OEM wastewater treatment technology firm & manufacturer with 35+ years experience in the field of anaerobic digestion, modular sludge heat exchangers, headworks screening, grit removal & shaftless spiral conveyors. Inventor & developer of new patents for digester gas piston-bubble mixing. The most energy efficient bottom-to-top anaerobic digester mixing for 95% active volume within 30 minutes @ sludge viscosity. Major municipal installations in the United States, Canada & internationally. Including modernizing retrofits of Cannon-type mixers at Metro Toronto+. Also, 200+ influent works installations and dozens of shaftless spiral solids handling applications. Custom engineering solutions & complete engineering information packages.