Kahlenberg Industries, Inc. is ISO 9001-2008 Certified for the design and manufacture of sound signaling equipment, propellers, marine equipment, and manufacture of other custom metal products. Marine sound signaling equipment is certified by ABS, British MCA, Canadian DOT, and numerous other national authorities and classification societies. Most importantly, Kahlenberg Industries employs a skilled, dedicated workforce, with the average employee being with the company for over 11 years. The production facility currently occupies over 45,000 square feet of production space. Distributed worldwide, all Kahlenberg products are proudly manufactured in Two Rivers, Wisconsin, U.S.A.