StockData
TSNYSESteel Works, Blast Furnaces & Rolling Mills (Coke Ovens)Also trades as TNRSF

TENARIS SA

Financials through fiscal 2025, year ended Dec 31, 2025Last filing: 20-F on Mar 31, 2026
$58.41−0.98 (-1.65%)

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