Factory "A" Tenth Street, Pittsburgh, Pa.
Producing High-Grade Lead Blown Tumblers and Vases, and the ccelebrated Non-Chip Edge Tumblers.
Factory "B" Twenty-first Street, Pittsburgh, Pa.
The celebrated One-Piece Glass Collar Lamps, Jars, Tablewares, Lighting Glassware, and Venetain Murano Bowls.
Venetain Colored Glassware produced in Amethyst, Sapphire and Topaz.
Factory "D" Geo. Duncan and Sons, Pittsburg, PA
Factory "T" Tiffin, Tiffin, OH
Bryce Brothers Company, Mount Pleasant, Pa.