Certainteed Ceilings, 1415 Pilgrim Rd, Plymouth, WI 53073, US

Bay Insulation Systems, located in Green Bay, Wis., offers a range of services to clients. The company has locations throughout the country, and its commercial and industrial insulation division offers commercial and industrial insulation products from a variety of manufacturers. Its fabricated insulation division supplies a range of thermal and acoustical insulation products. It also produces custom insulating materials and conformed shapes in sizes and configurations to meet the specifications of clients. The metal building insulation division of Bay Insulation ranks as one of the largest producers and distributors of a complete line of materials and accessories. Additionally, the company is one of the largest producers of custom-laminated metal building blanket insulation.