Our phone & fax numbers have changed.

Telephone: 877-704-5625 Fax: 877-704-6835

A Perfect Fit

OEM Quality Cylinders and Locks

GMS: best product, best value, best service

New Catalog!

GMS 2023 Catalog

Check out our 2023 Catalog

Product development is one of GMS’s commitments to the industry. Our new 2023 Catalog includes product information and specifications (including our new products) in an easy-to-use format. View Catalog

About GMS

A Commitment to Quality

Our commitments to quality, value, and customers' needs are the core values at GMS. Since inception, our business and reputation has been built on manufacturing the highest quality, most reliable products in the industry. With unwavering attention to detail, and meeting OEM specifications, we strive to make our products "The Perfect Fit" for all applications where our customers use our cylinders. Read more about GMS

The Full Line Up