| Business | Phone |
| Gdr Group 38 Discovery # 250, Irvine 92618 | (949) 453-8818 |
| Advanced Computing 4 Jenner, Irvine 92618 | (949) 789-6863 |
| Codeit Computing 1682 Langley Ave, Irvine 92614 | (949) 863-9819 |
| Novadyne Computer Systems Inc 17771 Cowan, Irvine 92614 | (949) 798-4100 |