# OSIsoft

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{{Short description|American software company, 1980 to 2021}}
{{Infobox company
|name           = OSIsoft, LLC
|logo           = OSIsoft logo.jpg
|type           = [Private](/source/Privately_held_company)
|image          = BART parking lot at San Leandro station, January 2018.JPG
|image_caption  = OSIsoft building on the [San Leandro Tech Campus](/source/San_Leandro_Tech_Campus), adjacent to [San Leandro BART](/source/San_Leandro_(BART_station))
|company_slogan = 
|foundation     = {{nowrap|1980}}
|founder        = J. Patrick Kennedy
|defunct        = {{End date and age|2021|3|19}}<ref>{{Cite web|title=Completion of Acquisition of OSIsoft, LLC|url=https://tools.eurolandir.com/tools/Pressreleases/GetPressRelease/?ID=3885136&lang=en-GB&companycode=uk-avv&v=|access-date=2021-09-24|website=tools.eurolandir.com|archive-date=2021-07-09|archive-url=https://web.archive.org/web/20210709183019/https://tools.eurolandir.com/tools/Pressreleases/GetPressRelease/?ID=3885136&lang=en-GB&companycode=uk-avv&v=|url-status=dead}}</ref>
|fate           = Acquired
|successor      = [Aveva](/source/Aveva)
|location       = [San Leandro, California](/source/San_Leandro%2C_California), USA
|key_people     = J. Patrick Kennedy ([CEO](/source/Chief_executive_officer))<br />Michael Siemer ([President](/source/President_(corporate_title)))
|num_employees  = >1300 <small>(2016</small>)
|industry       = [Application software](/source/Application_software)
|products       = PI System {{·}} PI ProcessBook {{·}} PI Server {{·}} PI DataLink {{·}} PI Vision
|homepage       = {{Url|osisoft.com}}
}}
'''OSIsoft, LLC''' was a manufacturer of [application software](/source/application_software) for real-time data management, called the PI System. Founded in 1980, OSIsoft was privately held and headquartered in [San Leandro, California](/source/San_Leandro%2C_California). In August 2020, it was announced that the UK-based production company [AVEVA](/source/Aveva) agreed to buy OSIsoft in a deal worth $5 billion;<ref>{{Cite news|url=https://www.ft.com/content/a85ae32c-bf0e-4d8f-9983-3a287c6189c7|title=Aveva to buy US tech group OSIsoft in $5bn deal|last1=Provan|first1=Sarah|last2=Fildes|first2=Nic|date=August 25, 2020|work=[Financial Times](/source/Financial_Times)|access-date=August 25, 2020}}</ref> the purchase was subsequently completed on 19 March 2021 for a final consideration of £3,831.4 million.<ref>{{Cite web|title=Completion of Acquisition of OSIsoft, LLC|url=https://tools.eurolandir.com/tools/Pressreleases/GetPressRelease/?ID=3885136&lang=en-GB&companycode=uk-avv&v=|access-date=2021-09-24|website=tools.eurolandir.com|archive-date=2021-07-09|archive-url=https://web.archive.org/web/20210709183019/https://tools.eurolandir.com/tools/Pressreleases/GetPressRelease/?ID=3885136&lang=en-GB&companycode=uk-avv&v=|url-status=dead}}</ref><ref>{{Cite web|title=Annual Report 2021|url=https://investors.aveva.com/annualreport/docs/Annual_Report_2021.pdf|access-date=24 September 2021|website=AVEVA}}</ref>

==History==
On January 5, 2011, OSIsoft announced a $135 million minority investment by [Technology Crossover Ventures](/source/Technology_Crossover_Ventures) and [Kleiner Perkins Caufield & Byers](/source/Kleiner_Perkins_Caufield_%26_Byers).<ref>{{Cite press release|url=http://www.businesswire.com/news/home/20110105006161/en/OSIsoft-Announces-135-Million-Minority-Investment-Technology|title = News}}</ref>

Lit San Leandro, a business associated with OSIsoft, has built a [fiber-optic network](/source/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](/source/Hayward%2C_California).<ref>[http://www.kqed.org/a/kqednews/RN201201180633/c KQED Jan 18 2012 OSIsoft and Lit San Leandro Bringing Fiber-Optic to Tech Firms]</ref>

== References ==
{{Reflist|30em}}

{{Authority control}}

Category:Time series software
Category:Data analysis software
Category:Data and information visualization software
Category:Manufacturing execution system software
Category:Software companies established in 1980
Category:Software companies based in the San Francisco Bay Area
Category:Companies based in San Leandro, California
Category:1980 establishments in California
Category:Defunct software companies of the United States
Category:2021 mergers and acquisitions

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Adapted from the Wikipedia article [OSIsoft](https://en.wikipedia.org/wiki/OSIsoft) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/OSIsoft?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.