International High IQ Society
http://www.highiqsociety.org/

Mensa
http://www.mensa.org/

Top One Percent Society
http://www.toponesociety.com/

Intertel
http://www.intertel-iq.com/

Poetic Genius Society
http://www.poeticgenius.com/

Colloquy
http://www.steveheller.com/colloquy/colloquy.htm

Cerebrals Society
http://www.cerebrals.com/

International Society for Philosophical Enquiry
http://www.thethousand.com/

Glia Society
http://paulcooijmans.lunarpages.com/

One-in-a-Thousand Society
http://www.oathsociety.com/

IQuadrivium Society
http://iquadrivium.org/

Triple Nine Society
http://www.triplenine.org/

Ultranet
http://www.megafoundation.org/Ultranet/

Prometheus Society
http://www.prometheussociety.org/

Pi Society
http://www.megasociety.net/noesis/151/pisoc.html

Mega Society
http://www.megasociety.org/

Mind Society
http://www.highiqmind.com/

Elateneo/s Society
http://elateneos.atspace.com/path2.html

Ludomind Society
http://www.ludomind.gui.pro.br/

Milenija
http://milenija.generiq.net/

Genius Society
http://www.geniusociety.com/

ISI-Society
http://www.isi-s.com/

Epimetheus Society
http://www.epimetheussociety.com/

Camp Archimedes Society
http://johnnyvirtual.8m.net/hiQ/camparchimedes

The Omega Society
http://www.theomegasociety.com/

Giga Society
http://paulcooijmans.lunarpages.com/p/gliaweb/giga/

Camelopard Society
P.O. Box 16898, San Diego CA 92116

The International High Five Society
3546 Devon Hill Road, Toledo, OH 43606-1102

Sinistral SIG
200 Emmett Ave., Derby, CT 06418

High Potentials Society
http://www.highpotentialssociety.org/

Mysterium
http://www.mysteriumsociety.org/

HELLIQ Society
http://hell.iqsociety.org/

The OLYMPIQ Society
http://olymp.iqsociety.org/

Society for Intellectually Gifted Individuals with Disabilities
http://naterpotater2002.tripod.com/

ePiq
http://www.epiqsociety.org/

The Grail Society
>http://paulcooijmans.lunarpages.com/p/gliaweb/grail/