1972 - Incorporated by Larry Palmer and Joseph Zenni in a 10,000 sq. ft. building in Oak Ridge, Tennessee. Core customer was Newport News Shipbuilding, Newport News, Virginia. 1984 - Built a new 20,000 sq. ft. facility on Emory Valley Road in Oak Ridge. All machining operations moved to this facility.
1986 - Greg Palmer joins company to expand into the production machining market. The first CNC machine tool is purchased to manufacture a computer simulation control panel box for Hughes Aircraft.
1988 - Entered first major automotive contract with Buick to machine the Buick 708 FEC. Volume at 5000 units weekly.
1992 - Expanded into Aluminum Die Casting to offer turnkey programs to existing customers. An 8,000 sq. ft. building is erected to house this operation. Main building expanded to 25,000 sq. ft.
1997 – Tennessee Tool & Engineering is awarded contract from Tennessee Aluminum Casting (TAC) in conjunction with Toyota Manufacturing, Georgetown, KY, to machine Oil Pan housing adapter. Volume 4,500 units weekly.
1998 - The Die Cast Division is spun off from Tennessee Tool and incorporated in March under the name TTE Casting Technologies, Inc. It offers complete Aluminum Die Casting products and sub-assemblies.
1999 - TTE Casting Technologies, Inc., facility is expanded to 20,000 sq. ft. New 700-Ton Prince Full Sleeve machine purchased to meet the ever-expanding automotive markets need for a better quality casting.
2001 - Tennessee Tool & Engineering is now three separate operating units that employee 95 associates. TTE Production & Assembly achieves ISO 9001 quality registration.
2008 - Tennessee Tool & Engineering is awarded the 507 Oil Pump Cover by Aisin Automotive, this component will be supplied to Toyota’s Engine Assembly Plant in West Virginia.
2012 - Tennessee Tool & Engineering is awarded the Electronic Steering Assist by Globe Motors, to Tier One’s Polaris, Arctic Cat, BRP, this component will be supplied to Globe Motors/ Dothan, AL Plant.
2014 - Tennessee Tool & Engineering is awarded the Honda Water Pump Cover Service Program by Aisin Automotive Clinton, TN.
2016 – TTE Casting Technologies adding 10,000 Sq. Ft. addition as well as a new 700 Ton Die Cast Press.