Lucas-Milhaupt, Inc. is a global manufacturer and developer of metal-joining materials, alloys, fluxes, and precision preforms. Founded in 1942 as a tool manufacturer, the company transitioned into developing engineered silver alloy brazing preforms and joining materials to serve wartime industrial demands, later joining the Handy & Harman group and becoming a subsidiary of Steel Partners Holdings L.P.
Operating out of its headquarters in Cudahy, Wisconsin, with additional manufacturing facilities and offices in Warwick, Rhode Island, Ribérac, France, and Suzhou, China, the business produces more than 500 standard and custom brazing and soldering alloys. The company also operates the Lucas-Milhaupt Brazing Academy, providing operator qualifications and technical training to OEM engineers and service contractors.