Imperial Glass Company was created in 1903.
Imperial Automobile Company was created in 1908.
Imperial Tramways Company was created in 1878.
Heisey Glass Company was created in 1895.
Jersey Glass Company was created in 1824.
Westmoreland Glass Company was created in 1889.
Sneath Glass Company was created in 1889.
White Glass Company was created in 1815.
Imperial British East Africa Company was created on 1888-04-18.
Seneca Glass Company Building was created in 1897.
Hazel-Atlas Glass Company was created in 1902.
Fenton Art Glass Company was created in 1905.
Fostoria Glass Company was created on 1887-12-15.