| Business | Phone |
| Caleb Machinery & Equipment 23935 Madison St, Torrance 90505 | (310) 373-6888 |
| Global Comm Semiconductor Mfr 23155 Kashiwa Ct, Torrance 90505 | (310) 530-7274 |
| Irtronix Inc 635 Hawaii Ave, Torrance 90503 | (310) 787-1100 |
| Sac-Tec Lab 3630 Skypark Dr, Torrance 90505 | (310) 375-5295 |
| I R Tronix 635 Hawaii Ave, Torrance 90503 | (310) 787-1100 |
| Primarion 3460 Torrance Blvd, Torrance 90503 | (310) 540-2177 |
| Global Communication Inc 23155 Kashiwa Ct, Torrance 90505 | (310) 530-7274 |
| International Radiation 2527 W 237th St # C, Torrance 90505 | (310) 325-1992 |
| Pyramis Corp 2271 W 205th St # 101, Torrance 90501 | (310) 328-5399 |