Thermalogic: Over 50 years of built to order controls and sensors, with satisfied customers at every turn. At Thermalogic, we design, engineer and manufacture electronic temperature, humidity and process controls and sensors so you can have the built-to-spec accuracy and reliability you need. Since 1971, we have been working across a variety of industries to ensure top-quality, built-to-order controls plus a partnership that makes life easy. The full range of Thermalogic® services is performed in-house, right here in our state-of-the-art facility in Hudson, MA, where we bring family-owned values and commitment to everything we do.