| Business | Phone |
| Data Connection Corp 1411 Harbor Bay Pkwy # 1003, Alameda 94502 | (510) 748-8230 |
| Mas Tec 2021 Clement Ave, Alameda 94501 | (510) 865-7552 |
| One Color Communications 1851 Harbor Bay Pkwy, Alameda 94502 | (510) 652-9005 |
| Data Connection Corp 1001 Marina Village Pkwy # 100, Alameda 94501 | (510) 748-8230 |
| Universal Telecom 875a Island Dr # 357, Alameda 94502 | (510) 523-0809 |