| Business | Phone |
| Blanton's Precision Machine 1536 Hampton Way # B, Santa Rosa 95407 | (707) 528-7227 |
| Drive-Line Svc Of Santa Rosa 3132 Coffey Ln, Santa Rosa 95403 | (707) 528-7886 |
| Jnw Engine & Machine 1000 Piner Rd # G, Santa Rosa 95403 | (707) 544-6988 |
| Taddei's Machine Shop 451 W 9th St, Santa Rosa 95401 | (707) 545-1536 |