"SDI is a family-owned company that operates under a very important motto: Quality is Job #1. SDI was started by Michael James Patrick Shannon in 1990 out of his own home garage. Since then, our company has evolved from a small home-garage business to a successful large-scale company employing over 65 people."
800-794-2345
1360 East Locust Street [email protected]
https://sdiquality.com/
"SDI is a family-owned company that operates under a very important motto: Quality is Job #1. SDI was started by Michael James Patrick Shannon in 1990 out of his own home garage. Since then, our company has evolved from a small home-garage business to a successful large-scale company employing over 65 people."