| Business | Phone |
| 3dsp 16271 Laguna Canyon Rd, Irvine 92618 | (949) 435-0600 |
| Austin Co 6410 Oak Cyn, Irvine 92618 | (949) 451-9000 |
| Ftr Intl 5 Park Plz # 1260, Irvine 92614 | (949) 263-8170 |
| Agahi Engineering 403 Santa Maria, Irvine 92606 | (949) 338-8249 |
| Dainippon Screen Engineering 17947 Cowan, Irvine 92614 | (949) 252-8940 |
| Delta Groups Eng Inc 2362 Mcgaw Ave, Irvine 92614 | (949) 622-0333 |
| Peterson-Chase General Engrng 1792 Kaiser Ave, Irvine 92614 | (949) 252-0441 |