A.W. Chesterton Company is a manufacturer of industrial fluid sealing and process solutions, including mechanical seals, packing, gaskets, and specialty industrial lubrication. The company also provides technical support and training services. Chesterton operates in over 100 countries and serves customers in a variety of industries, including chemical processing, power generation, oil and gas, pulp and paper, and mining. The company was founded in 1884 and is headquartered in Groveland, Massachusetts.