Mattr Corp. operates as a material sciences company that serves the infrastructure, energy, and transportation markets worldwide. It operates through three segments: Composite Technologies, Connection Technologies, and Pipeline and Pipe Services. The Composite Technologies segment manufactures flexible composite that are used for oil and gas gathering, and other applications; fiberglass reinforced plastic underground storage tanks for the retail fuel, water and wastewater, and oil and gas markets. The Connection Technologies segment manufactures heat-shrinkable products, including thin, medium, and heavy-walled tubing; sleeves and molded products, as well as heat-shrink accessories and equipment; and low-voltage wires and cables for control, instrumentation, thermocouple, power, and industrial applications. The Pipeline and Pipe Services segment offers ultrasonic and radiographic pipeline girth weld inspection services to pipeline operators and construction contractors. The company was formerly known as Shawcor Ltd. and changed its name to Mattr Corp. in January 2024. Mattr Corp. was founded in 1930 and is headquartered in Toronto, Canada.