The Bettis Group of Companies today include Bettis Asphalt & Construction, Inc., Mid-States Materials, LLC, Capital Trucking, LLC, Bettis Contractors, Inc., Capital Crane, LLC, Harbour Construction, Inc., Koss Construction Company and Midwest Pavement Grinding, LLC. Essential Duties and Responsibilities: Operate and control the machinery and equipment in the asphalt plant, including mixers, conveyors, and storage silos, to produce asphalt according to specified mix designs.