| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Allied-Locke Industries | USA | |
| 2 | Dalton Gear Co. | USA | |
| 3 | FallLine Corp. | USA | |
| 4 | The Adams Company | USA | |
| 5 | Iwis | USA | |
| 6 | Cogmatic Inc. | USA | |
| 7 | Mearthane | USA | |
| 8 | New London Engineering | USA | |
| 9 | Irwin Car & Equipment | USA | |
| 10 | Babbitt Steam Specialty Co. | USA | |
| 11 | Azusa Engineering Inc. | USA | |
| 12 | W.M. Berg Inc. | USA | |
| 13 | PIC Design | USA | |
| 14 | Koronis Parts Inc. | USA |
