dozens of energy intensive glass manufacturers, most notably Ball Corp., which built sprawling factories that churned out millions of mason jars.
The auto industry followed, and Muncie became a hub for transmission making. The term "Muncie transmission" is still used by hot rod enthusiasts when talking about gearboxes produced here by General Motors Corp. in the 1960s. One particularly powerful version is the "rock crusher," used in Corvettes and other muscle cars.
BorgWarner, based in Auburn Hills, Mich., has even deeper roots in Muncie than GM. Warner Gear was founded here in 1901 and merged with other businesses to create what became BorgWarner in the late 1920s. Many former workers here still call it Warner Gear.