Perma-Pipe (formerly known as MFRI) is a global company that engineers, designs, manufactures, and sells specialty piping and leak detection systems. The company offers insulated and jacketed district heating and cooling (DHC) piping systems for energy distribution from central energy plants to multiple locations, primary and secondary containment piping systems for transporting chemicals, hazardous fluids and petroleum products, and the coating and insulation of oil and gas gathering and transmission pipelines. Its leak detection systems are used to monitor areas where fluid intrusion may contaminate the environment, endanger personal safety, cause a fire hazard, impair essential services, and damage equipment or property.