| Business | Phone |
| Gisler Communications 1100 Atascadero St, San Luis Obispo 93405 | (805) 541-4488 |
| Go America Communication Corp 75 Higuera St # 240, San Luis Obispo 93401 | (805) 542-8570 |
| Hood Communications San Luis Obispo 93401 | (805) 541-2192 |
| Meca Communications 3450 Broad St, San Luis Obispo 93401 | (805) 544-7800 |