MFRI, Inc. (MFRI) is a manufacturer of piping systems, filtration products and cooling equipment. The company operates its business through three segments including Piping System segment, Filtration Product segment and Industrial Process Cooling segments. It offers products for infrastructure development, energy transportation, manufacturing process efficiency and environmental compliance. Its Filtration Products segment manufactures and sells various filter elements for cartridge collectors, and baghouse air filtration and particulate collection systems. The company's Piping Systems segment engineers, designs, manufactures and sells specialty piping leak detection and location systems. Its Industrial Process Cooling Equipment segment engineers, designs, manufactures, and sells cooling and temperature control equipment. The company also carries out installation of heating, ventilation, and air conditioning (HVAC) systems. It markets products in North America, Latin America, the Middle East, Central America, Africa, Europe, and Asia-Pacific regions. MFRI is headquartered in Niles, Illinois, the US.