| Business | Phone |
| Nexus Engineering Po Box 7200, Laguna Niguel 92607 | (949) 249-2121 |
| Orbit Engineering 24371 Los Serranos Dr, Laguna Niguel 92677 | (949) 295-1917 |
| Regatta Enterprises Inc 9 Sweet Meadow Ln, Laguna Niguel 92677 | (949) 481-1816 |
| Southland Engineering 19 Blue Horizon, Laguna Niguel 92677 | (949) 661-1740 |