltboltandscrew.com | DIST | Jackson, MS (US) | 1 mfrs |
| Suncoast Rebuild Center suncoastrebuilding.com | DIST | Tampa, FL (US) | 1 mfrs |
| Superior Spindle Service superiorspindle.com | DIST | Taylor, MI (US) | 1 mfrs |
| Thompson Motors Of Wykoff Inc thompsontrucks.com | DIST | Wykoff, MN (US) | 1 mfrs |
| Tnt Truck Parts tnttruck.com | DIST | Lancaster, TX (US) | 1 mfrs |
| Transaxle LLC transaxle.com | DIST | Pennsauken, NJ (US) | 1 mfrs |
| Trans-Gear Inc | DIST | Hubbard, OH (US) | 1 mfrs |
| Tri-Cities Truck Parts Inc | DIST | Muscle Shoals, AL (US) | 1 mfrs |
| Tri-Star Fleet Sales & Service Lp | DIST | San Angelo, TX (US) | 1 mfrs |