Websites That May Be Helpful.

Comprehensive info on drugs of abuse

Drug library 

http://www.druginfo.sl.nsw.gov.au/

12 Step based

Alcoholics Anonymous Australia
http://www.aa.org.au/findameeting/

Al-anon (help for Australian families & friends of Alcoholics)
http://www.al-anon.org/australia

Narcotics Anonymous (Australia)
http://www.na.org.au

Nar-anon (help for Australian families & friends of compulsive drug users)

http://www.naranon.com.au/

Marijuana Anonymous
http://marijuana-anonymous.com/

Crystal Meth (Ice) Anonymous (Australian meetings)
http://www.crystalmeth.org.au

Overeaters Anonymous (Sydney)
http://www.oasydney.org/aboutoa.html

Sex and Love Addicts Anonymous
http://www.slaa.org.au/11.html

Codependents Anonymous
http://www.codependentsanonymous.org.au/

Gamblers Anonymous
http://www.gamblersanonymous.org.au/

Food addicts Anonymous (International & Online Meetings)

http://www.foodaddicts.org/find-meeting?co=Australia

Inpatient /Private Hospital Services in Sydney that offer treatment in addiction

South Pacific Private (Specialising in process and substance addiction)
http://www.southpacificprivate.com.au/

St John of God
http://www.sjog.org.au/

Wesley Private Hospital
http://www.wesleymission.org.au/community%5Fservices/counselling/

Public detoxification programmes and long term rehabilitation centres

There is an extensive service directory pertinent to NSW Australia,  put together by NUAA (NSW Users & Aids Assoc. Inc)
http://www.nuaa.org.au/index.php?option=com_sobi2&catid=7&Itemid=53

Interventions for families living with addiction

www.lakescope.com.au

Online Assistance

http://www.jimmaclaine.com/index.html