| Business | Phone |
| Bridge Information Syst 444 Market St, San Francisco 94111 | (415) 765-9905 |
| Burrelle's Luce Info Svc 185 Berry St, San Francisco 94107 | (415) 495-0664 |
| Information Pathways Inc San Francisco 94109 | (415) 775-1240 |
| Opus Dei Information Office San Francisco 94118 | (415) 752-7177 |
| Sex Information Of San Francis Po Box 190063, San Francisco 94119 | (415) 989-7370 |
| Systems Technology Information 50 California St # 1500, San Francisco 94111 | (415) 439-5393 |
| T W Infonet Po Box 280931, San Francisco 94128 | (650) 871-5018 |
| Bacons Information Boardcast 274 Brannan St, San Francisco 94107 | (415) 796-0001 |
| Bulldog Information Svc 340 Page St, San Francisco 94102 | (415) 621-2958 |
| Red & White Fleet Info 2801 Leavenworth St, San Francisco 94133 | (415) 447-0597 |