A company that makes self-defense products has spent the last few years moving much of its manufacturing to the U.S. and is finding the benefits extend beyond having the ability to put a “Made in America” label on their products. Byrna Technologies, which makes non-lethal personal security devices that can launch plastic or chemical irritant rounds, moved its main manufacturing facility from South Africa to Indiana in 2021 and began finding qualified U.S. component suppliers to…