E Leitz
1869 - 1987
Thornton-Pickard Manufacturing Company
1888 - 1939
C P Goerz
1886 - 1926
Kelley, William Van Doren
1876 - 1934
Consolidated Film Industries
1924 - 2000
Louis Schopper
1881 - 1952
Marconi Instruments Limited
1900 - 1998
The DeVry Corporation
1913 - 1929
Albin-Guillot, Laure
1879 - 1962
Vening Meinesz, Felix Andries
1887 - 1966
Westinghouse Electric Corporation
1886 - 1997
The Britannia Works Company Limited
1891 - 1901
Meccano Limited
1908 - 1964
Grimsby & Immingham Electric Railway
1912 - 1961
English Electric Company Limited
1918 - 1968
Great Northern Railway, Ireland
1876 - 1953
Greenbat
1876 - 1987
Megaw, Helen Dick
1907 - 2002
North Sunderland Railway
1892 - 1951
Brechin & Edzell Railway
1890 - 1922
Charnwood Forest Railway
1874 - 1923
Cathcart District Railway
1880 - 1922
Crowhurst, Sidley & Bexhill Railway
1897 - 1907
Barnstaple & Ilfracombe Railway
1870 - 1874
Lanarkshire & Ayrshire Railway
1884 - 1922
Elham Valley Light Railway
1881 - 1884
Cornwall Minerals Railway
1874 - 1896
Greenly, Henry
1876 - 1947
Lee-on-the-Solent Light Railway
1893 - 1922
Ely & Clydach Valleys Railways
1873 - 1880
Llanelli & Mynydd Mawr Railway
1875 - 1922
Broom and Wade Limited
1898 - 1968
Bideford, Westward Ho! & Appledore Railway
1896 - 1917
Harrow & Stanmore Railway
1886 - 1899
North Devon & Cornwall Junction Light Railway
1914 - 1948
Bury & Tottington District Railway
1877 - 1889
Lanarkshire & Dumbartonshire Railway
1891 - 1909
Lampeter, Aberayron & New Quay Light Railway
1906 - 1922
Isle of Axholme Light Railway
1899 - 1902
Leominster & Bromyard Railway
1874 - 1888
Cranbrook & Paddock Wood Railway
1877 - 1887
Eastern & Midlands Railway
1883 - 1893
Derwent Valley Light Railway
1905 - 1980
Cleveland Extension Mineral Railway
1873 - 1898
Greenwood, Orlando
1892 - 1989
Alloa Railway
1879 - 1884
Eaton Railway
1895 - 1947
Latham, Hubert
1883 - 1912
Helston Railway
1880 - 1898
Clogher Valley Railway
1894 - 1928