Mustain Glass Company was established in February 1954 in Danville, VA.

In June of 1987 its main office moved to its current location at 124 Mall Drive Danville, VA and began doing business as Piedmont Glass.

A branch office was opened in July 2001 at 512 Chalmers Street South Boston, VA.

A new building was built at 221 Webster Street for Piedmont Glass in South Boston, VA, and a grand opening was held on March 6th, 2009.