
Dillon:
406-683-9500
866-683-9500
Belgrade:
406-388-5353
866-388-5353
About Us

Thank you for visiting us at Montana Energy Alliance LLC. We look forward to providing you with the best propane products and services.
History
Co-op Supply and Gallatin Farmers started selling propane in the 1950’s. Those two companies merged in 1999 to form Rocky Mountain Supply. In 2001 Vigilante Electric became 50 percent owner of the propane operation to form Montana Energy Alliance.