Curtis Instruments, Inc

Founded in 1972, Aalborg Instruments & Controls Inc. is a primary manufacturer of precision instrumentation for flow measurement and control. Aalborg Instruments & Controls Inc. manufactures rotameters, mass flow controllers, vortex flow meters, pumps, valves and many other flowmeters. The company also offers accessories, including optical sensor for rotameters, IO signal conditioner, SDPROC microprocessor driven command module, TOT totalizer and PSV-D driver module. The firm has two divisions; The Variable Area Division, which manufactures a diversified line of flowmeters and needle valves and the Electronics Division, which produces state-of-the-art thermal mass flowmeters and mass flow controllers for gases and electromagnetic flow controllers for liquids and gases.

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.

For more than one-half century Burling Instruments Inc. has been specializing in providing temperature safety switches and pressure regulation valves. Based in Chatham, N.J., the firm has been instrumental in developing and manufacturing standard as well as custom designed products for end-users, original equipment manufacturer (OEM)'s and other major customers worldwide. Burling Instruments Inc. is one of the manufacturers that can tolerate high temperatures in excess of 2000 F as well as high pressures in the United States.