Your Local Co-op, Serving Southwest Montana

Rocky Mountain Supply is a cooperative based out of Montana serving the cities and surrounding areas of Belgrade, Dillon, Ennis, and Townsend. We are committed to offering competitive prices to our patrons on all of our quality products and services.

Rocky Talk

We have published a Newsletter to keep you better informed of what we do here and what is new at Rocky Mountain Supply. It is called 'Rocky Talk. Food for Thought, Information for Business'.

Annual Meeting 2016

Rocky Mountain Supply, Inc. (RMSI) held its 16th Annual Meeting on Thursday, April 7, 2016 on the campus of the University of Montana - Western in Dillon, Montana. It was reported that for the fiscal year ending 2016, RMSI experienced record local net income. Click here to view the 2016 Financial Reports.

Dillon Fertilizer Plant

To better serve you, Rocky Mountain Supply has completed construction on new Fertilizer Plant in the Dillon area. Dillon Fert Plant: Click here for the 10/16/2015 UPDATE. See the latest photos of the completed construction: 10/16/15

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Dillon Store Remodel

To better serve you, Rocky Mountain Supply has remodeled the Dillon Store.  


Dillon Store Open House

The Grand Re-Opening during the Dillon Open House on May 14, 2016 celebrated the newly remodeled store.

Ennis Store Remodel

To better serve you, Rocky Mountain Supply has remodeled the Ennis Store. You have to come check out the New Beer Cave and Huge Deli serving Breakfast Sandwiches, Cheeseburgers, Fries and more! Click here to see the details.