| Business | Phone |
| Automotive Parts & Machine Inc 3832 Dayton Xenia Rd, Dayton 45432 | (937) 426-5275 |
| Dave Middleton's Performance 715 N Orchard Ln, Dayton 45434 | (937) 426-3247 |
| Ault Enterprises 1326 Springfield St, Dayton 45403 | (937) 253-8829 |
| Dick's Crank & Cam Shaft Svc 603 Warren St, Dayton 45409 | (937) 224-0319 |
| Gem City Engine Rebuilders 630 Brandt St, Dayton 45404 | (937) 228-8988 |