Kahlenberg Industries, Inc. is an ISO9001:2015 certified manufacturing company. Family owned and managed since 1895, the company operates two divisions; sound signaling, and custom manufactured products. The signaling division manufactures air and electric horn systems, air compressors, and automated controls for marine and industrial use. The custom product division produces stainless steel marine propellers primarily for inland river commercial vessels as well as manufactured components for OEMs in a wide variety of industries and applications. Distributed worldwide, all Kahlenberg products are proudly manufactured in Two Rivers, Wisconsin, U.S.A.