| Business | Phone |
| East West Electronics 3655 Torrance Blvd, Torrance 90503 | (310) 792-8200 |
| Systems Cable Products 20435 Gramercy Pl # 102, Torrance 90501 | (310) 320-5571 |
| Gene Thielman Torrance 90505 | (310) 378-5997 |
| Libertia Corp 2421 W 205th St, Torrance 90501 | (310) 787-7717 |
| Elham Industries 18908 Van Ness Ave, Torrance 90504 | (310) 532-7995 |