Lair de Sade -- Los Angeles Private Dungeon (and has great BDSM related lectures)
Threshold Society -- Los Angeles Non-Profit Member Owned Dungeon and Play Space (also has great BDSM related lectures and events)
National Coalition of Sexual Freedom -- Kink Aware Professionals
Silventar Photography -- Los Angeles based fetish photographer
Don Sir Photography -- Southern California based rope bondage practitioner and photographer
SubMissAnn -- Los Angeles based fetish model and pony play practitioner and instructor
