| Business | Phone |
| Aquatic Design Group 1950 Kellogg Ave, Carlsbad 92008 | (760) 438-8400 |
| Blue Water Engineering 6355 Corte Del Abeto, Carlsbad 92009 | (760) 438-3232 |
| Camp Dresser & Mc Kee Inc 1925 Palomar Oaks Way # 300, Carlsbad 92008 | (760) 438-7755 |
| Cengen Inc 5911 Sea Lion Pl, Carlsbad 92008 | (760) 929-0584 |
| Erin Engineering & Research 2111 Palomar Airport Rd # 180, Carlsbad 92009 | (925) 943-7077 |
| San Diego Magnetics Inc 6359 Paseo Del Lago, Carlsbad 92011 | (760) 929-4805 |
| Blue Water Engineering 6355 Corte Del Abeto, Carlsbad 92011 | (760) 438-3232 |
| Rbf Consulting 5050 Avenida Encinas, Carlsbad 92008 | (760) 476-9193 |
| Erin Engineering & Research 2111 Palomar Airport Rd # 180, Carlsbad 92011 | (925) 943-7077 |
| Means Engineering 6155 Corte Del Cedro, Carlsbad 92011 | (760) 931-9452 |
| Gei Consultants Inc 2141 Palomar Airport Rd, Carlsbad 92011 | (760) 929-9136 |