Founded by Wayne Cooke in 1963, W. H. Cooke & Co. began as a one-person Baltimore repair business and now operates from Hanover, where it has marked six decades in business. The company is known for making custom industrial temperature sensors and supporting manufacturers whose processes depend on precise measurement and control.
Thermo Electric Company, IncSince 1941, Thermo Electric Company has built its reputation as a temperature-measurement specialist for industries where dependable readings matter. The West Chester-based manufacturer is now part of the COTEMP Sensing Group, with a network spanning six countries and three continents and a particular focus on tailored solutions for demanding industrial and semiconductor applications. Its work is supported by certified quality and calibration programs.WEST CHESTER, PA
Probes Unlimited, IncFounded in 1992 in Lansdale, Pennsylvania, Probes Unlimited designs and manufactures custom OEM temperature sensors and control devices. The privately held company was acquired by Ernest DeLany in 1999 and pairs in-house engineering experience with flexible production for both low-volume builds and automated high-volume assemblies. Its service can extend from sensor design through installation, with NIST-traceable calibration available for custom precision sensors.LANSDALE, PA
RAM Sensors, IncFounded by Ronald A. Miller in 1981, RAM Sensors manufactures industrial temperature-sensing devices, including custom designs, for customers worldwide. Now in its third generation of ownership, the Westlake company supports demanding applications across industries such as metalworking, aerospace, chemical processing and power generation. Its applications engineers help develop fit-for-purpose sensors, while its quality management system is registered to ISO 9001:2015.WESTLAKE, OH