CLEVELAND, TENN. — Mars, Inc. said it will invest $60 million over the next two years to expand a chocolate facility in southeastern Tennessee. As part of the expansion, the company will add assembly lines for its M&Ms and Twix products, and expand an existing line for its new Pretzel M&Ms.

In addition to M&Ms, Twix and Pretzel M&Ms, the facility makes the 3 Musketeers brand of candy bars.