Descriptions temporarily removed, More recent descriptions soon!
The American Museum of Photography
American Society of Media Photographers
American Society of Picture Professionals
The Daguerreian Society
Evidence Photographers International Council, Inc.
International Association of Panoramic Photographers
International Center of Photography
Leica Historical Society of America
Lomographic Society International
The Nikon Historical Society
North American Nature Photographers Assoc.
The Ophthalmic Photographers' Society
The PhotoImaging Information
Photographic Alliance of Great Britain
Photographic Society of America
The Professional Photographers of America
The Royal Photographic Society
The Society for Photographic Education
Wedding & Event Videographers Association International
Wedding and Portrait Photographers International
White House News Photographers' Association
The World Council of Professional Photographers
Links verified 27-Nov-2012