TENARIS SA
Close on Oct 19, 2026
- Market cap
- –
- P/E (TTM)
- –
- Dividend yield
- –
About Tenaris
Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens), SIC 3312
Tenaris SA is an industrial manufacturer that produces and supplies steel pipe products and related services, operating primarily through its Tubes segment alongside other complementary activities. The company offers steel tubular products designed for oil and gas processing facilities, as well as specialized items serving various industrial and infrastructure applications. Its customer base includes commercial energy enterprises, industrial entities, and public sector organizations, including direct engagements with government customers.
The company operates on a global scale across regions including North America, South America, Europe, and the Asia-Pacific, Middle East, and Africa regions. Its operational footprint and corporate network include activities and subsidiary entities across numerous countries, such as Argentina, Mexico, the United States, Italy, Romania, Canada, Saudi Arabia, Brazil, Colombia, Indonesia, Portugal, the United Kingdom, Uruguay, the Netherlands, and China. Tenaris SA is organized under the laws of Luxembourg, where its corporate seat is located.
Summary of the business section of Tenaris's latest annual report, written by StockData.
Company profile
Company
- Legal name
- TENARIS SA
- Headquarters
- Luxembourg, N4
- Address
- 26, Boulevard Royal, 4th Floor L-2449
- Phone
- 1-888-300-5432
- Employees
- 25,000, Dec 31, 2025
- Industry
- Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
- Auditor
- Ernst & Young, Luxembourg
Stock & identifiers
- Ticker
- TS
- Other tickers
- TNRSF
- Exchange
- NYSE
- Shares outstanding
- 1.07B, Dec 31, 2025
- Filer category
- Large accelerated filer
- Stock splits
- 5-for-1, Apr 27, 2006
- SEC CIK
- 1190723
- CUSIP
- 88031M109
- ISIN
- US88031M1099
- LEI
- 549300Y7C05BKC4HZB40
- EIN
- 00-0000000
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
No recent ownership filings by officers or directors
Tenaris's leadership is listed in its proxy statement (Form DEF 14A).
Employees
Headcount reported in annual reports
“Through an integrated global network of R&D, manufacturing, and service facilities, and a team of around 25,000 people worldwide, we work with our customers to meet their needs in a timely manner, delivering the highest levels of product performance and reliability.”
Corporate history
Events identified from SEC filings
| Date | Event | Details |
|---|---|---|
| May 1, 2015 | Late filing | Notification of late filing |
| Jul 11, 2003 | Tender offer | Third-party tender offer for the company's shares |
| Jul 3, 2003 | Merger | Registration of securities for a merger or exchange offer (S-4) |
| Nov 12, 2002 | Tender offer | Third-party tender offer for the company's shares |
| Oct 29, 2002 | Listing | Registration of securities on an exchange (Form 8-A) |
| Sep 18, 2002 | Merger | Registration of securities for a merger or exchange offer (S-4) |