| Business | Phone |
| B & M Machine 8439 Cherry Ave, Fontana 92335 | (909) 355-0998 |
| Brimar Products 8296 Fremontia Ave, Fontana 92335 | (909) 355-4790 |
| Camco Machine Inc 10703 Poplar Ave, Fontana 92337 | (909) 823-0657 |
| D & D Machine Shop 16620 Ceres Ave # 2, Fontana 92335 | (909) 888-3982 |
| Electro Control 8283 Sultana Ave, Fontana 92335 | (909) 350-2636 |
| F J Konz Machine & Tool Fontana 92335 | (909) 854-5433 |
| Fontana Engineering 14978 Ceres Ave, Fontana 92335 | (909) 854-4532 |
| Halsey Machine & Manufacturer Co 9400 Cherry Ave, Fontana 92335 | (909) 829-8767 |
| Host Machine Inc 15286 Arrow Blvd, Fontana 92335 | (909) 823-4201 |
| Jaeckel Tool Manufacturer 8365 Beech Ave, Fontana 92335 | (909) 854-3569 |
| Jms Machine 14978 Ceres Ave, Fontana 92335 | (909) 823-8087 |
| John's Machine Shop 15173 Boyle Ave, Fontana 92337 | (909) 350-9211 |
| Micro Cut Co Inc Fontana 92336 | (909) 899-4545 |
| Penco Precision 15251 Boyle Ave, Fontana 92337 | (909) 349-2892 |
| Rover Industries Inc 16546 Ceres Ave # 5, Fontana 92335 | (909) 350-0890 |
| S & D Specialty 14546 Hawthorne Ave, Fontana 92335 | (909) 350-8040 |
| Western Machine 8225 Goldmine Ave, Fontana 92335 | (909) 355-2180 |