CECO Environmental Corp serves the energy, industrial, and other niche markets. The company operates through the Engineered Systems segment that serves the power generation, refinery, water/wastewater, and midstream oil and gas markets, and Industrial Process Solutions segment, which serves the broad industrial air pollution control, beverage can, fluid handling, electric vehicle production, food and beverage, semi-conductor, process filtration, pharmaceutical, petrochemical, wastewater treatment, wood manufacturing, desalination, and aquaculture markets. The majority of revenue is earned from the Engineered Systems Segment.