M&Ms will still be made in Hackettstown despite corporate shakeup
Mars Wrigley is moving its U.S. headquarters out of Newark by the end of October, but M&Ms production in Hackettstown will continue; the brand has been in New Jersey since the 1940s.
Mars Wrigley, the world’s largest manufacturer of chocolate, candy and other confectionery products, plans to leave its U.S. headquarters in Newark by the end of October.