 1964 marked a significant year, as OPW's former leader Thomas Sutton became president of Dover and corporate headquarters were relocated to New York City.The 1970s were characterized by Dover's intent to expand beyond its principle industries of building materials, equipment, and industrial components.A result of this effort included the acquisition of Dieterich Standard, which manufactured liquid-measurement instruments and whose president, Gary Roubos, went on to become Dover's chief operating officer (COO) and president in 1977.