The Environmental Group Limited (ASX:EGL) designs, manufactures, applies, and services gas, vapor, and dust emission control systems; inlet filtration, cooling, fogging, acoustical, expansion joint, and complete exhaust systems with dampers for gas turbines; air pollution control equipment for pollutant removal from industrial streams; water treatment and PFAS separation using foam fractionation technology; commercial boiler service, maintenance, steam boilers, inert gas generators, hot water boilers, valves, thermal oil heaters, and burners; and waste management, recycling, sorting technologies including balers via Turmec agency. Operating segments comprise EGL Clean Air (TAPC and Airtight Solutions for emission and air controls), EGL Energy (boilers and combustion via Tomlinson and Ignite), EGL Turbine Enhancement (Baltec IES for turbine systems), EGL Water (PFAS and treatment), EGL Waste (recycling services), and others, with majority revenue from EGL Energy; it serves industrial, energy, waste, and utilities sectors primarily in Australia and internationally. Founded in 1923 and headquartered at 315 Ferntree Gully Road, Mount Waverley, Victoria, Australia. Recent developments include the March 2025 acquisition of Advanced Boilers & Combustion Pty Ltd for A$5.5m to expand industrial boiler sales and service; a $1.9m order for PFAS treatment plant deployment; integration of Airtight Solutions into EGL Clean Air; an exclusive agency agreement with Kadant PAAL for European balers; and contracts such as Baltec IES turbine work for Engie and TAPC $12.9m gas scrubbing plant.