| Business | Phone |
| Baillie Communications Inc 1931 Arnold Industrial Way, Concord 94520 | (925) 689-2434 |
| Comcast Cable Advertising 1390 Willow Pass Rd # 920, Concord 94520 | (925) 671-4700 |
| Inn Room Video 2280 Bates Ave # A, Concord 94520 | (925) 682-8866 |
| Bck Communications 150 Mason Cir # G, Concord 94520 | (925) 677-7470 |
| Cel Television & Satellite 1640 Claycord Ave, Concord 94521 | (925) 674-9846 |
| Comcast Spotlight 1390 Willow Pass Rd # 920, Concord 94520 | (925) 671-4700 |
| Dish Network 1341 Traud Ct, Concord 94518 | (925) 287-8797 |
| Newhall Pacific 5036 Commercial Cir # D, Concord 94520 | (925) 609-8333 |