CSquare Steel Corp is a Specialty Contractor, Supplier that serves the Spokane, WA area and specializes in Decking, Design and Engineering, Fabricated Engineered Structures, Fences and Gates, Flashing and Trim, Metal Fabrications, Metal Wall Panels, Metals, Painting and Coatings, Roof Panels, Steel Siding, Structural Design and Engineering, Structural Steel, Structural Steel Framing Erection, Structural Steel Framing Fabrication.