| Business | Phone |
| C & C Communications 10970 International Blvd # E40, Oakland 94603 | (510) 562-0980 |
| Day Wireless Systems 983 66th Ave, Oakland 94621 | (510) 638-4113 |
| Ham Radio Outlet 2210 Livingston St, Oakland 94606 | (510) 534-5757 |
| Radio Web Communications 8400 Enterprise Way, Oakland 94621 | (510) 562-4224 |