Library of Congress Public Moving Image Archives and Research Centers. An index of film archives. Excellent and exhaustive resource.
The National Center for Jewish Film
National Film Preservation Foundation Search for film preservation activities by region. Comprehensive.
Australian Center for the Moving Image
National Media Museum, Bradford, UK
The National Museum of Cinema (Torino, Italy)
Early Television Foundation and Museum (USA)
The Paley Center for Media (USA)
The Seattle Art Museum, Greg Olson curator.