Environmental Tectonics Corporation (ETC) is a provider of simulated environments for training, testing, and research and development. It offers aeromedical, automotive testing, advanced pilot, emergency response, spaceflight and military aviation training, and other related solutions. The company's products include automotive and HVAC test rooms, industrial sterilizers, equipment and custom training curricula, spatial disorientation and situational awareness solutions, environmental chambers, ground-based training simulators for tactical training uses, etc.