| 1 | RH Engineering | | USA |
| 2 | Luk Clutches | | USA |
| 3 | Mamco Inc. | | USA |
| 4 | Trillium Metal Stamping | | USA |
| 5 | Cutech-IBC Inc | | USA |
| 6 | Carlisle Brake & Friction | | USA |
| 7 | Inertia Dynamics LLC | | USA |
| 8 | Berrien Buggy by Acme | | USA |
| 9 | Tremec | | USA |
| 10 | ATL Aero Tec Laboratories Inc. | | USA |
| 11 | Clutch Masters Industries Inc. | | USA |
| 12 | Truck Part Specialists an ITW Company | | USA |
| 13 | Hilite Industries Inc. | | USA |
| 14 | Cameron | | USA |
| 15 | Clutchnet Manufacturing Corporation | | USA |
| 16 | Champion Parts Inc. | | USA |
| 17 | Alma Products Co. | | USA |
| 18 | Mid-America Clutch | | USA |
| 19 | Cablecraft Motion Controls | | USA |
| 20 | Daikin Clutch U.S.A. Inc. | | USA |
| 21 | Tilton Engineering Inc. | | USA |
| 22 | FTE Automotive USA Inc. | | USA |
| 23 | Ardee Engineering | | USA |
| 24 | Carbonetic Across Inc. | | USA |
| 25 | AT & I Sales Co. Inc. | | USA |
| 26 | Motor Specialty Mfrs. | | USA |
| 27 | Smedberg Machine Corporation | | USA |
| 28 | North American Clutch & Driveline Inc. | | USA |
| 29 | Saint John Spring Works Ltd | | USA |
| 30 | Amarillo Clutch & Drive Shaft Co. | | USA |
| 31 | Force Control Industries Inc. | | USA |
| 32 | WPT Power Corporation | | USA |
| 33 | BLM Automatic Clutch | | USA |
| 34 | Standard Motor Products Inc. (SMP) | | USA |
| 35 | ChemArt Co. | | USA |
| 36 | BorgWarner Inc. | | USA |
| 37 | Eaton Crouse-Hinds Division | | USA |
| 38 | Reell Precision Mfg. Corp. | | USA |
| 39 | HR Clutch | | USA |
| 40 | Ogura Industrial Corp. | | USA |
| 41 | JR Race Cars | | USA |
| 42 | Redco Manufacturing Co. Inc. | | USA |
| 43 | PowerTrain Technology Inc. | | USA |
| 44 | F.C.C Clutch Technology | | USA |
| 45 | Speed Scene Wiring | | USA |
| 46 | Four Seasons – Hayden Division a Division of Standard Motor Products Inc. (SMP) | | USA |
| 47 | Liaoning Automotive Zone Mfg. Grp. | | USA |
| 48 | UD Trucks North America Inc | | USA |
| 49 | ACROSS USA Inc. | | USA |
| 50 | Aisin World Corp. of America | | USA |
| 51 | Autopart International Inc | | USA |
| 52 | Means Industries Inc. | | USA |
| 53 | Pitts Industries LLC | | USA |
| 54 | Comptrol Incorporated | | USA |
| 55 | AMS Automotive | | USA |
