| Business | Phone |
| American Powder Coating Co 2208 S Yellow Springs St, Springfield 45506 | (937) 322-2790 |
| Kreider Corp 2000 S Yellow Springs St, Springfield 45506 | (937) 325-8787 |
| Metal Stampings Unlimited Inc 1900 S Yellow Springs St, Springfield 45506 | (937) 328-0206 |
| Morgal Machine Tool Co 2100 S Yellow Springs St, Springfield 45506 | (937) 325-5561 |
| Ohi-Tec Manufacturer Inc 5800 Lower Valley Pike, Springfield 45502 | (937) 882-6016 |
| Ohio Stamping & Machine Inc 1305 Innisfallen Ave, Springfield 45506 | (937) 322-3880 |
| Pentaflex Inc 4981 Gateway Blvd, Springfield 45502 | (937) 325-5551 |
| Valco Industries Inc 6901 Urbana Rd, Springfield 45502 | (937) 399-7400 |