Tri-Went started making custom tubular parts in 1971 in Toronto, Canada and with an increase demand in the US market opened a second plant in Knoxville, Tennessee in 1991. Tri-Went has been an ISO registered company since 1997 and both plants are audited yearly. Both locations recently had their quality systems approved to the latest ISO-9001:2008 Registered Quality System.  Tri-Went custom parts are used in various industry applications: air-conditioning, refrigeration, heating, electronics, plumbing, marine, transportation, data communication, ventilation, military, medical and nuclear.  Tri-Went is a progressive and innovative company that is constantly evolving to meet the changing needs of our customers.