Instrument-making corporations

Siemens AG ( ) is a German multinational technology company. It is focused on industrial automation, building automation, rail transport and health technology. Siemens is the largest engineering company in Europe, and holds the position of global market leader in industrial AI, automation, and industrial software.

Honeywell International Inc. is an American publicly traded, multinational conglomerate corporation headquartered in Charlotte, North Carolina. It primarily operates in four areas of business: aerospace, building automation, industrial automation, and energy and sustainability solutions (ESS). Honeywell also owns and operates Sandia National Laboratories under contract with the U.S. Department of Energy. Honeywell is a Fortune 500 company, ranked 115th in 2023. In 2025, the corporation had a global workforce of approximately 101,000 employees. As of 2025, its chairman and chief executive offic

American life sciences company that provides instruments, software, services, and consumables for the entire laboratory workflow

Japanese electrical engineering company

American company

public company

PerkinElmer, Inc., previously styled Perkin-Elmer, is an American global corporation that was founded in 1937 and originally focused on precision optics. Over the years it went into and out of several different businesses via acquisitions and divestitures; these included defense products, semiconductors, computer systems, and others. By the 21st century, PerkinElmer was focused in the business areas of diagnostics, life science research, food, environmental and industrial testing. Its capabilities include detection, imaging, informatics, and service. It produced analytical instruments, genetic

thumb|Micrometer by Mitutoyo is a Japanese multinational corporation specializing in measuring instruments and metrological technology, headquartered at Takatsu-ku, Kawasaki, Kanagawa.

is a Japanese public KK company, manufacturing precision instruments, measuring instruments and medical equipment, based in Kyoto, Japan. It was established in 1875. The American arm of the company, Shimadzu Scientific Instruments, was founded in 1975.

company

Keysight Technologies, Inc. is a global company headquartered in Santa Rosa, CA, that manufactures hardware and software for engineering workflows across design, test, and emulation. It serves industries including communications (5G/6G/NTN), aerospace and defense, AI/data center networking, automotive, semiconductors, digital healthcare, quantum computing, and energy.

company

AlliedSignal was an American aerospace, automotive and engineering company, created through the 1985 merger of Allied Corp. and The Signal Companies. It purchased Honeywell for $14.8 billion in 1999, and adopted the Honeywell name and identity.

is a Japanese leading manufacturer of automatic test equipment (ATE) for the semiconductor industry, and a manufacturer of measuring instruments used in the design, production and maintenance of electronic systems including fiber optic and wireless communications equipment and digital consumer products. Based in Tokyo, Advantest produces Memory, SoC and RF test systems.

American manufacturing and engineering company (1924–1983)

Brüel & Kjær

is a major developer and manufacturer of electron microscopes and other scientific instruments, industrial equipment and medical equipment.

American manufacturer of electronic test equipment

CAMECA is a manufacturer of scientific instruments, namely material analysis instruments based on charged particle beam, ions, or electrons.

manufacturer of test equipment

Endress+Hauser (Endress and Hauser) is a Swiss-based globally operating process and laboratory instrumentation and automation supplier.

British computer company

Bruker Corporation is an American manufacturer of scientific instruments for molecular and materials research, as well as for industrial and applied analysis. It is headquartered in Billerica, Massachusetts, and is the publicly traded parent company of Bruker Scientific Instruments (Bruker AXS, Bruker BioSpin, Bruker Daltonics and Bruker Optics) and Bruker Energy & Supercon Technologies (BEST) divisions.

American telescope manufacturer

division of Hexagon AB

EG&G, formally known as Edgerton, Germeshausen, and Grier, Inc., was an American national defense contractor and provider of management and technical services. The company was involved in contracting services to the United States government during World War II and conducted the research and development on the nuclear weapons during the Cold war era (from 1948 and onward) together with the American national laboratories in Nevada Test Site.