The United Federation
of Phoenix 
is the southwest's oldest Star Trek and science fiction
fan organization, continuously operating since 1975.
The club meets every two weeks at various locations
around the Phoenix metropolitan area.
http://www.u-f-p.org/
The New England Science
Fiction Association, Inc. (NESFA) 
The New England Science Fiction Association, Inc.
... NESFA, founded in 1967, is one of the oldest science
fiction clubs in New England. ...
http://www.nesfa.org/
The Minnesota
Science Fiction Society
http://www.mnstf.org/mnstf/
Baltimore Science
Fiction Society 
http://www.bsfs.org/
The Washington Science
Fiction Association is the oldest science fiction
club in the greater Washington area. Its members are
interested in all types of science fiction and fantasy
literature as well as related areas such as fantasy
and science fiction films, television, costuming,
gaming, filking, convention-running, etc.
http://www.wsfa.org/
Central Arizona Speculative
Fiction Society
Major convention sponsor in Arizona. Lists upcoming
cons.
http://www.casfs.org/
LASFS: Los Angeles
Science Fantasy Society
Science Fiction and Fantasy Literary Organization.
http://www.lasfs.org/
The
Melbourne Science Fiction Club is the second oldest
science fiction club in the world and meets every
Friday night in Melbourne, Australia.
We run a variety of activities including film screenings,
collectors fairs, trivia nights and of course, our
monthly all-you-can-eat food night. In addition to
our weekly meetings, our members also receive our
award winning magazine Ethel the Aardvark and are
able to borrow from our library of over 8,000 science
fiction and fantasy books.
http://home.vicnet.net.au/~msfc/
Israeli Society
for Science Fiction and Fantasy - A club based
in Tel Aviv, Israel.
http://www.sf-f.org.il/
