| Business | Phone |
| Burlingame Industries 3546 N Riverside Ave, Rialto 92377 | (909) 822-6000 |
| Cal Craft Co 1426 S Willow Ave, Rialto 92376 | (909) 879-2900 |
| Columbia Steel Inc 2175 N Linden Ave, Rialto 92377 | (909) 874-8840 |
| Rcs 1280 N Fitzgerald Ave, Rialto 92376 | (909) 421-8240 |
| So-Cal Structural Steel 130 S Spruce Ave, Rialto 92376 | (909) 877-1299 |