Aspen Aerogels, Inc. engages in designing, developing, and manufacturing aerogel insulation used primarily in the energy infrastructure and building materials markets. Its products include Cryogel, Pyrogel, and Spaceloft. The company was founded by Hamed S. Borhanian, Patrick J. Piper, and Kang P. Lee in May 2001 and is headquartered in Northborough, MA.