Checkers IncWrite a Review406-488-5900Be the first to review!PO Box 899, Sidney, MT 59270Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?Extra PhonesTollFree: 877-488-5901Other Linkhttp://www.drugcheckers.comCategoriesAnalytical Labs, Drug Testing Suggest an Edit