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screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><style data-mw-deduplicate="TemplateStyles:r1242257876">.mw-parser-output .ib-company .infobox-label{padding-right:0.5em}.mw-parser-output .ib-company .infobox-data,.mw-parser-output .ib-company .infobox-below{line-height:1.35em}.mw-parser-output .ib-company-logo img{background-color:#f8f9fa}.mw-parser-output .ib-company-locality,.mw-parser-output .ib-company-country{display:inline}</style><table class="infobox ib-company vcard"><caption class="infobox-title fn org">OSIsoft, LLC</caption><tbody><tr><td colspan="2" class="infobox-image ib-company-logo logo"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:OSIsoft_logo.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/7/7b/OSIsoft_logo.jpg/220px-OSIsoft_logo.jpg" decoding="async" width="220" height="81" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/7/7b/OSIsoft_logo.jpg/330px-OSIsoft_logo.jpg 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/7/7b/OSIsoft_logo.jpg/440px-OSIsoft_logo.jpg 2x" data-file-width="521" data-file-height="191" /></a></span></td></tr><tr><td colspan="2" class="infobox-image ib-company-logo logo"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:BART_parking_lot_at_San_Leandro_station,_January_2018.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/BART_parking_lot_at_San_Leandro_station%2C_January_2018.JPG/220px-BART_parking_lot_at_San_Leandro_station%2C_January_2018.JPG" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/BART_parking_lot_at_San_Leandro_station%2C_January_2018.JPG/330px-BART_parking_lot_at_San_Leandro_station%2C_January_2018.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/BART_parking_lot_at_San_Leandro_station%2C_January_2018.JPG/440px-BART_parking_lot_at_San_Leandro_station%2C_January_2018.JPG 2x" data-file-width="5184" data-file-height="3888" /></a></span><div class="infobox-caption">OSIsoft building on the <a href="/wiki/San_Leandro_Tech_Campus" title="San Leandro Tech Campus">San Leandro Tech Campus</a>, adjacent to <a href="/wiki/San_Leandro_(BART_station)" class="mw-redirect" title="San Leandro (BART station)">San Leandro BART</a></div></td></tr><tr><th scope="row" class="infobox-label">Company type</th><td class="infobox-data category"><a href="/wiki/Privately_held_company" title="Privately held company">Private</a></td></tr><tr><th scope="row" class="infobox-label">Industry</th><td class="infobox-data category"><a href="/wiki/Application_software" title="Application software">Application software</a></td></tr><tr><th scope="row" class="infobox-label">Founded</th><td class="infobox-data"><span class="nowrap">1980</span></td></tr><tr><th scope="row" class="infobox-label">Founder</th><td class="infobox-data agent">J. Patrick Kennedy</td></tr><tr><th scope="row" class="infobox-label">Defunct</th><td class="infobox-data">March 19, 2021<span class="noprint">; 3 years ago</span><span style="display:none"> (<span class="dtend">2021-03-19</span>)</span><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label">Fate</th><td class="infobox-data">Acquired</td></tr><tr><th scope="row" class="infobox-label">Successor</th><td class="infobox-data"><a href="/wiki/Aveva" title="Aveva">Aveva</a></td></tr><tr><th scope="row" class="infobox-label">Headquarters</th><td class="infobox-data label"><a href="/wiki/San_Leandro,_California" title="San Leandro, California">San Leandro, California</a>, USA</td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Key people</div></th><td class="infobox-data agent">J. Patrick Kennedy (<a href="/wiki/Chief_executive_officer" title="Chief executive officer">CEO</a>)<br />Michael Siemer (<a href="/wiki/President_(corporate_title)" title="President (corporate title)">President</a>)</td></tr><tr><th scope="row" class="infobox-label">Products</th><td class="infobox-data">PI System  <b>·</b>  PI ProcessBook  <b>·</b>  PI Server  <b>·</b>  PI DataLink  <b>·</b>  PI Vision</td></tr><tr><th scope="row" class="infobox-label"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Number of employees</div></th><td class="infobox-data">>1300 <small>(2016</small>)</td></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="http://osisoft.com">osisoft<wbr />.com</a></span></td></tr></tbody></table> <p><b>OSIsoft, LLC</b> is a manufacturer of <a href="/wiki/Application_software" title="Application software">application software</a> for real-time data management, called the PI System. Founded in 1980, OSIsoft was privately held and headquartered in <a href="/wiki/San_Leandro,_California" title="San Leandro, California">San Leandro, California</a>. In August 2020, it was announced that the UK-based production company <a href="/wiki/Aveva" title="Aveva">AVEVA</a> agreed to buy OSIsoft in a deal worth $5 billion;<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> the purchase was subsequently completed on 19 March 2021 for a final consideration of £3,831.4 million.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=OSIsoft&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>On January 5, 2011, OSIsoft announced a $135 million minority investment by <a href="/wiki/Technology_Crossover_Ventures" class="mw-redirect" title="Technology Crossover Ventures">Technology Crossover Ventures</a> and <a href="/wiki/Kleiner_Perkins_Caufield_%26_Byers" class="mw-redirect" title="Kleiner Perkins Caufield & Byers">Kleiner Perkins Caufield & Byers</a>.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>Lit San Leandro, a business associated with OSIsoft, has built a <a href="/wiki/Fiber-optic_network" class="mw-redirect" title="Fiber-optic network">fiber-optic network</a> 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 <a href="/wiki/Hayward,_California" title="Hayward, California">Hayward</a>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=OSIsoft&action=edit&section=2" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://tools.eurolandir.com/tools/Pressreleases/GetPressRelease/?ID=3885136&lang=en-GB&companycode=uk-avv&v=">"Completion of Acquisition of OSIsoft, LLC"</a>. <i>tools.eurolandir.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2021-09-24</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=tools.eurolandir.com&rft.atitle=Completion+of+Acquisition+of+OSIsoft%2C+LLC&rft_id=https%3A%2F%2Ftools.eurolandir.com%2Ftools%2FPressreleases%2FGetPressRelease%2F%3FID%3D3885136%26lang%3Den-GB%26companycode%3Duk-avv%26v%3D&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOSIsoft" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFProvanFildes2020" class="citation news cs1">Provan, Sarah; Fildes, Nic (August 25, 2020). <a rel="nofollow" class="external text" href="https://www.ft.com/content/a85ae32c-bf0e-4d8f-9983-3a287c6189c7">"Aveva to buy US tech group OSIsoft in $5bn deal"</a>. <i><a href="/wiki/Financial_Times" title="Financial Times">Financial Times</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">August 25,</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Financial+Times&rft.atitle=Aveva+to+buy+US+tech+group+OSIsoft+in+%245bn+deal&rft.date=2020-08-25&rft.aulast=Provan&rft.aufirst=Sarah&rft.au=Fildes%2C+Nic&rft_id=https%3A%2F%2Fwww.ft.com%2Fcontent%2Fa85ae32c-bf0e-4d8f-9983-3a287c6189c7&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOSIsoft" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://tools.eurolandir.com/tools/Pressreleases/GetPressRelease/?ID=3885136&lang=en-GB&companycode=uk-avv&v=">"Completion of Acquisition of OSIsoft, LLC"</a>. <i>tools.eurolandir.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2021-09-24</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=tools.eurolandir.com&rft.atitle=Completion+of+Acquisition+of+OSIsoft%2C+LLC&rft_id=https%3A%2F%2Ftools.eurolandir.com%2Ftools%2FPressreleases%2FGetPressRelease%2F%3FID%3D3885136%26lang%3Den-GB%26companycode%3Duk-avv%26v%3D&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOSIsoft" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://investors.aveva.com/annualreport/docs/Annual_Report_2021.pdf">"Annual Report 2021"</a> <span class="cs1-format">(PDF)</span>. <i>AVEVA</i><span class="reference-accessdate">. Retrieved <span class="nowrap">24 September</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=AVEVA&rft.atitle=Annual+Report+2021&rft_id=https%3A%2F%2Finvestors.aveva.com%2Fannualreport%2Fdocs%2FAnnual_Report_2021.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOSIsoft" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation pressrelease cs1"><a rel="nofollow" class="external text" href="http://www.businesswire.com/news/home/20110105006161/en/OSIsoft-Announces-135-Million-Minority-Investment-Technology">"News"</a> (Press release).</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=News&rft_id=http%3A%2F%2Fwww.businesswire.com%2Fnews%2Fhome%2F20110105006161%2Fen%2FOSIsoft-Announces-135-Million-Minority-Investment-Technology&rfr_id=info%3Asid%2Fen.wikipedia.org%3AOSIsoft" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.kqed.org/a/kqednews/RN201201180633/c">KQED Jan 18 2012 OSIsoft and Lit San Leandro Bringing Fiber-Optic to Tech Firms</a></span> </li> </ol></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output 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