Youth  

• Gay, Lesbian & Straight Education Network (GLSEN)
• GSA Network
• LGBTQ Student Resources & Support
• Point Foundation
• Safe Schools Coalition
• The Trevor Project

Transgender

• National Center for Transgender Equality (NCTE)
• Sylvia Rivera Law Project
• Trans-Cendence 
• Transgender Law Center
• Transgender Legal Defense & Education Fund

Aging

• Coalition for aging LGBTQ
• National Resource Center for LGBT Aging
• Services and Advocacy for Gay, Lesbian, Bisexual & Transgender Elders (SAGE)

Bisexual

• BIENESTAR
• BiNetUSA
• Bisexual.org
• Bisexual Resource Center

Military

• The American Military Partner Association (AMDA)
• American Veterans for Equal Rights
• OutServe-Service Members Legal Defense Network
• Palm Center
• Transgender American Veterans Association
• Veterans for Human Rights​

Support / Crisis Hotlines

• The Trevor Project - (866) 488-7386

• National Suicide Prevention Line - (800) 273-8255

• Crisis Text Line - Text START to 741-741

• Lesbian, Gay, Bisexual, and Transgender
  National Hotline - (888) 843-4564

• GLBT National Youth Hotline
  (25 and under) - (800) 246-7743

• US National Domestic Violence Hotline - 
  (800) 799-7233

• Rape Abuse and Incest National Network - 
  (800) 656-HOPE

General

• Anti-Violence Project
• CenterLink
• COLAGE
• GMHC
• League of Latin American Citizens 
• Matthew Shepard Foundation
• Movement Advancement Project
• Out & Equal
• Parents, Families and Friends of Lesbians and Gays (PFLAG)
• Straight for Equality
• The Williams Institute

Political

• Equality Federation
• Human Rights Campaign (HRC)
• National LGBTQ Task Force
• Victory Fund

Legal

• American Civil Liberties Union (ACLU)
• Lambda Legal
• The LGBT Bar
• National Center for Lesbian Rights (NCLR)