OSIsoft

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title: "OSIsoft" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["time-series-software", "data-analysis-software", "data-and-information-visualization-software", "manufacturing-execution-system-software", "software-companies-established-in-1980", "software-companies-based-in-the-san-francisco-bay-area", "companies-based-in-san-leandro,-california", "1980-establishments-in-california", "defunct-software-companies-of-the-united-states", "2021-mergers-and-acquisitions"] description: "American software company, 1980 to 2021" topic_path: "geography/united-states" source: "https://en.wikipedia.org/wiki/OSIsoft" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary American software company, 1980 to 2021 ::

::data[format=table title="Infobox company"]

Field	Value
name	OSIsoft, LLC
logo	OSIsoft logo.jpg
type	Private
image	BART parking lot at San Leandro station, January 2018.JPG
image_caption	OSIsoft building on the San Leandro Tech Campus, adjacent to San Leandro BART
foundation	1980
founder	J. Patrick Kennedy
defunct
fate	Acquired
successor	Aveva
location	San Leandro, California, USA
key_people	J. Patrick Kennedy (CEO)
Michael Siemer (President)
num_employees	1300 (2016)
industry	Application software
products	PI System PI ProcessBook PI Server PI DataLink PI Vision
homepage
::

|name = OSIsoft, LLC |logo = OSIsoft logo.jpg |type = Private |image = BART parking lot at San Leandro station, January 2018.JPG |image_caption = OSIsoft building on the San Leandro Tech Campus, adjacent to San Leandro BART |company_slogan = |foundation = 1980 |founder = J. Patrick Kennedy |defunct = |fate = Acquired |successor = Aveva |location = San Leandro, California, USA |key_people = J. Patrick Kennedy (CEO) Michael Siemer (President) |num_employees = 1300 (2016) |industry = Application software |products = PI System PI ProcessBook PI Server PI DataLink PI Vision |homepage = OSIsoft, LLC was a manufacturer of application software for real-time data management, called the PI System. Founded in 1980, OSIsoft was privately held and headquartered in San Leandro, California. In August 2020, it was announced that the UK-based production company AVEVA agreed to buy OSIsoft in a deal worth $5 billion; the purchase was subsequently completed on 19 March 2021 for a final consideration of £3,831.4 million.

History

On January 5, 2011, OSIsoft announced a $135 million minority investment by Technology Crossover Ventures and Kleiner Perkins Caufield & Byers.

Lit San Leandro, a business associated with OSIsoft, has built a fiber-optic network in the city of San Leandro, linking high tech and other businesses. They have also proposed providing a high-speed fiber-optic network for the industrial corridor in nearby Hayward.

References

References

1. "Completion of Acquisition of OSIsoft, LLC".
2. (August 25, 2020). "Aveva to buy US tech group OSIsoft in $5bn deal". [[Financial Times]].
3. "Completion of Acquisition of OSIsoft, LLC".
4. "Annual Report 2021".
5. "News".
6. [http://www.kqed.org/a/kqednews/RN201201180633/c KQED Jan 18 2012 OSIsoft and Lit San Leandro Bringing Fiber-Optic to Tech Firms]

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::