| Business | Phone |
| Fairchild Semiconductor 2734 Loker Ave W, Carlsbad 92008 | (760) 931-2521 |
| Redhawk Energy Consultants 2902 Austin Ter, Carlsbad 92008 | (760) 434-6771 |
| Moraes Pham & Assoc 2131 Palomar Airport Rd # 120, Carlsbad 92011 | (760) 431-7177 |
| Lpg Engineering 2151 Las Palmas Dr # C, Carlsbad 92011 | (760) 634-5045 |