| Business | Phone |
| Computer Department 6519 Fairman St, Lakewood 90713 | (562) 249-2424 |
| Computer Design Systems 11333 215th St, Lakewood 90715 | (562) 924-2669 |
| Dolphin Scientific Lakewood 90712 | (562) 497-0405 |
| Nationwide Power Inc 3700 Industry Ave # 102, Lakewood 90712 | (562) 427-0705 |