Thor Industries Inc. subsidiary Heartland Recreational Vehicles LLC announced it has integrated operations for specialty trailer manufacturer Bison Coach into its growing portfolio, effective Feb. 8. Thor, through a wholly-owned subsidiary, acquired the net assets of Bison Coach in October of 2013 from an operating unit of Navistar Inc. Bison Coach, originally founded in 1984, is known for its rugged, high-quality and affordable specialty trailers, including a full lineup of equine trailers equipped with living quarters. "We're excited to team up with one of the most successful companies in the horse trailer business and bring Bison Coach into our family of companies," said Heartland President Chris Hermon in a press release.