| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Superior Gearbox Company | USA | |
| 2 | Cleveland Gear Co. | USA | |
| 3 | Von Ruden Manufacturing Inc. | USA | |
| 4 | Regal Rexnord Corporation | USA | |
| 5 | Electronic Machine Parts LLC | USA | |
| 6 | Torque Transmission | USA | |
| 7 | NORD Gear Corp. | USA | |
| 8 | Penn Machine Co. | USA | |
| 9 | Candy Manufacturing Co. Inc. | USA | |
| 10 | Turner Uni-Drive | USA | |
| 11 | ASI Technologies Inc. | USA | |
| 12 | GearTechnic Corp. | USA | |
| 13 | Andantex USA Inc. | USA | |
| 14 | SIPCO-MLS | USA | |
| 15 | Euclid Universal Corp | USA | |
| 16 | Cone Drive Operations Inc. | USA | |
| 17 | Stober Drives Inc | USA |
