We supply superior building packages to provide you with the best quality materials from Montana companies. Any building package purchased will have the design fee waived. The most common buildings we design include:
- Barns
- Shops
- Sheds
- Loafing Sheds
- Sportsman’s Sheds
Post frame structures are the main building style we provide and put up. Post frame building is common form that includes wood framing and sheet metal siding and roofing. Our metal options include a variety of colors and profiles of metal. Contact us today to request a catalog online or in the mail of our metal options.

Why should I buy from Diamond R?
- Free Estimates
- Excellent Pricing
- Custom Designs
- Variety of Color Options
- Variety of Metal Profiling
- Great Customer Service
- Free Delivery within 100 Miles*
*Any building or corral package will be delivered for free anywhere up to 100 miles from our office in Three Forks, MT. Anything further than 100 miles will have a small mileage fee.