| Business | Phone |
| Energy Sciences Network 1 Cyclotron Rd, Berkeley 94720 | (510) 486-7600 |
| Net-Worldtech.Com 2600 Telegraph Ave, Berkeley 94704 | (510) 704-7100 |
| Network Consultants Group Inc 2927 Newbury St, Berkeley 94703 | (510) 665-3101 |
| Network Relisience Inc 2342 Shattuck Ave # 821, Berkeley 94704 | (510) 843-2467 |
| Winterlink 2910 Telegraph Ave, Berkeley 94705 | (510) 665-3800 |