| Business | Phone |
| Certance 1650 Sunflower Ave, Costa Mesa 92626 | (714) 966-7360 |
| Agfa Healthcare 660 Baker St, Costa Mesa 92626 | (714) 557-5239 |
| Avesta Systems 3176 Pullman St, Costa Mesa 92626 | (714) 434-8172 |
| Business Resources Intl Costa Mesa 92627 | (949) 650-4122 |
| Califon Systems Costa Mesa 92627 | (949) 650-2563 |
| Computer Pros 1149 Sea Bluff Dr, Costa Mesa 92627 | (949) 642-7980 |
| Wilson Consulting Group Inc 2524 Elden Ave, Costa Mesa 92627 | (949) 650-0201 |
| Mc Gonkulator Inc 1001 W 17th St # R, Costa Mesa 92627 | (949) 515-4665 |