| Business | Phone |
| A & L Machine Tool 1530 Bender Ave, Hamilton 45011 | (513) 863-2662 |
| Aleco Machine 900 Mosler Ave, Hamilton 45011 | (513) 894-6400 |
| American Tool Works Corp 160 Hancock Ave, Hamilton 45011 | (513) 844-6363 |
| Cincinnati Precision Mchnry 9083 Sutton Pl, Hamilton 45011 | (513) 860-4133 |
| Enterprise Machine & Tool 1480 Edison Ave, Hamilton 45011 | (513) 892-4591 |
| Folsom Precision 29 Standen Dr # 101, Hamilton 45015 | (513) 874-1664 |
| Hamilton Machine Svc Llc 350 Dayton St # B, Hamilton 45011 | (513) 895-7200 |
| Integris Precision Co 3440 Port Union Rd, Hamilton 45014 | (513) 874-2300 |
| Lou's Machine Shop 102 Hastings Ave, Hamilton 45011 | (513) 856-9199 |
| Micron North Machining Inc 9039 Goldpark Dr, Hamilton 45011 | (513) 942-6617 |
| N K Machine Tool & Assembly 1550 Pleasant Ave, Hamilton 45015 | (513) 737-8035 |
| Qualiturn Machine Shop 24 Miami Ave, Hamilton 45011 | (513) 868-3333 |
| R & K Machine Shop 4684 Neway Dr, Hamilton 45011 | (513) 870-9553 |
| R L Custom Machining Inc 2520 Bobmeyer Rd, Hamilton 45015 | (513) 868-9120 |
| Specialty Bracket Co 9440 Sutton Pl, Hamilton 45011 | (513) 874-6100 |
| Toolmaster 4668 Neway Dr, Hamilton 45011 | (513) 860-3550 |
| Tss Technologies 3 Standen Dr, Hamilton 45015 | (513) 772-7000 |
| Universal Machine Products 9060 Goldpark Dr, Hamilton 45011 | (513) 860-4530 |
| W & S Machine Shop Inc 3755 Cloe Ln, Hamilton 45013 | (513) 737-6970 |