| Business | Phone |
| Brennan-Ken's Tv 21 Canyon Oak Pl, Danville 94506 | (510) 237-7511 |
| Hro Inc 390 Diablo Rd # 210, Danville 94526 | (925) 831-1771 |
| Metric Test Equipment 184 Lowell Dr, Danville 94526 | (925) 362-1591 |
| Radio Shack 480 San Ramon Valley Blvd # G, Danville 94526 | (925) 820-1431 |