The Bead Museum
Bergstrom-Mahler Museum
The Corning Museum of Glass
Historical Glass Museum Foundation
National Heisey Glass Museum
The National Museum of American Art and its Renwick Gallery
The National Marble Museum
20-30-40 Society, Inc.
Angela Bowey's Glass Museum On Line
Early American Pattern Glass Society
Fenton Art Glass Collectors of America
Fostoria Glass Collectors, Inc.
Fostoria Glass Society of America, Inc.
National American Glass Club, Ltd.
National Cambridge Collectors, Inc./Cambridge Glass Museum
National Depression Glass Association
National Duncan Glass Society
National Fenton Glass Society, Inc.
National Imperial Glass Collectors' Society 
Old Morgantown Glass Collectors' Guild
Pressed Glass Collectors Club
Tiffin Glass Collectors Club
Eva Zeisel Collectors Club
Glass Art Society
Society Of Glass Beadmakers