View source for Tenaris

{{Short description|Manufacturer of steel pipes}}
{{Other uses}}
{{Use dmy dates|date=February 2020}}
{{Infobox company
| name = Tenaris S.A.
| logo = Tenaris.svg
| logo_size = 200px
| type = [[S.A. (corporation)|Sociedad Anónima]]
| traded_as = {{ubl|{{ISE|LU0156801721|TEN}}|{{NYSE|TS}}|{{BMV|TS|6137}}|[[FTSE MIB]]}}
| industry = [[Oilfield services]]
| founded = {{start date and age|df=yes|2001|12|17}}
| location_city = [[Luxembourg (city)|Luxembourg City]]
| location_country = [[Luxembourg]]
| area_served = Worldwide
| key_people = {{nowrap|[[Paolo Rocca]] ([[Chairman]] and [[chief executive officer|CEO]])}}
| products = [[Steel]] [[pipe (material)|pipe]]s
| revenue = {{increase}} {{US$| 12.5 <ref name=report2024 >{{Cite web|url= https://ir.tenaris.com/static-files/aeff70a1-b470-4981-8c5a-6a601946ebbd |title=Annual Report 2024 |access-date= 11 July 2025}}</ref> billion|link=yes}}  (2024)
| operating_income = {{increase}} US$ 2.4 <ref name=report2024 />  billion  (2024)
| net_income = {{increase}} US$ 2.0 <ref name=report2024 /> billion  (2024)
| assets = {{increase}} US$ 20.4 <ref name=report2024 />  billion  (2024)
| equity = {{increase}} US$ 16.8 <ref name=report2024 />  billion  (2024)
| num_employees =  25,874 <ref name =report2024 /> (2024)
| owner = [[Techint]] (60.45%)
| homepage = {{URL|tenaris.com}}
| footnotes = <ref name=20F>{{cite web | url=https://www.sec.gov/ix?doc=/Archives/edgar/data/0001190723/000155485524000207/ts-20231231.htm | title=Tenaris S.A. 2023 Form 20-F Annual Report | publisher=[[U.S. Securities and Exchange Commission]] | date=May 28, 2024}}</ref>
}}

'''Tenaris S.A.''', organized in [[Luxembourg]],  is a manufacturer and supplier of steel [[Pipe (fluid conveyance)|pipes]] and related services for the [[petroleum industry]]. The company produces and ships over 4 million tons of pipes annually.<ref name=20F/> In 2023, 53% of the company's sales were to North America, 22% of sales were to South America, 18% of sales were to the Asia-Pacific, and 7% of sales were to Europe.<ref name=20F/>

The company owns 11.46% of [[Ternium]], 3.96% of the share capital of [[Usiminas]], and 22% of Techgen.<ref name=20F/>

The company is 60.45% owned by [[Techint]], which is controlled by San Faustin S.A., which is in turn controlled by Rocca & Partners Stichting Administratiekantoor Aandelen San Faustin, a [[Stichting]], while 38.41% of the company is publicly traded.<ref name=20F/>

==History==
Tenaris traces its roots to  the formation of Siderca, the sole Argentine producer of seamless steel pipe products by the predecessor of San Faustin in 1948.<ref name=20F/> Tenaris was organized on December 17, 2001.<ref name=20F/>

In June 2006, the company acquired Maverick Tube for $3.185 billion.<ref>{{Cite news | url=https://www.aist.org/tenaris-to-acquire-maverick-tube | title=Tenaris to Acquire Maverick Tube | work=[[Association for Iron and Steel Technology]] | date=June 14, 2006}}</ref>

In September 2006, it sold 75% of Dalmine, its Italian energy supply business, to [[E.ON]] for €39 million.<ref>{{Cite press release | url=https://www.chron.com/news/article/BW-Tenaris-to-Sell-Participation-in-Dalmine-1902866.php | title=(BW) Tenaris to Sell Participation in Dalmine Energie to E.ON | publisher=[[Business Wire]] | date=September 13, 2006}}</ref>

In 2007, the company acquired Hydril for $2.16 billion.<ref>{{Cite news | url=https://www.reuters.com/article/business/autos-transportation/tenaris-to-buy-hydril-for-216-bln-cash-idUSL12805538/ | title=Tenaris to buy Hydril for $2.16 bln cash | first=Anna | last=Driver | editor-first=Tim | editor-last=Dobbyn | work=[[Reuters]] | location=[[Houston, Texas]] | date=August 9, 2007}}</ref><ref>{{cite news | url=https://www.latimes.com/archives/la-xpm-2007-jun-14-me-seaver14-story.html | title=Richard C. Seaver, 85; oil-drilling exec, donor to L.A. Opera | last=Nelson | first=Valerie J. | work=[[Los Angeles Times]] | date=14 June 2007 | url-access=limited}}</ref> The pressure control business was sold to [[GE Oil and Gas]] in April 2008.<ref>{{Cite news | url=https://www.reuters.com/article/markets/us/tenaris-to-sell-hydril-pressure-business-to-ge-idUSN28386760/ | title=Tenaris to sell Hydril pressure business to GE | first1=Scott | last1=Malone | first2=Ritsuko | last2=Ando | editor-first1=Maureen | editor-last1=Bavdek | editor-first2=Jeffrey | editor-last2=Benkoe | work=[[Reuters]] | location=[[Boston]] | date=January 28, 2008}}</ref>

In January 2020, the company acquired IPSCO Tubulars from [[OAO TMK]] for $1.2 billion.<ref>{{Cite news | url=https://www.aist.org/tenaris-completes-acquisition-of-ipsco-tubulars | title=Tenaris Completes Acquisition of IPSCO Tubulars | work=[[Association for Iron and Steel Technology]] | date=January 3, 2020}}</ref>

==Controversies==
===Bribery settlement===
In May 2011, Tenaris agreed to pay the [[United States Department of Justice]] US$8.9 million in the first ever deferred prosecution agreement with the [[U.S. Securities and Exchange Commission]], after Tenaris voluntarily disclosed details of bribes made to officials of an Uzbek state-controlled oil firm to obtain competitor's bid information, which it used to submit revised bids in order to secure tenders.<ref>{{cite press release | url=https://www.sec.gov/news/press/2011/2011-112.htm | title=Tenaris to Pay $5.4 Million in SEC's First-Ever Deferred Prosecution Agreement | publisher=[[U.S. Securities and Exchange Commission]] | date=17 May 2011}}</ref><ref>{{cite news |url=https://www.wsj.com/articles/BL-CCB-4442 | title=Tenaris SA Pays $8.9 Million To Settle FCPA Probe | first=Samuel | last=Rubenfeld | work=[[The Wall Street Journal]] | date=17 May 2011 | url-access=subscription}}</ref><ref>{{Cite news | url=https://www.reuters.com/article/us-usa-justice-tenaris/tenaris-settles-u-s-bribery-probe-idUSTRE74G57L20110517/ | title=Tenaris settles U.S. Bribery probe | first1=Jonathan | last1=Stempel | first2=Anna | last2=Driver | editor-first=Tim | editor-last=Dobbyn | work=[[Reuters]] | date=17 May 2011}}</ref>

===Violence at TenarisTamsa facility===
On several occasions, melees broke out at the TenarisTamsa facility in [[Veracruz]], [[Mexico]], over a dispute for union leadership between Pascual Lagunes Ochoa and José Carlos Guevara Malpica ("El Profe"), a convicted felon. These melees have resulted in injuries and deaths.<ref>{{Cite news | url=https://www.laizquierdadiario.com/Enfrentamiento-por-el-sindicato-de-TAMSA-deja-dos-muertos | title=Mundo Obrero. Enfrentamiento por el sindicato de TAMSA deja dos muertos | trans-title=World Worker. Clash over TAMSA union leaves two dead | work=[[La Izquierda Diario]] | date=March 24, 2017 | language=es}}</ref><ref>{{Cite news | url=https://www.milenio.com/estados/pascual-lagunes-ochoa-tendra-prision-domiciliaria#google_vignette | title=Dan prisión domiciliaria a líder sindical de Tenaris-Tamsa | trans-title=Tenaris-Tamsa union leader given house arrest | first=Isabel | last=Zamudio | work=[[Milenio]] | date=9 December 2018 | language=es}}</ref>

==See also==
{{Portal|Companies}}
* [[List of steel producers]]

==References==
{{Reflist}}

==External links==
*{{Official website|https://www.tenaris.com/}}

{{FTSE MIB companies}}
{{Authority control}}

[[Category:Companies based in Luxembourg City]]
[[Category:Companies established in 2001]]
[[Category:Companies in the FTSE MIB]]
[[Category:Companies listed on the Mexican Stock Exchange]]
[[Category:Companies listed on the New York Stock Exchange]]
[[Category:Manufacturing companies of Luxembourg]]
[[Category:Multinational companies]]
[[Category:Techint]]