| floridatrust.org | Florida Trust For Historic Preservation |
| aptdc.org | Association for Preservation Technologies Washington DC Chapter |
| cambridge.ma.us | Cambridge Historical Commission (cambridge, Massachusetts, Usa) |
| ca-missions.org | California Mission Studies Association |
| alameda-preservation.org | Alameda Architectural Preservation Society |
| cinematreasures.org | Cinema Treasures |
| uiuc.edu | Building Research Council, School of Architecture, University of Illinois Urbana |
| laconservancy.org | Los Angeles Conservancy |
| historichawaii.org | Historic Hawaii Foundation |
| georgiatrust.org | The Georgia Trust for Historic Preservation |
United States , California , Santa Clara