Garbage Collection Narrow search by: Keyword: Results Found: 2 View On Map new search Sort by: A-Z Print Mackenzie Disposal, Inc. 1041 4th Ave N / PO Box 1116 Billings, MT 59103-1116 Map (406) 259-3600 Tri County Disposal/(formerlyTri-County Sanitation Service Inc.) 3630 York Road Helena, MT 59602 Map (406) 227-6300