Welcome to the Mark III Metrology, Inc Website

We are a calibration lab located in Florence, South Carolina and are mainly set up for electrical and electronic calibration. The calibrations are NIST traceable and are performed in our temperature and humidity controlled lab. If you have calibration needs that are not listed, please contact us to determine availability. We strive for fast turn around to our customers and our shipping travel times are typically only two days for the east coast.

We calibrate the following:

We are happy to announce we now have the capability to calibrate pressure instruments.

Please visit our pressure calibration page or This e-mail address is being protected from spambots. You need JavaScript enabled to view it for more information.