INTERSEX
Intersex Society of North America
Bodies Like Ours: Support & information for people born with atypical genitalia
Transfeminism.org: Introduction to intersexuality & intersex activism
Organization Intersex International
Androgen Insensitivity Syndrome Support Group (AISSG)
AIS Support Group Australia, Inc.
Klinefelter Syndrome Support Group
XY Turners Genetic Mosaic Support Group