| Business | Phone |
| Berkel & Co Contractors 855 Folsom St # 703, San Francisco 94107 | (415) 495-3627 |
| West Valley Termite Control Po Box 2, San Francisco 94083 | (650) 737-0527 |
| Coast Geo-Constructors 1215 Michigan St, San Francisco 94107 | (415) 391-6465 |
| Ned Clyde Construction San Francisco 94134 | (415) 330-9910 |