Mattr Corp., formerly known as Shawcor Ltd., is a Canadian materials technology company, based in Toronto, Ontario, and listed on the Toronto Stock Exchange. It specializes in providing services to the pipeline sector of the oil and gas market. It is one of the largest pipe-coating providers in the world. In 2017, it had a revenue of $1.56 billion. It was founded by Francis Shaw, the father of the founder of Shaw Communications, and there was substantial ownership in both companies by the Shaw family for many years.
