John Davy Senior

Part of Oxford Instruments Plc, Oxford Instruments Plasma Technology Ltd. is a leading provider of high technology products and services for research and industry. The company is based in Bristol, UK. The British company's Wavelength Dispersive Spectroscopy (WDS) System, WAVE, provides the finest resolution of elements present in a sample in a SEM or FIB, making it ideal for trace element detection. Andor’s CCD, sCMOS and EMCCD cameras provide high sensitivity, high dynamic range and fast detection for table-top laboratory and beamline experiments. Additionally, the company offers Imaris, the world's leading interactive microscopy image analysis software used by microscopists around the world.

Guidance Ltd. is an investment holding company incorporated on 30th July 2002 under the laws of the British Virgin Islands. The issued share capital of Guidance Limited is 10.0%-owned by Cai Qiang, 13.5%-owned by Li Ming, 10.5%-owned by Li Wo Hing, 17.5%-owned by Zhao Tong, 17.5%-owned by Zhao Ying, 18.5%-owned by Zhou Hong and 12.5%-owned by Chan Shut Li, William. It holds 39.66% shareholdings of petrotech.

Part of Oxford Instruments Plc, Resonance Instruments Ltd. is a British company that produces low-resolution nuclear magnetic resonance instruments. The company is based in Abingdon, UK. Resonance Instruments was acquired by Oxford Instruments Plc on September 30, 2004 for $5.40 million.

Oxford Instruments Analytical Oy designs and manufactures technology tools and systems for the research, education, space, energy, defense, and healthcare sectors. The company is headquartered in Espoo, Finland

Oxford Instruments America, Inc. designs and manufactures hi-tech tools and systems. The company is headquartered in Concord, MA.

Omicron Nanotechnology GmbH manufactures and supplies analytical instrumentation solutions. Its solutions include scanning probe microscopy, electron spectroscopy, thin film solutions and tailored systems. The company was founded by Norbert Nold in 1984 is headquartered in Taunusstein, Germany.

Part of Spirax-Sarco Engineering Plc, Watson-Marlow Ltd. is a British company that specializes in the manufacture of pumps and other industrial fluid control equipment. The company is based in Falmouth, UK and was founded in 1990.

Part of Spirax-Sarco Engineering Plc, Chromalox (UK) Ltd. is a British company that markets and sells electrical heating and control systems. The company is based in Croydon, UK and was founded in 2001.

Oxford Instruments Molecular Biotools Ltd. provides technology tools and systems for research and industry. The company is headquartered in Abingdon, the United Kingdom.

Part of Spirax-Sarco Engineering Plc, Spirax-Sarco Ltd. is a British company founded in 1952 that develops solutions to transform thermal energy. Based in Cheltenham, UK, the company offers a comprehensive range of steam engineering tools to help manage, plan, and design steam systems. Steam is a versatile option that can heat or sterilize almost any industrial process, making it a popular choice worldwide. The company supports sustainability by optimizing efficiency and decarbonizing processes.

London Stock Exchange Plc, operates as a stock exchange. It offers capital market, trading, information, derivatives, studio, regulatory, enhanced, connectivity, telephone network, reference and historical data, historic price, corporate action, trade data, valuation data, broker ranking, matching and reconciliation. The company was founded in 1571 and is headquartered in London, the United Kingdom.

Part of Spirax-Sarco Engineering Plc, Etirex SAS is a French company that manufactures household appliances. The company is based in Noyant-et-Aconin, France. The company was founded in 1960. Kevin James Boyd has been the CEO of the company since 2018.

Omniprobe, Inc. is an industry leader in the manufacturing of accessories enabling 'nano-lab' capabilities for electron and ion beam microscopes. Products include innovative nano-manipulation products for electrical/mechanical testing and sample preparation as well as gas injector systems. The original flagship product is the AutoProbe 100.1 for TEM sample prep via the 'in-situ lift-out' method. Incorporated in 1999, Omniprobe has leveraged their vision of 'time-saving tools designed by expert users' into a successful enterprise that has become the number one volume seller of in-situ chamber-mounted manipulation tools for TEM sample prep. The products service all sectors of the science community, from nanotechnology to biology to semiconductor. Omniprobe's development team includes several employees that formerly held Senior Member of Technical Staff or higher positions at Texas Instruments in Dallas, as well as diverse education backgrounds ranging from Microbiology to Materials Science, Physics and Electrical Engineering.

Perfect Image Ltd. provides information technology solutions. It offers software development, data analytics, consultancy, and managed services. The company was founded by Andrew John Robson in 1991 and is headquartered in Newcastle-upon-Tyne, the United Kingdom.

TYC You Ltd. provides online wellness solutions. It offers Key to Life, a wellness system for workplace use with support from medical professionals, to manage, monitor health and receive guidance. The company was founded by Mohammed Hossain Rezeai in 2007 and is headquartered in Newcastle upon Tyne, the United Kingdom.

Founded in 1978, Oxford Instruments AFM Ltd. is a subsidiary of Oxford Instruments Plc and engages in holding and developing intellectual property. The company is based in Abingdon, UK.

Part of Oxford Instruments Plc, Oxford Instruments Service LLC is a company that manufactures, sells, and services superconducting magnets, wire products, and magnetic resonance imaging magnets. The company is based in Carteret, NJ.

Vacgen UHV Ltd. provides manufacturing and light engineering of scientific equipment. The private company is based in London, UK and was founded in 2000.

Part of Oxford Instruments Plc, Oxford Instruments UK 2013 Ltd. functions as an investment holding company. The company is based in Oxon, UK and was founded in 2013.

Trebartha Estates Ltd. is a British company that provides real estate rental services. The private company is based in Launceston, UK. The company was founded in 1940.

Founded in 2018, Cybit Group Ltd. is a holding British company that focuses on cloud-centric IT and data services. Part of Chiltern Capital Nominees (Pixel) Ltd., the company is based in Newcastle-upon-Tyne, UK.

Part of Oxford Instruments Plc, Oxford Instruments GmbH is a leading provider of high technology products and services for research and industry. The company is based in Wiesbaden, Germany. The CEOs of the German company are Dirk Keune, Gavin Fenton Hill.