Clark Solutions started as a partnership under the name of E Clark and Associates in 1975 as a manufacturers representative for component instrument products used to measure process variables including temperature, pressure, level and flow. The company continued to conduct business under the E Clark and Associates name until it began doing business as Clark Solutions in 2001. The primary areas of business for Clark continue to be components for industrial processes, HVAC, automated chemistry, and medical equipment . Clark Solutions has sold a wide range of instrumentation, pumps and valves. Clark Instrumentation includes a broad range of pressure sensors, switches and such devices for measurement of pressure and differential pressure from 0.1 inch water column to 10,000 PSI. Many types of valves including isolation, pinch, ball, butterfly, and globe valves with and without actuators are handled. A full range of flow sensors and flow switches are offered. The companys complete offering of small pumps includes peristaltic, solenoid, gear, rotary vane, diaphragm and air operated pump lines cater to a wide variety of industries and applications. In 2007 the company began manufacturing their Clark Sonic ultrasonic flow transmitters for measuring liquid flow rates in pipes from 34 to 10 in size. Applications are in the fields of HVAC, Water and Wastewater, Irrigation and Process Control. This business has also expanded to include BTU Meters for Energy monitoring. Clark Solutions currently occupies 10,000 sq feet of manufacturing space in Hudson, MA.