| Business | Phone |
| Applied Industrial Tech Inc 361 S Maple St, Corona 92880 | (951) 371-2550 |
| Midpoint Bearing 500 Harrington St # I2, Corona 92880 | (951) 340-9670 |
| Kaman Industrial Tech 1655 E 6th St # A3, Corona 92879 | (951) 272-8880 |
| Kenny Industrial Sales 371 Elizabeth Ln # 100, Corona 92880 | (951) 808-0519 |