| Business | Phone |
| Carbide Tool Works 4945 Kitridge Rd, Dayton 45424 | (937) 237-1111 |
| Tool Service Co 45 Sachs St, Dayton 45403 | (937) 254-6177 |
| Triumph Tool 118 Front St, Dayton 45402 | (937) 222-6885 |
| Eaton Grinding Co 2653 Vance Rd, Dayton 45418 | (937) 268-5901 |
| Service For Industry Inc 3011 Production Ct, Dayton 45414 | (937) 890-4444 |
| Ohio Eng & Manufacturer/Oem Sales 630 Brandt St, Dayton 45404 | (937) 222-5400 |