Since 1963, W. H. Cooke & Co. has been serving our customers as a manufacturer of thermocouples, RTD's, and thermistors and a distributor of instrumentation and controls for temperature, pressure, level, flow, pH, RH, flame and gas detection and heaters. We also sell chart recorders and chart paper and pens as well as paperless recorders, data loggers, pumps, valves, and motors, and industrial oils, solvents, and lubricants.