| Business | Phone |
| Weir Andrewson Assoc Inc 990 A St # K, San Rafael 94901 | (415) 485-9797 |
| Buel Engineering 1537 4th St # 128a, San Rafael 94901 | (415) 491-0600 |
| Earthquake Engineering San Rafael 94901 | (415) 457-7177 |
| David Juday San Rafael 94901 | (415) 250-2703 |
| R B Gould Structural Engineers 363 Miller Creek Rd, San Rafael 94903 | (415) 479-5682 |
| Thomas H Lutge Structural Engr San Rafael 94901 | (415) 461-1872 |