Mutual support groups whose members are individuals who have or are at risk of an alcohol use disorder. The groups meet in-person, by telephone or via the Internet; provide emotional support, information and resources to help participants overcome their disorder; and may include faith-based and secular 12-step groups as well as non-12 step groups, and groups for anesthetists, pharmacists, psychologists, physicians or other health care professionals who are recovering from an alcohol use disorder.

Mutual support groups whose members are individuals who have a disorder involving the use of drugs including prescription drugs and over-the-counter medication. The groups meet in-person, by telephone or via the Internet; provide emotional support, information and resources to help participants overcome their disorder; and may include faith-based and secular 12-step groups as well as non-12 step groups, and groups for anesthetists, pharmacists, psychologists, physicians or other health care professionals who are recovering from a drug use disorder.

Mutual support groups whose members identify as lesbian, gay, bisexual, transgender, queer, two-spirit or as part of other communities such as those in the process of coming out or questioning their sexual orientation or gender identity. Groups may also be structured for parents, children, heterosexual partners or other relatives or significant others. The groups provide an opportunity for members to share their issues and concerns with others in a safe, supportive environment. Meeting formats may include in-person, telephone or Internet options.

Individuals who are currently participating in or have completed an alcohol use disorder treatment program or are involved in a recovery program and are endeavoring to remain sober.

Individuals who are currently participating in or have completed a drug treatment program or are involved in a recovery program and are endeavoring to remain drug free.

An umbrella term for people whose gender identity is not in harmony with their birth assignment, or who experience their gender identity as radically different from what is expected of a "man" or "woman". It includes but is not limited to people who identify as transgender, trans woman, trans man, transsexual, gender non-conforming, gender variant, gender queer or pangender. Many communities live under this umbrella but there is no single or universal experience of what it means to be trans (a word used interchangeably with "transgender").

People who identify as part of the gender and sexually expansive community that includes people who are lesbian, gay, bisexual, transgender, two-spirit, queer, pansexual, intersex, asexual, bigender, genderqueer, third gender, pangender, nonbinary, gender nonconforming, agender or allied, or who are in the process of coming out or questioning their sexual orientation or gender identity.