Environmental Tectonics Corporation provides its customers with products, services, and support. It is a supplier in various areas of software driven products and services used to create and monitor the physiological effects of flight. Its segments include Aerospace Solutions (Aerospace) and Commercial/Industrial Systems (CIS). Aerospace segment encompasses the design, manufacture, and sale of Aircrew Training Systems (ATS) products; altitude (hypobaric) chambers; hyperbaric chambers for multiple persons (multiplace chambers), and Advanced Disaster Management Simulators (ADMS), as well as integrated logistics support (ILS) for customers who purchase these products or similar products manufactured by other parties. CIS encompasses the design, manufacture, and sale of steam and gas (ethylene oxide) sterilizer systems; and environmental testing and simulation systems, and parts and service support for customers who purchase these products or similar products manufactured by other parties.