| American Underground | 415-755-9676 | 123 Paradise Dr | Pacifica | CA | 94044 |
| Ancora-Verde Corp | 415-981-1460 | 235 Montgomery St | San Francisco | CA | 94104 |
| Balmacara Production Inc | 415-342-5037 | 20 Park Rd | Burlingame | CA | 94010 |
| Chem Oil Corp | 415-956-3834 | 750 Battery St | San Francisco | CA | 94111 |
| Childress John Associates | 415-327-5295 | 436 Waverley St | Palo Alto | CA | 94301 |
| Evko Development Co | 415-386-5445 | 4710 Cabrillo St | San Francisco | CA | 94121 |
| Mid Coast Marketing Inc | 415-726-2741 | 240 Main St | Half Moon Bay | CA | 94019 |
| Nana Oil & Gas Inc | 415-383-3158 | 707 Redwood Hwy | Mill Valley | CA | 94941 |
| Petrolphsics Inc | 415-626-6020 | 2101-3d | San Francisco | CA | 94103 |
| Pssi | 415-467-2221 | 21 Industrial Way | Brisbane | CA | 94005 |
| Roto-Rooter Sewer & Drain Cleaning Service Of | 415-883-2192 | Novato Area | Ignacio | CA | 94949 |
| Savage Petroleum Co | 415-332-3566 | 3030 Bridgeway | Sausalito | CA | 94965 |
| Timeplex Inc Field Services | 415-571-5233 | 1400 Fashion Island Blvd | San Mateo | CA | 94404 |
| Towne Edw B Jr | 415-434-0700 | 582 Market St | San Francisco | CA | 94104 |
| Universal Organic Resources | 415-726-2740 | 240 Main St | Half Moon Bay | CA | 94019 |
