we specialize in restoration of historic stained glass and the design and fabrication of custom stained and leaded glass ... one of the partners is a certified preservationist ... Glass heritage, llc is a fully accredited studio of the Stained Glass Association of America, and John Watts is an active member of the Board of Directors ... we also maintain a full service glass blowing facility for both custom work and wholesale lines ... our work is located in 31 states and 3 foreign countries