| Business | Phone |
| Coast Engineering 18141 Beach Blvd # 295, Huntington Beach 92648 | (714) 841-0337 |
| Forkert Engineering & Srvyng 22311 Brookhurst St # I, Huntington Beach 92646 | (714) 963-6793 |
| Gong Enterprises Inc 7755 Center Ave # 1100, Huntington Beach 92647 | (714) 372-4959 |