| Business | Phone |
| Abbott Speed & Machine Inc 1005 Hampshire St, Quincy 62301 | (217) 231-3900 |
| Awerkamp Machine Co 237 N 7th St, Quincy 62301 | (217) 222-3480 |
| Degitz Engineerd Product-Mach 2024 Prairie Ave, Quincy 62301 | (217) 228-8555 |
| Quincy Machine & Welding Inc 1226 N 14th St, Quincy 62301 | (217) 223-5464 |
| Koenig Machine & Welding 2707 N 24th St, Quincy 62305 | (217) 228-6538 |
| Rah Enterprises 2630 S Commercial Dr, Quincy 62305 | (217) 223-1970 |