The Environmental Group Ltd is a facility service and environmental solutions company. Its principal activities are the design, application, and servicing of gas and vapor emission control systems, inlet and exhaust systems for gas turbines and engineering services, and water treatment, service, and maintenance of commercial boilers and engineering services, to a wide variety of industries. Its operating segments include EGL Clean Air TAPC, EGL Clean Air Airtight, EGL Energy, EGL Turbine Enhancement, EGL Waste, and others. It generates the majority of its revenue from the EGL Energy segment.