Keystone Technical Services Inc. (the parent company of Keystone Steam Supplies) was founded in 1988. During the early years, the main focus of Keystone Technical Services was the importation and distribution of Barnes & Jones Steam Traps and Steam Trap Repair Parts. Because of the unique 'Cage Unit' concept which Barnes & Jones used in the manufacture of their steam traps and repair parts, education was a major component of our business – hence the Technical Services portion of the name. more... See more text