| Business | Phone |
| Cogent Systems 12282 Loraleen St, Garden Grove 92841 | (714) 539-7330 |
| Incysion Computer Design 9582 Alwood Ave # K, Garden Grove 92841 | (714) 875-2512 |
| Ingenuity Applied 12411 Gilbert St, Garden Grove 92841 | (714) 539-1227 |
| Pacific Datacom Systems 11602 Knott St # D1, Garden Grove 92841 | (714) 379-3525 |
| Tritech Service Corp 12891 Western Ave # F, Garden Grove 92841 | (714) 895-7560 |