Campaign Organisations
- ACLU – LGBT Rights (USA)
- Australian Marriage Equality (Australia)
- Equality California (USA)
- FCKH8.com (USA)
- Freedom to Marry (USA)
- Human Rights Campaign (USA)
- Lambda Legal (USA)
- LGBT Foundation (UK)
- NOH8 Campaign (USA)
- Peter Tatchell Foundation (UK)
- Queer Nation NY (USA)
- Ugly Mugs (UK)
- UK Lesbian & Gay Immigration Group (UK)
- UK Network of Sex Work Projects (UK)
- Schools Out (UK)
- Stonewall (UK)
- Woodhull Sexual Freedom Alliance (UK)