Date
1908-2000, pharmaceutical research/ manufacturer, Chicago, Illinois, USA, American

G D Searle and Company

1908 - 2000

active 1839-1889, pharmaceutical manufacturer, Dagenham, London, England

May and Baker

1839 - 1889

1873-1970s, pharmaceutical manufacturer and retailer, London, England

W Martindale

1873 - 1979

1870-1955, pharmaceutical manufacturer, British

Kemball, Bishop and Company Limited

1870 - 1955

1880-1941, pharmaceutical manufacturer, London, England, British

Burroughs Wellcome and Company Limited

1880 - 1941

active 1977-current (2008), pharmaceutical manufacturer, Roth, Bavaria, Germany, German

Nutrichem GmbH

1977

1892-1950s, pharmaceutical manufacturer, Croydon, England (British branch of an American company)

Anglo-American Pharmaceutical Company Limited

1892

1922-, pharmaceutical manufacturer, Huddersfield, England

Thornton and Ross Limited

1922

1953-current (2009), pharmaceutical manufacturer, Hoddesdon, England

Merck, Sharp and Dohme Limited

1953

active 1840-current (2008), pharmaceutical manufacturer, British

Alfred Fennings

active 1891-1970, pharmaceutical manufacturer, British arm of Amercian company

Parke, Davis and Company Limited

c1875-1900, manufacturer of pharmaceutical products

Perry

active 1957-1993, pharmaceutical manufacturer, England

Imperial Chemical Industries Limited (Pharmaceuticals Division)

active 1993-2001, manufacturer of pharmaceuticals, British

SmithKline Beecham Pharmaceuticals

active 1942-current (2009), pharmaceutical manufacturer, English

Imperial Chemical (Pharmaceuticals) Limited

active 1900-1920, pharmaceutical manufacturer, Darmstadt, Germany, German

E Merck

1874-1961, pharmaceutical manufacturer, Radebeul, Germany

Chemische Fabrik von Heyden AG

active 1906-1950s, pharmaceutical manufacturer of human and animal medicine, UK subsiduary, German

Bayer Products Limited

active 1938-current (2009), pharmaceutical manufacturer, London, England

Roussel Laboratories Limited

active 1952-current (2010), pharmaceutical manufacturer, United Kingdom

Pfizer Limited

active 1940-1965?, pharmaceutical manufacturer, Wokingham, England

E Merck Limited

active 1871-1900, pharmaceutical manufacturer, Scottish, British

T & H Smith

active 1860-1910, pharmaceutical manufacturer, London & Essex

Howards & Sons

active 1910s-1950, pharmaceutical manufacturer, London & Essex

Howards & Sons Ltd

active 1890-1991, pharmaceutical manufacturer, Dagenham, London, England

May and Baker Limited

active 1948, manufacturers of food preparations and pharmaceuticals, Holmes Chapel, Cheshire

Benger's Limited

active 1871-1970, pharmaceutical manufacturer, American

Parke, Davis and Company Inc.