National Leather Association International

National Leather Association International (NLA-I) is a BDSM organization, based in the United States with chapters in various cities in the United States and Canada. It was founded in 1986 as the "National Leather Association" (NLA), as a national integrated organization including gay leathermen, kinky heterosexuals and bisexuals, SM lesbians and transgender sadomasochists, and representing their interests in the face of prosecutions.

Source: Wikipedia — National Leather Association International (CC BY-SA 4.0)