| Business | Phone |
| Southern California Digital 4128 Avenida De La Plata # A, Oceanside 92056 | (760) 407-1496 |
| San Diego Cabling 4059 Oceanside Blvd, Oceanside 92056 | (760) 732-1472 |
| Coastal Commtech 3356 Ironwood Pl, Oceanside 92056 | (760) 722-1540 |
| Diamond Communications 1025 S Cleveland St, Oceanside 92054 | (760) 721-6320 |