Profile: Sudenga Industries, Inc. manufactures grain and feed handling equipment. Our products include portable augers, seed handling equipment, seed belt conveyors, bucket elevator legs, chain conveyors, grain bin and feed processing system. Our TD-450 portable auger features a standard caged intake and is available with multiple drive options. Our tubular belt conveyor originally designed for use with fertilizer. Our cleated belt conveyors have three cleats that placed side by side converge together inside the tube to form a paddle.