I believe they work for the society that delivers this program.
Tony Whitford on Question O201-12(2): Drug And Alcohol Workers Work For Societies
In the Legislative Assembly on February 28th, 1992. See this statement in context.
Return To Question O201-12(2): Drug And Alcohol Workers Work For Societies
Question O201-12(2): Drug And Alcohol Workers Work For Societies
Item 5: Oral Questions
February 27th, 1992
Page 192
See context to find out what was said next.