Headquarters

353 Old Hays Rd.
Hays, MT 59527
406.673.3031
contact@islandmtn.com

Billings Office

1537 Avenue D
Billings, MT 59102
406.351.4432
contact@islandmtn.com

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HEADQUARTERS

353 Old Hays Rd.
Hays, MT 59527
406.673.3031
contact@islandmtn.com

BILLINGS OFFICE

1537 Avenue D
Billings, MT 59102
406.351.4432
contact@islandmtn.com

OUR COMPANIES

GVA Holdings, LLC
Island Mountain Real Estate Holdings
Classic Design Homes
Buffalo Horse, Inc.
Snake Butte Construction Company
Spirit Box Technology

COMMUNITY PARTNERS

Montana Native Growth Fund
Life’s Language Lodge
Nakoda Aaniiih Economic Development Corporation

© 2023 Island Mountain Development Group