Omega Engineering, Inc. delivers thermistors, thermistor probes, thermistor elements and thermistor sensors. Product line includes quick disconnect thermistor probes, general purpose thermistor probes, wall mount thermistor sensors, thermistor elements with lead wires, surface measurement thermistor elements, and precision and specialized thermistor probes.

Fluke offers standard and secondary probe thermistors. The series of standard thermistors includes three models with a temperature range of 0 °C to 60 °C and two models with a temperature range of 0 °C to 100 °C. The series of secondary probe thermistors includes five models with a temperature range of 0 °C to 100 °C.