Louis T Ollesheimer & Sons Inc

Established in 1978, Duro-Last Roofing manufactures prefabricated roofing systems for use in a variety of residential and commercial buildings, including factories, schools, churches, hotels and restaurants. Each of the company s roofing products uses its exclusive proprietary thermoplastic formulation, which combines resins, plasticizers, stabilizers, biocides, flame-retardants and UV absorbents. Its products are also designed to be leak-proof, chemical-resistant, wind-resistant and maintenance-free. More than 1 billion square feet of Duro-Last Roofing products have been installed in residential, commercial and industrial buildings throughout North America. It is headquartered in Saginaw, Mich., and operates additional facilities in Grants Pass, Ore., Jackson, Miss., and Sigourney, Iowa.

For over 65 years O'Harrow Construction has been providing Design/Build Construction services for Commercial, Industrial, Institutional and Municipal customers. We plan, design, fabricate and construct new facilities, additions to existing buildings, and modifications to structures. We also perform miscellaneous construction items such as steel racks and mezzanines, concrete pits, overhead cranes, new equipment with associated supports, emergency repairs, etc