Building Structures & Industries, founded in 1970, is one of the leaders in the development of metal roofing applications, and the adaptation of preengineered metal buildings for use in the construction of commercial, industrial, and institutional buildings. Services offered by the company include construction and preconstruction services, steel erection, roof retrofit fabrication and installation, Butler-certified installers, project design services, and framing designs. It also offers life cycle cost analysis, slope buildup design, custom part design and fabrication, metal roof consultants, and roof consultants specializing in retrofit metal solutions. BSI's clients include architects, engineers, building owners, and general contractors. The company is headquartered in Fort Worth, Texas.

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