E Q the Environmental Quality, 5400 Arkona Rd, Milan, MI 48160, US

Systech Environmental Corporation is a subsidiary of Lafarge North America, one of the largest diversified construction materials companies and is a supplier of cement, aggregates and concrete and other materials for residential, commercial, institutional and public works construction in North America. The company is part of the Lafarge Group, a leader in building materials that is active in nearly 75 countries and employs more than 75,000 people. Lafarge and its subsidiaries are one of the largest suppliers of cement and leading ready-mixed concrete in North America. Systech procures and manages fuel-quality waste, tire-derived fuel, alternate solid fuels and alternate raw materials for cement kilns. The materials are used in place of nonrenewable fossil fuels, such as oil, coke and coal and limestone, shale, alumina and silica. Systech Environmental Corporation maintains a location in Dayton, Ohio.