TRENT Inc., Philadelphia, Pa., celebrates its 75 anniversary this year. On July 27, 1927, the company, founded by Harold E. Trent, was incorporated as a manufacturer of electrically heated industrial process equipment and heating elements. Today, the company manufactures a broad product line including ovens, furnaces, kettles, melters, jackets, plug heaters, heater racks, cartridge, tubular, strip, immersion and fintube heaters.