Mars, Incorporated (NASDAQ TRACE: WWY.GA) is a privately held company, owned by the Mars family, making the family one of the wealthiest in the U.S. Mars manufactures and sells confectionaries, petcare, and other products, including M&M, Snickers, the Mars bar, Twix, Skittles, Whiskas pet food, and Wrigley chewing gum. The company has 135 factories in 68 countries. As a rule, Mars likes to stay out of the press and stays virtually debt-free, using its profits for expansion (Source: Hoovers Company Profiles).