Founded more than 150 years ago, Ashcroft manufactures a range of pressure and temperature measurement equipment and systems. It serves refineries, biotechnology and pharmaceutical laboratories, pulp and paper mills, wastewater treatment and semiconductor facilities, and power generation, food processing and chemical manufacturing plants. The company provides gauges, thermometers, switches, transducers, transmitters, instrument isolators, diaphragm seals, and control and calibration equipment. Ashcroft features products under the Ashcroft, Heise, Willy and Weksler brands. It offers calibration, seal assembly, facility survey, and product training and education services. The company operates a more than 320,000-square-foot, ISO 9001-certified facility. Ashcroft is owned and operated by Nagano Keiki Holdings of Japan.