| Business | Phone |
| Grainger Inc 1151 Columbia Ave, Riverside 92507 | (951) 787-1960 |
| Ken's Tool & Supply 1651 Iowa Ave, Riverside 92507 | (951) 686-2542 |
| Hetzel's Industrial Mntnc Svc 9644 54th St, Riverside 92509 | (951) 681-0660 |
| Industrial Relations 8200 Arlington Ave, Riverside 92503 | (951) 351-5225 |
| Joa Control Systems Inc 3383 Chicago Ave, Riverside 92507 | (951) 787-7077 |
| R & D Industrial Sales 10039 Keller Ave, Riverside 92503 | (951) 359-5600 |