Perma-Pipe International Holdings Inc is engaged into designing, manufacturing, and sale of Piping Systems and leak detection systems The company's piping systems include insulated and jacketed district heating and cooling(DHC) piping systems for efficient energy distribution, primary and secondary containment piping systems for transporting chemicals, hazardous fluids and petroleum products, and coating and/or insulation of oil and gas gathering and transmission pipelines. The company's products include POLYTHERM, XTRU-THERM, TERRA-GARD, ULTRA-THERM, and others. The company earns revenue in the form of its system and products, out of which the majority of the revenue is generated from its systems. The company operates in the United States, Canada, Middle East, Europe, India, and others.