Beall Trailers, part of Wabash National Corporation’s Walker Group division, announced it has started manufacturing its 406 petroleum and dry bulk tank trailer models at Walker Group manufacturing facilities in Fond du Lac and New Lisbon, Wisconsin in addition to its Portland, Oregon location. “The expanded manufacturing footprint makes it easier and more cost-effective for customers throughout the Midwest and East Coast to own Beall trailers,” said Jim Miller, vice president of sales and marketing at Walker Group. The Walker Group, a division of Wabash National Corporation, is a leading North American manufacturer of high-quality, custom-engineered stainless steel, aluminum and carbon steel liquid transportation systems.