1900-1995, manufacturer of earthenware; manufacturer of majolica, Stoke on Trent, England Grimwades Limited 1900 - 1995
1898-1985, graphic artist and portrait painter, Newcastle; English Gilroy, John Thomas Young 1898 - 1985
1900-1915, manufacturer of pharmaceuticals, Chicago, United States Abbott Alkaloidal Company 1900 - 1915
1900-1907, manufacturer of electrical measuring equipment, Glasgow, Scotland Kelvin and White 1900 - 1907
1898-1907, manufacturer of steam powered vehicles, Paris, France Gardner-Serpollet Company 1898 - 1907
1900-1998, electrical/electronic measurement instrument manufacturer, England Marconi Instruments Limited 1900 - 1998