| Business | Phone |
| California On Line Job Line 2730 Jefferson St # 15, Carlsbad 92008 | (760) 720-0750 |
| Campagnolo Usa Inc 2105 Camino Vida Roble, Carlsbad 92009 | (760) 931-0991 |
| Circa Information Technologies 701 Palomar Airport Rd, Carlsbad 92009 | (760) 931-4844 |
| Circa Information Technologies 701 Palomar Airport Rd, Carlsbad 92011 | (760) 931-4844 |