| Business | Phone |
| Anco 19851 Cajon Blvd, San Bernardino 92407 | (909) 887-2521 |
| Barrye's Thread Roll Co 1469 S Gage St, San Bernardino 92408 | (909) 796-9133 |
| Bms Machine 1904 Riverview Dr, San Bernardino 92408 | (909) 799-7770 |
| F G Walter & Son 5770 Industrial Pkwy, San Bernardino 92407 | (909) 887-8071 |
| Morrison Engineering 1570 E Victoria Ave, San Bernardino 92408 | (909) 796-5319 |
| Ernie's Machine Shop Fab 1180 E 9th St, San Bernardino 92410 | (909) 383-8844 |
| Ross Machine & Manufacturer 455 S Sierra Way, San Bernardino 92408 | (909) 885-4210 |
| Semco 1495 S Gage St, San Bernardino 92408 | (909) 799-9666 |
| T K Machine 5770 Industrial Pkwy, San Bernardino 92407 | (951) 236-0253 |
| Zwerner Industries 1990 Riverview Dr, San Bernardino 92408 | (909) 799-8080 |
| Machine Tech 275 E Mill St # J, San Bernardino 92408 | (909) 379-4526 |