PMFG, Inc. is a provider of custom-engineered systems and products designed to the delivery of clean energy. The Company’s services include natural gas infrastructure, power generation and refining, and petrochemical processing. It provides industrial and utility services through its subsidiary, Combustion Components Associates, Inc. It offers separation and filtration products, which include Selective Catalytic Reduction systems, Selective Non-Catalytic Reduction systems, low emissions burner and related combustion systems. It operates in two segments: Process Products and Environmental Systems. The Process Products segment produces specialized systems and products that remove contaminants from gases and liquids. The Environmental Systems segment designs, engineers and installs systems for combustion modification, fuel conversions and post-combustion nitrogen oxide (NOX) control.