1. 1886 Wilcox Window Glass Co.
2. 1886 Findlay Window Glass Co.
3. 1887 Buckeye Window Glass Co.
4. 1887 Hirsh Ely & Co.
5. 1887 Ohio Window Glass Co.
6. 1889 United Glass Co.
7. 1889 West Park Window Glass Co.
8. 1889 Globe & Chimney Works
9. 1890 Werner Glass Co.
10. 1890 Union Window Glass Co.
11. 1891 Richard Libbey Glass Factory
12. 1892 Diamond Window Glass Co.
13. 1894 Creighton Novelty Glass Co.
14. 1895 Globe Window Glass Co.
15. 1906 Findlay Glass Co.