1830-present (2011), supplier of garage tools and equipment, London, England, British Buck and Hickman Limited 1830
1898-1931, recording company; gramophone and radio manufacturer, British Gramophone Company Limited 1898 - 1931
1982-1988, pharmaceutical manufacturer, Oxfordshire and Buckinghamshire, English Ortho-Cilag Pharmaceutical Limited 1982 - 1988
1920-1982, manufacturer of radio, television, military and scientific equipment, Slough, England McMichael Limited 1920 - 1982
1968-2006, Manufacturer/ supplier optoelectronic components, Bournemouth, English Integrated Photomatrix Limited 1968 - 2006
1946-current (2021), manufacturer of TV studio equipment, power supply parts, Tokyo Ikegami Tsushinki Company Limited 1946
c. 1968-active 2007, designer, manufacturer and supplier positioning systems, Swindon, England Del Norte Technology Limited 1968
1888-current (2010), medical & scientific instrument manufacturer/ supplier, London, British G H Zeal Limited 1888
1906-current (2018), precision measuring equipment designer, manufacturer and supplier, Sheffield, South Yorkshire, England, British Moore and Wright (Sheffield) Limited 1906
active 1750-current (2009), publishers and printers, London, England, English Shaw & Sons Limited 1750
2011-present (2023), engineering company developing battery-technology, United Kingdom Electroflight Ltd. 2011
1970-current (2011), specialised medical/ industrial equipment manufacture, Essex, British Olympus KeyMed Group Limited 1970
1947-active 2007, model making/designing, building/maintaining leisure transport systems, England, British Severn-Lamb Limited 1947
1873-current (2008), hydrometric system designers, manufacturers and suppliers, Germany OTT Messtechnik GmbH & Co. KG 1873
1958-current (2007), ocean systems, agricultural engineering, Massachusetts, United States The Sippican Corporation 1958
1987-current (2008), manufacture and supply of PC core logic chipsets, Taipei, Taiwan Via Technologies Inc 1987
1931-1968, calculating + duplicating machine maker/ supplier, London & Darlington, British Block and Anderson Limited
1973-2007, mobile data capture/ delivery equipment design/ manufacture, USA, American Symbol Technologies, Inc.
1968-active (2010), pharmaceutical manfacturer; healthcare products, Newbury, Berks, UK Bayer Public Limited Company
1979-current (2010), designer/manufacturer/supplier advertising products, Coalville, England Recognition Express Limited
active 1989-1997, medical equipment supplier, Woodbridge, Suffolk, England, British Hypoguard Limited
2006-current (2008), global warming campaign and merchandise website, USA Global Warming Is Personal, Dappled Path Studio
1984-current (2010), manufacturer/distributor stationery and art products, Edison, New Jersey, USA Pentech International, Inc.
active 1981, disposable clothing manufacturer, Bolton, Lancashire, England, British Kanga Hospital Products Limited
active 2007, biopharmaceutical designer, manufacturer, supplier, Jersey, Channel Islands Diabetology Limited
active 1950-1961, laboratory instrument suppliers, Thames Ditton, Surrey, England, British Laboratory Instruments Limited
active c. 1918-1939?, supplier of a microscope condensor, United Kingdom A Clarkson and Company Limited
1954-1961, electronic research, test/industrial control equipment manufacturer, Farnborough, British Solartron Electronic Group Limited
1881-1929 (1950s), supplier of photographic and cinematographic equipment, London City Sale & Exchange Limited
1979-current (2011), diving/ watersport equipment manufacturer/ supplier, Redcar, Cleveland, British Typhoon International Limited
active 1981, breathing mask manufacturer, Neasden, London, English; British Martindale Protection Limited
active 1891-1924, ironfounders; textile machinists, Blackburn, Lancashire, England, British Henry Livesey Limited