Our Winter 2021 – 2022 Projects
St. Ignatius Airplane Hanger – 7000 SF
Campell Garage – 2320 SF
Five Valleys Restoration – 6900 SF
Lolo Distillery – 3200 SF
Grizzly Excavation – 4300 SF
Our Winter 2021 – 2022 Projects
St. Ignatius Airplane Hanger – 7000 SF
Campell Garage – 2320 SF
Five Valleys Restoration – 6900 SF
Lolo Distillery – 3200 SF
Grizzly Excavation – 4300 SF
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.

Single source from planning to build-out. Manufacturing, medical, commercial, storage, agricultural. . . you’re just one step away from the best.

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.


Single source from planning to build-out. Manufacturing, medical, commercial, storage, agricultural. . . you’re just one step away from the best.



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



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


Steel Buildings. . . We’re Your Montana Experts.
Cornerstone Steel offers you plan to occupancy services, architects and engineers with broad experience in metal buildings.