| Business | Phone |
| Aero Machine 3602 Enterprise Ave, Valparaiso 46383 | (219) 548-0490 |
| Custom Machining Svc 326 N 400 E, Valparaiso 46383 | (219) 462-6128 |
| Jifco Products Inc 256 Brown St, Valparaiso 46383 | (219) 464-7111 |
| Keller Machine & Welding 5705 Murvihill Rd, Valparaiso 46383 | (219) 464-4915 |
| Precision Machine 2904 Morthland Dr # 2, Valparaiso 46385 | (219) 465-6828 |