IIS Environmental, 443 Conkey St, Hammond, IN 46324, US

Advance Thermal, a division of Transco Group, is one of the largest full-service manufacturers of removable insulation covers. The company offers a variety of products, such as manhole, tunnel specialty, heat exchanger and header covers. Additionally, its product line includes valves and pump covers, rotating dryers, steam and gas turbines and acoustical covers. Advance Thermal also provides exhaust manifold enclosures, instrument and leak-indicator covers and thermal wrap blankets for nuclear plants. The company has three manufacturing facilities located throughout North America in Illinois, Texas and Connecticut. The company, in addition, offers insulation blankets for a range of industrial equipment. Advance Thermal is located in Bensenville, Ill.