| Business | Phone |
| Adelphia Cable Communications Carlsbad 92009 | (760) 931-7000 |
| Directv 660 Carlsbad Village Dr, Carlsbad 92008 | (760) 430-2500 |
| Communications & Power Ind Inc 6434 Flamenco St, Carlsbad 92009 | (760) 602-8491 |
| Nbo Name Brand Only 6352 Corte Del Abeto, Carlsbad 92011 | (760) 931-1800 |