| 1 | IDP Inc. | | USA |
| 2 | Wellcap Industries Inc. | | USA |
| 3 | Vulcan Industries Inc. | | USA |
| 4 | Von Kamecke Corp. | | USA |
| 5 | Arbco Industries LLC | | USA |
| 6 | OneMonroe (Monroe Engineering Products) | | USA |
| 7 | Caster Concepts Inc. | | USA |
| 8 | Cardinal Carryor | | USA |
| 9 | Robert A. Main & Sons Manufacturing LLC | | USA |
| 10 | J.W. Winco Inc. | | USA |
| 11 | Caster Headquarters LLC | | USA |
| 12 | Wesco Industrial Products LLC | | USA |
| 13 | Trew Industrial Wheels Inc. | | USA |
| 14 | E.R. Wagner Mfg. Co. | | USA |
| 15 | P&H Casters Company Inc. | | USA |
| 16 | Carr Lane Roemheld Mfg. Co. | | USA |
| 17 | L.G. Rathbun Co. | | USA |
| 18 | Blickle U.S.A. Wheels and Casters Inc. | | USA |
| 19 | MHS Caster & Equipment Co. | | USA |
| 20 | Shepherd Caster Corp. | | USA |
| 21 | Jacob Holtz Co. | | USA |
| 22 | Casters In Motion LLC | | USA |
| 23 | Roura Material Handling Inc. | | USA |
| 24 | Caster City Inc. | | USA |
| 25 | Hamilton Caster | | USA |
| 26 | Service Caster Corp. | | USA |
| 27 | Colson Caster Corp. | | USA |
| 28 | Faultless Caster Div./ Hickory Hardware | | USA |
| 29 | Durastar Casters & Wheels | | USA |
