Cole-Parmer is a supplier of contact, non-contact/contact, and non-contact tachometers. Non-contact/contact tachometer categories include laser tachometers, dual-function tachometers, economical digital tachometers, pocket combination tachometers, mini tachometers, high-accuracy tachometers, and combination vibration meter and laser tachometers.

Dynapar distributes the RIM Tach line of digital tachometers for the milling industry. The tachometers are available in thru-shaft or end-of-shaft models, and are designed to provide feedback for AC and DC drive control systems. The tachometers' resolution can reach up to 1,200 pulses per revolution.

Shimpo Instruments manufactures handheld tachometers and panel mount tachometers for industrial and laboratory uses. The company's handheld tachometers come in contact and contact/non-contact models, while the panel mount tachometers are intended for OEM and retrofit markets.

SHIMPO Instruments manufactures force gauges, torque testers, test stands with software, accessories for QA/QC inspection, and R&D testing instruments. Speed measuring instruments include hand held tachometers, portable and fixed stroboscopes, LED stroboscopes, panel tachometers, counters and sensors for industrial and educational applications. Products are inventoried in the United States. ISO 9001 and ISO 14001 certified with N.I.S.T. traceable calibration available.