1898-1931, recording company; gramophone and radio manufacturer, British Gramophone Company Limited 1898 - 1931
1830-present (2011), supplier of garage tools and equipment, London, England, British Buck and Hickman Limited 1830
1982-1988, pharmaceutical manufacturer, Oxfordshire and Buckinghamshire, English Ortho-Cilag Pharmaceutical Limited 1982 - 1988
1968-2006, Manufacturer/ supplier optoelectronic components, Bournemouth, English Integrated Photomatrix Limited 1968 - 2006
1920-1982, manufacturer of radio, television, military and scientific equipment, Slough, England McMichael Limited 1920 - 1982
1906-current (2018), precision measuring equipment designer, manufacturer and supplier, Sheffield, South Yorkshire, England, British Moore and Wright (Sheffield) Limited 1906
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
active 1750-current (2009), publishers and printers, London, England, English Limited, Shaw & Sons 1750
2011-present (2023), engineering company developing battery-technology, United Kingdom Electroflight Ltd. 2011
1958-current (2007), ocean systems, agricultural engineering, Massachusetts, United States The Sippican Corporation 1958
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
1987-current (2008), manufacture and supply of PC core logic chipsets, Taipei, Taiwan Via Technologies Inc 1987
1873-current (2008), hydrometric system designers, manufacturers and suppliers, Germany OTT Messtechnik GmbH & Co. KG 1873
1954-1961, electronic research, test/industrial control equipment manufacturer, Farnborough, British Solartron Electronic Group Limited
active 1981, breathing mask manufacturer, Neasden, London, English; British Martindale Protection Limited
1931-1968, calculating + duplicating machine maker/ supplier, London & Darlington, British Block and Anderson Limited
active c. 1918-1939?, supplier of a microscope condensor, United Kingdom A Clarkson and Company Limited
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 1981, disposable clothing manufacturer, Bolton, Lancashire, England, British Kanga Hospital Products Limited
active 1989-1997, medical equipment supplier, Woodbridge, Suffolk, England, British Hypoguard Limited
1984-current (2010), manufacturer/distributor stationery and art products, Edison, New Jersey, USA Pentech International, Inc.
active 2007, biopharmaceutical designer, manufacturer, supplier, Jersey, Channel Islands Diabetology Limited
2006-current (2008), global warming campaign and merchandise website, USA Global Warming Is Personal, Dappled Path Studio
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 1950-1961, laboratory instrument suppliers, Thames Ditton, Surrey, England, British Laboratory Instruments Limited