| Jurisdictional Area | Contact |
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| Structural | Kim Palmieri Building Division Official Phone: (406) 578-8273 |
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| Plumbing | Kim Palmieri Building Division Official Phone: (406) 578-8273 |
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| Mechanical | Kim Palmieri Building Division Official Phone: (406) 578-8273 |
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| Electrical | Kim Palmieri Building Division Official Phone: (406) 578-8273 |
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| Civil | Vern Heisler City Engineer Phone: (406) 578-8236 |
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| Zoning | Nicole Cromwell Zoning Coordinator Phone: (406) 478-8662 |
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| Planning | Candy Beaudry Planning Division Manager Phone: (406) 578-8249 |
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| City Attorney | City Attorney Office Phone: (406) 578-8205 |
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| Public Works | David Mumford Director of Public Works Phone: (406) 578-8232 |
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| Fire Marshal | Marv Jochems Fire Chief Phone: (406) 578-8420 |
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| Parks/Recreation | Gene Blackwell Park Supt. & Forester Phone: (406) 578-8372 |
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| Aviation | Tom Binford Asst. Director of Aviation & Transit Phone: (406) 578-8494 |