H.O. Penn has been dedicated to outstanding customer service for more than 80 years. From our founders through to our current owners, our history shows how we have a long record of continually making improvements to help support our customers and make them more successful.?? In 1921, three businessmen, Hamilton O. Penn, Frank Ginsberg, and E. Gwynn Robinson, formed the Ginsberg-Penn Co. This firm, which was incorporated on February 17, 1923, represented various manufacturers of construction and industrial equipment. The company was operated out of offices in the Hudson Terminal in downtown New York City. Sales centered primarily around cement mixers, small shovels, and paving machines. On December 9,1926 the name of the firm was changed to H.O. Penn Machinery Company, Inc.??