The Photographic Society of America (PSA), an international organization, hosts competitions, seminars, study groups among other activities. This organization publishes the monthly PSA Journal. www.psa-photo.org.
The Photographic Federation Of Long Island (PFLI), a voluntary non profit organization of camera clubs on Long Island (Brooklyn, Queens, Nassau, & Suffolk). Information on current activities can be found http://www.pflionline.com/ . Inter-club competitions are held once a month on Friday between October and June. See web site for additional information.
Canon USA
NIKON USA