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|Traded as||BIT: TEN
|Headquarters||Luxembourg City, Luxembourg|
|Paolo Rocca (Chairman and CEO)|
|Products||Steel pipes for oil and gas, energy and automotive industries|
|Revenue||US$10.8 billion (2012)|
|Profit||US$1.6 billion (2012)|
Number of employees
Tenaris is a multinational manufacturer and supplier of seamless and welded steel pipe products and provider of pipe handling, stocking, and distribution services to the oil and gas, energy, and mechanical industries. It is a majority-owned subsidiary company of the Argentinean/Italian group Techint.
It is headquartered in Luxembourg and is also a supplier of welded steel pipes for gas pipelines in South America. With manufacturing facilities in Argentina, Brazil, Canada, China, Colombia, Italy, Japan, Mexico, Romania, and USA and a network of customer service centers in over 20 countries. Tenaris has an annual production capacity of 3.3 million tons of seamless, and 2.8 million tons of welded pipes, annual consolidated net sales in excess of US$ 12.1 billion (2008) and 23,500 employees worldwide. Tenaris has recently[when?] bought Hydril and later split the premium connections from pressure control side of the business. The pressure control business was sold to GE Oil and Gas in April 2008.
The company's CEO is Paolo Rocca; its CFO is Edgardo G. Carlos, its CIO is Carlos Pappier and its Planning Director is Alejandro Lammertyn.
A settlement was reached after Tenaris voluntarily disclosed details of illicit payments made to officials of an Uzbek state-controlled oil firm which were not properly recorded in the company's financial statements.
According to the Department of Justice, Tenaris paid bribes through local agents to obtain competitor’s bid information, which it used to submit revised bids in order to secure tenders.
An official at the Department of Justice said: "The company's immediate self-reporting, thorough internal investigation, full cooperation with SEC staff, enhanced anti-corruption procedures and enhanced training made it an appropriate candidate for the Enforcement Division's first Deferred Prosecution Agreement."
Violence in Mexico
On December 24 2013, over 100 disgruntled ex employees of Tenaris Tamsa in Veracruz stormed the facilities and were attacked with sticks, pipes and stones by supporters of the worker's union, "Sindicato Union y Progreso", or SNUP. These workers had been unjustly dismissed by the company in 2012 for attempting to elect a new union leader, Jose Carlos Guevara Moreno, "El Profe". Pascual Lagunes Ochoa, an ex convict who as of April 2016 remains as the union leader of SNUP, and often attends and speaks at public events also attended by CEO Paolo Rocca, a graduate of Harvard Business School. The ex employees are currently in a legal battle against the company, having been denied their lawful severance. They have also requested that he be audited by Hacienda, the tax collection branch of the government. 
- US Securities and Exchange Commission (17 May 2011). "Tenaris to Pay $5.4 Million in SEC's First-Ever Deferred Prosecution Agreement". US Securities and Exchange Commission.
- Samuel Rubenfeld (17 May 2011). "Tenaris SA Pays $8.9 Million To Settle FCPA Probe". Wall Street Journal.
- Periodistasdigitales (24 Dec 2013). "Se enfrentan a golpes empleados sindicalizados de Tamsa". Plumas Libres.
- Monica Ramirez (19 Apr 2016). "Exigen tamseros que SAT revise fortuna a Pascual Lagunes". AGN Veracruz.
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