PPIH vs SGHT 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, Middle East, Europe, India and other countries.

Sight Sciences Inc is an ophthalmic medical device company focused on the development and commercialization of surgical and nonsurgical technologies for the treatment of prevalent eye diseases. Its Surgical Glaucoma segment's product portfolio features the OMNI Surgical System, a device that facilitates the performance of both canaloplasty and trabeculotomy with a single device and single corneal incision to reduce intraocular pressure in adult patients with primary open-angle glaucoma. The company's Dry Eye segment's product portfolio consists of the TearCare System for ophthalmologists and optometrists. It derives key revenue from the Surgical Glaucoma segment.