Home About Products Resources Contact Us Calibration Distributor Portal GSG Price Book GSG News Q&A's Video's Customer Satisfaction Survey NEW CATALOG RELEASE The new digital GSG catalog is now viewable. Click on the catalog image to go there. MADE IN THE USA All Glastonbury Southern Gage products are manufactured in the USA by some of the best American Gage Makers. Our story Glastonbury Southern Gage was formed in 1995 when two of the largest and oldest gage companies, Glastonbury Gage and Southern Gage, were united under one owner. Glastonbury Gage was founded in 1964 in Glastonbury, CT by individuals who had trained at Pratt Whitney Machine. From these beginnings, Glastonbury Gage has continually increased its product offering and services. Read More GSG can keep you up on the latest news in the gage industry including our own product lines. We have some exciting things happening throughout the remainder of 2019. Metrology as we know it is changing constantly. New measuring technologies are being released into the market at a steady pace. The challenge that arises from this is correlation. Who's right? GSG examines this area constantly and releases it's findings to keep you up to date. Sign up here for informational emails from Glastonbury Southern Gage. You can opt out from this at any time. What are you waiting for? Give it a try! Sign Up Here Tell us how we are doing Opening Hours Sunday Closed Mon - Fri 8:00 am - 4:30 pm Saturday Closed All Rights Reserved | Glastonbury Southern Gage © 2021 Home About Products Resources Contact Us Calibration Distributor Portal GSG Price Book GSG News Q&A's Video's GSG - Connecticut 87 Upton Rd Colchester, CT 06415 GSG - Tennessee 46 Industrial Park Road Erin, TN 37061 Contact Us CT GSG Ph. (860) 537-7340 Email: sales@gg.gsgage.com TN GSG Ph. (800) 251-4243 Email: sales@gsgage.com We use cookies to ensure that we give you the best experience on our website. If you would like to change your preferences you may do so by following the instructions here. ×