| Business | Phone |
| Covnet Communications 1031 98th Ave, Oakland 94603 | (510) 633-9345 |
| Digital Design Communications 8135 Capwell Dr, Oakland 94621 | (510) 632-0650 |
| Free Communications 801 Franklin St, Oakland 94607 | (510) 251-1828 |
| Friendly Communications 3975 Wattling St, Oakland 94601 | (916) 348-7808 |
| K & K Intl Link 275 28th St # 836, Oakland 94611 | (510) 839-2668 |
| Kofx Trebor Communications Oakland 94601 | (510) 436-4709 |
| Hill & Co Communications 111 Broadway, Oakland 94607 | (510) 663-6155 |
| T 4 Communications 747 52nd St, Oakland 94609 | (510) 428-3367 |
| Two Win Communications Oakland 94612 | (510) 287-9398 |
| Williams Communications 1330 Broadway, Oakland 94612 | (510) 893-1670 |