Motors & Armatures Inc. (MARS), provider of logistics systems and warehouse-management software, will be expanding its main distribution center in Earth City, Mo. The facility, which opened in June of 1998, will increase in size by 50,000 sq. ft., to 250,000 sq. ft. The company, which recently celebrated its 60th anniversary, maintains its corporate offices in Hauppauge, N.Y., which also are undergoing a major makeover. For more information: Visit www.marsm-a.com.