The VON Corporation is the world's most trusted name in underground cable fault locating and high voltage testing. The VON Corporation was founded in 1958 by C.F. von Herrmann and developed the world's first truly one-person portable, air insulated 100kV DC test set. From this beginning, the VON Corporation has grown to serve a wide variety of needs of electric utilities and related companies. Family owned and operated, the company serves a worldwide customer base from its main office in Birmingham, Alabama, U.S.A. We strive to provide the most reliable, easy to use and accurate operation of any equipment available for utility markets. We specialize in equipment for underground cable fault locating, high voltage testing including insulated aerial lift devices, VLF cable testing, rubber protective goods testing, aerial device boom current monitoring and our temporary secondary power restoration line of Servisavors.