Environmental Tectonics Corporation (ETC) believes virtual environments can teach us a lot about real life. Through its Aerospace Solutions segment (formerly Training Services Group), the company makes software-driven aircrew training systems and disaster simulators. Through its Commercial/Industrial Systems segment (formerly Control Systems Group), it designs, manufactures, and sells industrial steam and gas sterilizers for the pharmaceutical, medical device, and animal research industries, hyperbaric chambers for the medical industry, and environmental testing products for the automotive and HVAC industries.