| Trackoholics & TI2TT Track Trackdays | Michigan & California | 2001-2006 | |
| Utechniques Inc. | Michigan | 1998-2005 | |
| Classic Car Radio - Infinity Technologies | Michigan | 1988-1998 | |
| Magnolia Hi Fi and Video | Washington | 1986-1988 | |
| Lynnwood Cycle Barn | Washington | 1983-1986 | |
| U.S Army | Washington | 1975-1978 |
