Thomas T Princing has been appointed chairman of the board of Scientific Brake & Equipment Co, while John T Princing has become president. Thomas Princing began his career at Scientific in 1961 and purchased the company in 1981. John Princing has served as vice-president of administration with Scientific since 1995.
Buyers Products Co has added Tim Frajter to its sales group as regional sales manager responsible for customer support and market development in the Ohio region. He has experience in the truck and trailer industry.