| Business | Phone |
| Positve Perspective 2604 El Camino Real # B250, Carlsbad 92008 | (760) 720-7186 |
| N E Fried & Assoc 7564 Romeria St, Carlsbad 92009 | (760) 633-4444 |
| General Fiber Communications 6076 Corte Del Cedro, Carlsbad 92011 | (760) 929-9211 |
| Linkatel Communications Inc 2330 Faraday Ave, Carlsbad 92008 | (760) 431-8380 |