| Business | Phone |
| Acu Tek Solutions 210 Mccormick Ave, Costa Mesa 92626 | (714) 966-9700 |
| Delphi Engineering Group 485 E 17th St # 400, Costa Mesa 92627 | (949) 515-1490 |
| Avyd Devices 2925 College Ave # A1, Costa Mesa 92626 | (714) 751-8553 |
| Aztec Research Costa Mesa 92626 | (714) 444-2433 |
| Trailing Edge Technologies 711 W 17th St # C1, Costa Mesa 92627 | (949) 574-9820 |
| Ravalco Inc 1685 Babcock St # A, Costa Mesa 92627 | (949) 646-7274 |