Drew Industries, Inc. subsidiary Lippert Components, Inc. has acquired Fortress Technologies LLC of Middlebury, Indiana for $3.3 million. Fortress is a specialized manufacturer of recreational vehicle (RV) chassis with an estimated annual sales revenue of $3 million, according to RVBusiness.com. “The people and assets we’ve added from Fortress Technologies will help us better serve our customers by increasing our capacity, allowing us to meet the projected industry-wide growth,” said Scott Mereness, president of Drew Industries Inc. MHProNews knows Lippert and its sister company, Kinro Inc., provide components to the manufactured housing and to the RV industries.