MKS Instruments, Inc. is an American

process control An industrial process control in continuous production processes is a discipline that uses industrial control systems to achieve a production level of consistency, economy and safety which could not be achieved purely by human manual control. I ...

instrumentation company. It is headquartered in

Andover, Massachusetts Andover is a town in Essex County, Massachusetts, United States. It was settled in 1642 and incorporated in 1646."Andover" in ''The New Encyclopædia Britannica''. Chicago: Encyclopædia Britannica Inc., 15th ed., 1992, Vol. 1, p. 387. As of th ...

History

MKS Instruments was founded in 1961 as a provider of products and technologies used to measure, control, power, and monitor critical process parameters of advanced manufacturing processes. In 2001, the company acquired Emerson Electric's ENI Division which makes solid-state RF and DC plasma power supplies, networks and instruments. In April 2014, Brooks Automation entered into an agreement to sell its Granville-Phillips division to MKS Instruments. MKS Instruments more than doubled their addressable market by acquiring the Newport Corporation and its subsidiaries, including

Ophir Optronics Ophir Optronics Solutions is a multinational company that sells optronics solutions. The company develops, manufactures and markets infrared (IR) optics and laser measurement equipment. Founded in 1976, the company was traded on the Tel Aviv St ...

, for $980 million ($1.2 billion

inflation-adjusted In economics, nominal value is measured in terms of money, whereas real value is measured against goods or services. A real value is one which has been adjusted for inflation, enabling comparison of quantities as if the prices of goods had not c ...

) in a 2016 leveraged buyout. It acquired

Electro Scientific Industries Electro Scientific Industries, Inc. (ESI) is an American high technology company headquartered in the Portland, Oregon, metropolitan area, specifically in Beaverton, Oregon, since 2021, but from 1963–2021 it was based in the unincorporated ...

in 2019 and

Atotech Atotech is an international Adhesives, speciality chemicals and equipment company. It provides chemistry and equipment for companies that manufacture printed circuit boards, IC-substrates and semiconductors; and also provides specialty chemicals an ...

in 2021. In 2021, MKS Instruments had about 5,400 employees and a market capitalization of about $11 billion. As of 2021, sixty percent of the company's sales are from

semiconductor A semiconductor is a material which has an electrical resistivity and conductivity, electrical conductivity value falling between that of a electrical conductor, conductor, such as copper, and an insulator (electricity), insulator, such as glas ...

products.

Indexed with

PHLX Semiconductor Sector The PHLX Semiconductor Sector (SOX) is a Philadelphia Stock Exchange capitalization-weighted index composed of the 30 largest U.S. companies primarily involved in the design, distribution, manufacture, and sale of semiconductors. It was created in ...

* S&P 400 *

Russell 1000 Index The Russell 1000 Index is a stock market index that tracks the highest-ranking 1,000 stocks in the Russell 3000 Index, which represent about 93% of the total market capitalization of that index. , the stocks of the Russell 1000 Index had a weighted ...

References

External links

* {{Finance links , name = MKS Instruments , symbol = MKSI , yahoo = MKSI , google = MKSI , sec_cik = 1049502 American companies established in 1961 Companies based in Massachusetts Companies listed on the Nasdaq