| Business | Phone |
| Bivar Inc 4 Thomas, Irvine 92618 | (949) 951-8808 |
| Circuit Assembly Corp 18 Thomas, Irvine 92618 | (949) 855-7887 |
| Delphi Connection Systems 17150 Von Karman Ave, Irvine 92614 | (949) 660-5701 |
| Federal Custom Cable 1891 Alton Pkwy, Irvine 92606 | (949) 851-3114 |
| Flexible Manufacturing 1881 Kaiser Ave, Irvine 92614 | (949) 486-1530 |
| Future Electronics 25 Technology Dr, Irvine 92618 | (949) 453-1515 |
| Bel Merit Corp 16 Technology Dr, Irvine 92618 | (949) 727-9500 |
| Ibm Microelectronics 17802 Sky Park Cir # 204, Irvine 92614 | (949) 752-1090 |
| Shelly Associates Inc 17171 Murphy Ave, Irvine 92614 | (949) 417-8070 |
| Sure Seal Connections 17500 Red Hill Ave # 120, Irvine 92614 | (949) 752-4591 |