PPIH vs RELL Comparison

Perma-Pipe International Holdings Inc is engaged in the manufacture and sale of products in the reportable segment of Piping Systems. The company engineers, designs, manufactures, and sells specialty piping systems and leak detection systems. 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, and the coating and insulation of oil and gas gathering and transmission pipelines. It operates in the United States, Canada, the Middle East, Europe, India, and other countries.

Richardson Electronics Ltd provides engineered solutions, power grid, and microwave tubes and related consumables, power conversion, RF and microwave components, high-value flat panel detector solutions, replacement parts, tubes, and service training for diagnostic imaging equipment and customized display solutions. The company's segment includes Power and Microwave Technologies, Green Energy Solutions, Canvys, and Healthcare. The company generates the majority of its revenue from the Power and Microwave Technologies segment, which includes the power grid and microwave tube business and RF, Wireless and Power technologies.