Perma-Pipe International Holdings, Inc. is a provider of pre-insulated piping and leak detection systems for oil and gas gathering, district heating and cooling, and other applications. The Company is engaged in the manufacture and sale of products in a single segment: Piping Systems. The Company engineers, designs, manufactures and sells specialty piping systems and leak detection systems. Its specialty piping systems include insulated and jacketed district heating and cooling piping systems for efficient energy distribution from central energy plants to multiple locations; primary and secondary containment piping systems for transporting chemicals, hazardous fluids and petroleum products, the coating and/or insulation of oil and gas gathering and transmission pipelines, and liquid and powder based anti-corrosion coatings applied both to the external and internal surfaces of steel pipe. In total, the Company has operations at approximately 14 locations in six countries.