| Business | Phone |
| Edelbrock Corp 2700 California St, Torrance 90503 | (310) 781-2222 |
| Envisage Design Labs 20710 Manhattan Pl, Torrance 90501 | (310) 787-7544 |
| Hitachi Automotive Products 475 Alaska Ave, Torrance 90503 | (310) 212-0200 |
| Honeywell Transportation Systs 3201 Lomita Blvd # 200, Torrance 90505 | (310) 791-9101 |
| Lisi Aerospace Hi-Shear Corp 2600 Skypark Dr, Torrance 90505 | (310) 326-8110 |
| Aisin Usa Inc 3555 Lomita Blvd # C, Torrance 90505 | (310) 834-8200 |
| Edelbrock Corp 2301 Dominguez Way, Torrance 90501 | (310) 781-2290 |
| Edelbrock Corp 501 Amapola Ave, Torrance 90501 | (310) 781-2290 |