| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | MDI Manufacturing & Design Inc. | USA | |
| 2 | E.R. Wagner Mfg. Co. | USA | |
| 3 | TENTE Casters Inc. | USA | |
| 4 | Gallagher Corp. | USA | |
| 5 | Caster City Inc. | USA | |
| 6 | 21st Century Scientific Inc. | USA | |
| 7 | Custom Engineered Wheels | USA | |
| 8 | Frog Legs Inc. | USA | |
| 9 | Roto Hammer Industries Inc. | USA | |
| 10 | Von Kamecke Corp. | USA | |
| 11 | The Office Oasis | USA | |
| 12 | Katu Casters | USA | |
| 13 | Colson Plastics | USA |
