| Business | Phone |
| California Model & Design 1450 Mariposa St, San Francisco 94107 | (415) 621-7460 |
| Gemmiti Model Art 2131 Folsom St, San Francisco 94110 | (415) 252-7536 |
| Kathleen Seyfarth San Francisco 94103 | (415) 861-0845 |
| Small Buildings Inc San Francisco 94110 | (415) 285-8826 |
| Stortson Specialty Casting 245 S Van Ness Ave # 203, San Francisco 94103 | (415) 861-6149 |
| Visual Thought San Francisco 94110 | (415) 642-5737 |