A Chickamauga company has announced a multi-million dollar expansion. Old Mill Kettle Corn, on Industrial Drive, Chickamauga announced this week that it will add a three-thousand square foot building to its existing facility, along with new production equipment. The company employs 30 people and expects those numbers to grow as the business expands. The produce a variety of flavored popcorn products sold across the Southeast in grocery and convenience stores. The native Walker County company began producing Old Mill Kettle Corn products in 2009.