The announcement confirms a report Sept. 11 on IBJ's real estate blog Property Lines.
The expansion will be on the site of Ertel Manufacturing, which closed in 2002. The site has been rejuvenated through a $3 million brownfield cleanup. Major Tool received about $850,000 in incentives.
Major Tool, founded in 1946, offers engineering, fabrication and machining to industries including aerospace and defense. It already employs 265.