| Business | Phone |
| Applied Computer 15461 Springdale St, Huntington Beach 92649 | (714) 842-7800 |
| Celtic Computer Systems 7632 Woodwind Dr # 101, Huntington Beach 92647 | (714) 898-9210 |
| Applied Computer 18411 Gothard St, Huntington Beach 92648 | (714) 596-5642 |
| Avantron Inc 5152 Bolsa Ave, Huntington Beach 92649 | (714) 899-2600 |