Adams & Company, Pittsburgh PA 1851-1891
The Aetna Glass & Mfg. Co., Belaire Ohio 1880-1888
Atterbury & Co., Pittsburgh PA 1858-1893
Bakewell & Ensell, Pittsburgh PA 1807-1809
Bakewell & Co., Pittsburgh PA 1809-1824
Bakewell, Page & Bakewell, Pittsburgh PA 1824-1836
Bakewell, Pears & Co., Pittsburgh PA 1836-1882
Alexander J. Beatty Sons, Steubenville Ohio 1850-1891
The Beatty Brady Glass Co., Tiffin Ohio 1850-1891
The Beaumont Glass Co., Martins Ferry, Ohio 1895-1905
The Bellaire Goblet Co., Bellaire Ohio 1878-1891
The Belmont Glass Co., Bellaire Ohio 1866-1890
The Boston & Sandwich Glass Co., Boston Mass. 1826-1888
The Boston & Silver -Glass Co., East Cambridge Mass 1857-1871
The Brilliant Glass Works, Brilliant Ohio 1880-1889
Bryce, McKee & Co., Pittsburgh PA 1850-1854
Bryce, Richards & Co., Pittsburgh PA 1854-1865
Bryce Brothers, Pittsburgh PA 1882-1891
Bryce Brothers, Mt. Pleasant PA 1896-1905
Bryce Higbee & Co., Pittsburgh PA 1879-1900
The J.B. Higbee Glass Co., Pittsburgh PA 1900-1915
The Cambridge Glass Co., Cambridge Ohio 1901-1907
The Cambridge Glass Co., Pittsburgh PA 1907-1960
Campbell, Jones & Co., Pittsburgh PA 1865-1886
Jones, Cavitt & Co., Pittsburgh PA 1886-1895
The Canton Glass Co., Canton Ohio 1883-1889
The Central Glass Co., Wheeling West VA 1863-1939
Challinor, Taylor & Co Ltd., Pittsburgh & Tarentum, PA 1866-1891
The Columbia Glass Co., Findlay Ohio 1886-1891
The Co-Operative Flint Glass Co., Ltd., Beaver Falls PA 1889-1937
The Beaver Falls Co-Operative Glass Co., Beaver Falls PA 1879-1889
