Since our founding in 1931, Dwyer Instruments has established ourselves as an industry leader in the manufacturing of instrumentation solutions for the HVAC and Process Automation markets. We have a long history of innovation in designing and manufacturing measurement sensors that provide superior product performance, and our products are used every day in critical and essential processes around the world. Dwyer manufactures our high-quality products in the U.S.A., and our presence has expanded over Midwest states – including Indiana and Missouri. 

Dwyer products and solutions improve the world – through the water we drink, the food we eat, the air we breathe, and the technology that we use.