Local Organizations:
- Metro Trans Umbrella Group (MTUG)– Advocacy and support groups for the St. Louis trans community
- PROMO – Personal Rights Of Missourians, activist organization
- SAGE– Service and Advocacy for LGBTQ Elders
- Growing American Youth– Social support for LGBTQIA youth under 21
- Safe Connections– Domestic violence & sexual assault prevention and support
- St. Louis Effort for AIDS– HIV/AIDS advocacy, support, and education.
- Food Outreach– Nutritional support to individuals and families affected by HIV/AIDS
- LGBT Community Center of Metropolitan St. Louis
- Pride St. Louis– Local organization putting on PrideFest every June
- Team St. Louis– LGBTQIA-inclusive sports teams
- Frontrunners– Non-competitive club for allies and LGBT runners and walkers
National Organizations:
- NCTE – National Center for Transgender Equality
- AVEN – Asexual Visibility and Education Network
- ISNA – Intersex Society of North America
- HRC – Human Rights Campaign
- Lambda Legal– Legal services for LGBTQ individuals facing discrimination
- GLAAD – Gay and Lesbian Alliance Against Defamation
- PFLAG – Parents, Families, and Friends of Lesbians And Gays