| Business | Phone |
| Dayton Cutter Grind Inc 1506 Webster St, Dayton 45404 | (937) 293-9921 |
| Dayton Tool Co Inc 1825 E 1st St, Dayton 45403 | (937) 222-5501 |
| Elliott Tool Technologies Ltd 1760 Tuttle Ave, Dayton 45403 | (937) 253-6133 |
| First Tool Corp 612 Linden Ave, Dayton 45403 | (937) 254-6197 |
| Gem City Engineering 272 Leo St, Dayton 45404 | (937) 223-6554 |
| Skytec Tool Inc 1945 Lucille Dr, Dayton 45404 | (937) 222-8243 |
| Steck Manufacturing Co 1115 S Broadway St, Dayton 45408 | (937) 222-0062 |
| Sabre Tool 2127 Troy St, Dayton 45404 | (937) 235-2720 |
| Prototype Industries Inc 349 Congress Park Dr, Dayton 45459 | (937) 433-6005 |
| Northwestern Tools Inc 3130 Valleywood Dr, Dayton 45429 | (937) 298-9994 |
| Mark Concepts Inc 1008 Leonhard St, Dayton 45404 | (937) 228-0236 |
| Master Tool & Mold Inc 5730 Webster St, Dayton 45414 | (937) 264-1448 |
| Monaghan & Assoc Inc 1760 Tuttle Ave, Dayton 45403 | (937) 253-7706 |