| 1 | Gleason Corp. OEM Wheel & Caster Div. | | USA |
| 2 | General Aviation Industries Inc. | | USA |
| 3 | Kaufman Trailers Inc. | | USA |
| 4 | Tredit Tire & Wheel Co. Inc. | | USA |
| 5 | US Wheel Corp. | | USA |
| 6 | Boar Wheel | | USA |
| 7 | Croft Trailer Supply Inc. | | USA |
| 8 | Lucky “B” Mfg. Inc. | | USA |
| 9 | Carlisle Tire & Wheel Co. | | USA |
| 10 | Trailer Component Mfg. Inc. | | USA |
| 11 | Felling Trailers Inc. | | USA |
| 12 | Trew Industrial Wheels Inc. | | USA |
| 13 | The Wheel Group | | USA |
| 14 | Bond Casters | | USA |
| 15 | Quadra Manufacturing | | USA |
| 16 | The Trailer Parts Outlet | | USA |
| 17 | Mighty Lift Inc. | | USA |
| 18 | Greenball Corporation | | USA |
| 19 | Faultless Caster Div./ Hickory Hardware | | USA |
| 20 | Hamilton Caster | | USA |
| 21 | The Fairbanks Company | | USA |
| 22 | Azusa Engineering Inc. | | USA |
| 23 | Accuride Corp. | | USA |
| 24 | Custom Engineered Wheels | | USA |
| 25 | Interstate Trailers Inc. | | USA |
| 26 | TANDEMLOC Inc. | | USA |
| 27 | Universal Trailer Inc. | | USA |
| 28 | Martin Wheel Co. Inc. The | | USA |
| 29 | Mid-States Manufacturing & Engineering Inc. | | USA |
| 30 | Dexstar Wheel | | USA |
| 31 | WSD Inc. | | USA |
| 32 | Albion Inc. | | USA |
| 33 | PDI Ground Support Systems Inc. | | USA |
| 34 | Rovince Tire | | USA |
| 35 | The RV Factory | | USA |
