Plan Your 2026 Steel Building Project Call 406 240-2508
Cornerstone is accepting a limited number of steel building starts for the first half of 2026. Let’s discuss your needs today.
Download Your Guide to Planning a Metal Building with Cornerstone Construction.
Steel buildings, single source from planning to build-out. Manufacturing, medical, commercial, storage, agricultural. . . you’re just one step away from the best metal building.
Our professionalism, integrity, and hard work allow us to build strong relationships with everyone we work with in western Montana.
Our best sales pitch? Ask our customers, engineering firms, city/state regulatory agencies, sub-partners, and suppliers about their experiences with Cornerstone.
Steel Buildings. . . We’re Your Montana Experts.
Cornerstone Steel offers you plan to occupancy services, architects and engineers with broad experience in metal buildings.
Site Selection and Feasibility Studies
Design, Engineering, and Permitting
Construction and Project Management
Move-In, Warranty Work, Maintenance
