Locally-Owned
Cooperative
Locally owned and rooted in southwest Montana, Rocky Mountain Supply is a full-service cooperative committed to serving our members and customers. For over 90 years, we’ve provided dependable agricultural, energy, and convenience products and services for farms, ranches, homes, and businesses across the region.
Locations
Stop by one of our four Cenex®-branded retail stores, located in Belgrade, Dillon, Townsend, and Ennis, for a convenient one-stop shopping experience. From agricultural and home project supplies to personal and business essentials, we offer everything you need to get the job done – quickly, easily, and all in one place!
Locations
Stop by one of our four Cenex®-branded retail stores, located in Belgrade, Dillon, Townsend, and Ennis, for a convenient one-stop shopping experience. From agricultural and home project supplies to personal and business essentials, we offer everything you need to get the job done – quickly, easily, and all in one place!

Farm & Ranch
From feed and fencing to animal health and beyond, we carry trusted brands that help farms and ranches thrive.

Sporting Goods
From hunting to fishing, our Sporting Goods department has you covered. Find bait, camo, and all the essentials for your next outdoor outing.

Convenience Store
Whether it’s coffee and breakfast burritos or sandwiches, pop, and road-trip snacks – whatever you’re craving, you’ll find it at our c-stores.

Hardware
From small fixes to big projects, we carry a wide range of hardware products to help you get every job done right.

Clothing & Boots
Gear up with our durable, dependable selection of clothing and boots– perfect for any project that demands comfort and reliability.

We're Hiring!
Join the Rocky Mountain Supply Team. See what postions are currently available.
Rocky Mountain Supply For Your Rocky Mountain Life
Helpful Hints
Who should I contact if I am having trouble with my online portal?
Please contact our Credit Manager, Melissa Foster, at melissafoster@rmsi.coop or (406) 813-5045.
What is Patronage?
Patronage is a rebate paid to cooperative members based on overall profitability and how much business the member conducted with the cooperative during the fiscal year.
Do you offer a military or first responder discount?
Yes. As a thank-you for their service, we offer a 5% discount to active and retired personnel and to active first responders.
How do I become a Rocky Mountain Supply member?
Complete a credit or cash account application, and our team will follow up with next steps once it has been received. Membership is free!
Does the Rocky Mountain Supply Energy team deliver fuel?
Yes! Give our Energy Department a call at (406) 388-6116 and we’ll get you scheduled, or simply fill out our online fuel delivery form. Can we hyperlink to the fuel ordering form?
Latest News
RMSI Foundation
The Rocky Mountain Supply Foundation provides grants supporting youth agricultural education, agricultural advancement, and community safety and lifestyle initiatives.
© 2026 Rocky Mountain Supply. All rights reserved.
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