Environmental Tectonics Corporation, together with its subsidiaries, operates as an engineered solutions company in the United States and internationally. It operates in two segments, Aerospace Solutions (Aerospace) and Commercial/Industrial Systems (CIS). The Aerospace segment engages in the design, manufacture, and sale of software driven products and services to create and monitor the physiological effects of flight, including high performance jet tactical flight simulation, fixed and rotary wing upset prevention, and recovery and spatial disorientation, as well as suborbital and orbital commercial human spaceflight systems; hyperbaric chambers; and advanced disaster management simulators (ADMS), and integrated logistics support services. This segment offers integrated aircrew training systems to commercial, governmental, and military defense agencies; and training devices, including altitude and multiplace chambers to governmental and military defense agencies, and civil aviation organizations; and ADMS to governmental organizations, original equipment manufacturers, fire and emergency training schools, universities, and airports. The CIS segment is involved in the design, manufacture, and sale of steam and gas sterilizers to medical device and pharmaceutical manufacturers; environmental testing and simulation systems primarily to commercial automotive, as well as to heating, ventilation, and air conditioning manufacturers; and monoplace chambers to hospitals and wound care clinics. This segment also provides parts, as well as upgrade, maintenance, and repair services. The company markets its products through independent sales representatives and distributors. Environmental Tectonics Corporation was founded in 1969 and is headquartered in Southampton, Pennsylvania.