T&H Lemont, a wholly-owned subsidiary of Inductotherm Group, is headquartered in Countryside, Illinois about 14 miles west of Chicago. 

Lemont Engineering Company was founded in 1962 as a tooling design and consulting firm serving the tube and pipe mill industry. In 1963 they opened their first manufacturing plant in Skokie, Illinois.

In the late 1960’s, they moved to a larger facility in Lincolnwood, Illinois. The product line was structured to service all the tooling needs of the tube and pipe industry including new rolls, regrind of rolls, cutoff dies, jaws and cutoff blades. Over the years, many items of equipment were also added, including Turkshead Units, Automatic Dedimplers, Side Pass Stands, Roll Stands, Run Out Tables, Tandem Scarfing Units and Automatic Length Control Systems.