| Business | Phone |
| J G Minter & Son Inc 1950 Compton Ave # 115, Corona 92881 | (951) 734-3603 |
| Master Fab Inc 9210 Stellar Ct, Corona 92883 | (951) 277-4772 |
| Proformance Manufacturing Inc 1922 Elise Cir, Corona 92879 | (951) 279-1230 |
| H & N Fourslide Tool & Die 201 Jason Ct, Corona 92879 | (951) 372-9071 |
| Spirol West Inc 645 E Harrison St # 100, Corona 92879 | (951) 273-5900 |