| Business | Phone |
| Engineered Automation Systems 21 Technology Dr # 200, Irvine 92618 | (949) 341-0373 |
| Amp Research 2552 Mcgaw Ave, Irvine 92614 | (949) 221-0023 |
| Applied Mechanical Systems Inc 24 Summerwind, Irvine 92614 | (949) 786-9783 |
| Innova Engineering 5 Park Plz, Irvine 92614 | (949) 975-9965 |
| S L Intl 18021 Sky Park Cir, Irvine 92614 | (949) 724-9196 |
| Tsuchiyama & Kaino Consulting 17911 Von Karman Ave # 250, Irvine 92614 | (949) 756-0565 |