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Established in 1967, A.R. Thomson Group is a Canadian manufacturer of gaskets, packing, mechanical seals, expansion joints, valves, fluid containment and control products with capabilities focused on oil & gas, petrochemical, pulp & paper, mining, municipal, power generation and many other industries. A.R. Thomson Group's wide variety of products uses the latest technology, including industrial metallic and non-metallic gaskets, seals, valves, metal hose, and expansion joints.