Alcoholics Anonymous:
http://www.aa.org

Cocaine Anonymous:
http://www.ca.org

Narcotics Anonymous:
http://www.na.org

Xa-speakers:
http://xa-speakers.org

Portland's Downtown District:
http://www.portlandmaine.com/index.php?sec=1

Step Study:
http://stepstudy.org

Skip Murphy's:
www.skipmurphys.com