Who owns Hydril?
Hydril is owned by Tenaris (Luxembourg, NYSE: TS).[1]
Evidence: Tenaris S.A. Annual Report on Form 20-F filed 2026-03-31, SEC EDGAR, 31 March 2026. Verified from filings; last checked .
Key facts
- Current owner
- Tenaris S.A. verified
- Owner HQ
- 🇱🇺 Luxembourg, Luxembourg
- Origin
- 🇺🇸 United States
- Category
- Energy › Oil & gas › Oilfield services & drilling
- Parent ticker
- NYSE: TS
- Last verified
- · 1 sources
About Hydril
Hydril Company is the Tenaris subsidiary for manufacturing and marketing premium connections, shown as 100 percent owned in the 20-F's principal subsidiaries exhibit.
What Tenaris's annual report says about Hydril
Sentences about Hydril from Tenaris's latest annual filing[1], copied word for word.
We own an extensive range of premium connections and following the integration of the premium connections business of Hydril, we have marketed our premium connection products under the "TenarisHydril" brand name.
The balance of acquired t rademarks that have indefinite useful lives according to external appraisal amount s to $ 86.7 million at December 31, 20 2 5 , 20 2 4 and 20 2 3 , and are included in Hydril CGU .
Amortization is calculated using the straight-line method over the initial expected useful li v e s which were approximately 14 years for Maverick, 10 y ears for Hydril , 9 years for SSP C (subsequently reduced to 7 years) , 3 year s for IPSCO , and 4 months for Mattr's pipe coating business unit.
How often Tenaris names Hydril in its annual report
A plain count of the times the name appears in the text of each annual report, not counting the start of a sentence. A brand that an owner writes about more is usually one it treats as central. The brand is named less often than it was three years earlier.
Ownership timeline of Hydril
Where Hydril sits in Tenaris
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Tenaris ownership tree →
See the full Tenaris brand portfolio (5) →
Other brands owned by Tenaris
Tenaris controls 5 brands on Brandtree, 5 of them in energy.
Also in energy
Other brands in oilfield services & drilling, and who owns them
Tenaris has more brands in oilfield services & drilling on Brandtree than any other owner: 4 of 17.
| Brand | Owner | Owner based in |
|---|---|---|
| BENTEC | Helmerich & Payne | 🇺🇸 United States |
| Bently Nevada | Baker Hughes | 🇺🇸 United States |
| Pintail Completions | RPC | 🇺🇸 United States |
| ChampionX | SLB | 🇺🇸 United States |
| FlexSteel | Cactus | 🇺🇸 United States |
| Citadel Casing Solutions | Innovex | 🇺🇸 United States |
| Ulterra | Patterson-UTI | 🇺🇸 United States |
| PROPWR | ProPetro | 🇺🇸 United States |
About the owner: Tenaris
Tenaris is a publicly listed company headquartered in Luxembourg, Luxembourg. Brandtree records 5 brands under its control, and it is listed as NYSE: TS.
Tenaris S.A. is a Luxembourg company that its 2025 Form 20-F says grew from Siderca, formed in 1948. San Faustin S.A. beneficially owned 66.13 percent of its share capital and 70.07 percent of the votes at 31 December 2025; 28.17 percent traded on the Italian and Mexican exchanges and its ADSs trade on the NYSE.
🇺🇸 Hydril and other American brands
Brandtree records a controlling owner for 2,399 brands that began in the United States. 461 of them (19%) are now controlled by a company headquartered in another country, Hydril among them.
- AES Ohio — AES 🇺🇸
- Agway Energy Services — Suburban Propane 🇺🇸
- Alabama Power — Southern Company 🇺🇸
- AmeriGas — UGI 🇺🇸
- American Transmission Company — WEC Energy Group 🇺🇸
- Arch Resources — Core Natural Resources 🇺🇸
Frequently asked questions
Who is the parent company of Hydril?
The parent company of Hydril is Tenaris, a publicly listed company headquartered in Luxembourg.
Is Hydril American or Luxembourgish?
Hydril originated in the United States, but it is owned today by Tenaris, which is headquartered in Luxembourg. So Hydril is an American-origin brand under Luxembourgish ownership.
Is Hydril still owned by Tenaris?
Yes. As of 10 October 2026, Hydril is still owned by Tenaris. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Tenaris S.A. Annual Report on Form 20-F filed 2026-03-31 — SEC EDGAR, SEC Form 20-F, published 31 March 2026; retrieved 5 October 2026.
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