| Business | Phone |
| Bitec 220 N Jersey St, Dayton 45403 | (937) 258-3338 |
| Day-Hio Products Inc 709 Webster St, Dayton 45404 | (937) 445-0782 |
| Dayton Screw Machine Prods Inc 451 Congress Park Dr, Dayton 45459 | (937) 433-2805 |
| South-East Tool Co 901 Springfield St, Dayton 45403 | (937) 258-0616 |
| Hyland Screw Machine Products 1900 Kuntz Rd, Dayton 45404 | (937) 233-8600 |
| Integrity Manufacturing Corp 3723 Inpark Dr, Dayton 45414 | (937) 233-6792 |
| J & L Manufacturer 2028 Webster St, Dayton 45404 | (937) 223-0348 |
| Rely-On Manufacturer Inc 955 Springfield St, Dayton 45403 | (937) 254-0118 |
| Mosher Machine & Tool Co 1420 Springfield St, Dayton 45403 | (937) 258-8070 |
| Ohio Metal Products Co 35 Bates St, Dayton 45402 | (937) 228-6101 |