Quality Thermistor Inc. manufactures temperature sensor products including miniature thermistor temperature sensors used for applications such as body temperature measurement and thermal profiling of electronics. The company also produces negative and positive temperature coefficient thermistors, NTC thermistor probes, and military and aerospace products.

Lakeshore manufactures ten types of cyrogenic temperature sensors including: silicon diodes, ruthenium oxide, carbon-glass, cernox, gaAIAs diodes, thermocouples, platinum, germanium, rhodium-iron, and capacitance.