Serving Multiple Industries for Forty Years and Counting!

At Sirius Construction, our expertise and ability to perform is derived from 40 years of experience working in multiple industries for a wide array of clients. Our resume of commercial projects completed on-time and in-budget is broad and deep. The city of Missoula and surrounding areas contains dozens of landmark buildings put in place by Sirius and our sub-contractors. We have the resources, capabilities and experience to manage, erect, fabricate, finish and remodel projects across the entire spectrum of commercial and residential building.

Our depth of experience working in multiple industries gives our management staff the tools and the level of expertise required to be the perfect partner in turning your vision into reality.

Industries Served – Areas of Expertise


Government & Public Works



Structural Steel Fabrication


Custom Interiors

Historic Renovations

Custom Homes