| Business | Phone |
| Automotive Engine Machine 7032 S Western Ave, Chicago 60636 | (773) 436-3441 |
| General Automotive Machinists 6032 S Ashland Ave, Chicago 60636 | (773) 776-5340 |
| Budget Engine Rebuilders 6212 S New England Ave, Chicago 60638 | (773) 586-3577 |
| Eric Japan Engines Inc 3900 N Elston Ave, Chicago 60618 | (773) 463-8108 |
| Ellison Machine Shop 7700 S Stony Island Ave, Chicago 60649 | (773) 721-4340 |