| Business | Phone |
| Advanced Alloys 9852 Crescent Center Dr # 801, Rancho Cucamonga 91730 | (909) 980-2037 |
| B & D Industrial Supply 8420 Red Oak Ave, Rancho Cucamonga 91730 | (909) 476-9655 |
| Scheu Steel Supply Co 8830 Vineyard Ave, Rancho Cucamonga 91730 | (909) 982-1325 |