MAC Trailer Enterprises, Inc. is a leading American manufacturer of semi-trailers and dump truck bodies, specializing in dump, flatbed, transfer, dry bulk pneumatic tank, and liquid tank equipment. MAC Trailer products are recognized nationwide for durability, performance, and long term value.

Founded in 1992 by Michael A. Conny, the company has grown to an organization with 10 manufacturing facilities across 6 states, along with a state of the art research and development center, aftermarket parts locations, and comprehensive service and warranty support. MAC Trailer Enterprises, Inc. operates through three distinct brands: MAC Trailer, Beall® Manufacturing, and Trailstar®, offering customers a broad portfolio of equipment solutions backed by deep industry expertise and a nationwide dealer network.