Herr Foods, a US based snack manufacturer, has announced an investment of $31 million to add a new manufacturing plant in Jackson and upgrade a facility in Chillicothe (OH). Founded in 1946, Herr Foods has a portfolio of more than 340 snack products, including crisps, cheese curls, pretzels, and popcorn, with a workforce of 1,400. According to the company, it has purchased the Jackson Industrial Rail Site, including a 50,000 …