The 12 steps is the most widespread recovery movement in the world. There is almost a 12 step fellowship based around every disorder. Here are links to some of them:
12 Step Fellowships “Top 10” List

Sex and Love Addicts Anonymous
Alcohol/Substance Abuse Fellowships

Chemically Dependent Anonymous
Co-Anon
Cocaine
Anonymous
Crystal Meth Anonymous
Dual
Diagnosis Anonymous
Dual Recovery Anonymous
Heroin Anonymous
International Doctors in Alcoholics Anonymous
International
Lawyers in Alcoholics Anonymous
Marijuana Anonymous
Methadone Anonymous
Nar-Anon
Narcotics
Anonymous
Nicotine Anonymous
Pills Anonymous
Prescription Anonymous
Recoveries
Anonymous
Other 12 Step Fellowships
Anorexics and Bulimics Anonymous
Bloggers Anonymous
Chain Letters Anonymous
Clutterers Anonymous
Co-Dependents Anonymous
Compulsive Eaters Anonymous
Debtors Anonymous
Eating Addictions Anonymous
Eating Disorders Anonymous
Emotions Anonymous
Families Anonymous
Food Addicts Anonymous
Food Addicts in Recovery Anonymous
Gamblers Anonymous
HCV Anonymous
Hepatitis C Anonymous
HIV AIDS Anonymous
Homosexuals Anonymous
Kleptomaniacs & Shoplifters Anonymous
Love Addicts Anonymous
Obsessive Compulsive Anonymous
On-Line
Gamers Anonymous
Overeaters Anonymous
Parents Anonymous
Procrastinators Anonymous
Recovering Couples Anonymous
Schizophrenics Anonymous
Self Mutilators Anonymous
Sex Addicts Anonymous
Sex and Love Addicts Anonymous
Sex Workers Anonymous
Sexaholics
Anonymous
Sexual Compulsives Anonymous
Sexual Recovery Anonymous
Spenders Anonymous
Survivors of Incest Anonymous
Trauma Anonymous
Workaholics Anonymous