| Business | Phone |
| Aura Systems Inc 2345 E Garfield Ave, Decatur 62526 | (217) 423-4100 |
| Bold Machine Works Inc 1677 S Taylorville Rd, Decatur 62521 | (217) 428-6644 |
| C & J Machine 1661 Westland Rd, Decatur 62521 | (217) 428-1104 |
| Carter Design & Machine Inc Rr 6 Box 104, Decatur 62521 | (217) 864-2891 |
| Central Machining Svc 2057 E Olive St, Decatur 62526 | (217) 422-7472 |
| Crescent Bearing & Supply Inc 2310 E Logan St, Decatur 62526 | (217) 428-4363 |
| Dcp Machine 4007 E Logan St, Decatur 62526 | (217) 428-9186 |
| Decatur Machine & Tool Co 2020 E Locust St, Decatur 62521 | (217) 428-4888 |
| Illini Precision Machining 750 E Prairie Ave, Decatur 62523 | (217) 425-5780 |
| Laukaitis Racing 3775 Cundiff Rd, Decatur 62526 | (217) 877-8877 |
| Machine Works Of Decatur Inc 2035 E Garfield Ave, Decatur 62526 | (217) 428-3896 |
| Midland Machine Corp 4443 N Brush College Rd, Decatur 62521 | (217) 877-7753 |
| Peters Machine Co 3765 N Westlawn Ave, Decatur 62526 | (217) 875-2578 |
| Wabel Tool Co 1020 E Eldorado St, Decatur 62521 | (217) 429-3656 |