CAST Clinical Services is a private organization that aims at providing prompt drug and alcohol tests, assessments, referral services and programming. Return to work assessments can be completed. Counselling is available for a range of issues. All services (other than tests) are available in person, by OTN or telephone and can often be subsidized. Assessments for Indigenous and Metis individuals are offered free of charge.

Access for Indigenous and Métis individuals to assessments and individual counselling, education and relapse prevention.