On the Record · Oceaneering International
Oceaneering International subsidiaries, as it lists them
The subsidiaries Oceaneering International lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| Oceaneering Angola, S.A. | Angola |
| Marine Production Systems Do Brasil Ltda. | Brazil |
| Marine Production Systems, Ltd. | Delaware |
| Oceaneering Canada Limited | Delaware |
| C & C Technologies, Inc. | Louisiana |
| Oceaneering Holdings Sarl | Luxembourg |
| Oceaneering International Holdings Sarl | Luxembourg |
| Oceaneering Luxembourg Sarl | Luxembourg |
| Oceaneering Services (Malaysia) Sdn Bhd | Malaysia |
| Oceaneering Mobile Robotics B.V. | Netherlands |
| Oceaneering AS | Norway |
| Oceaneering Services PNG Ltd. | Papua New Guinea |
| Oceaneering International GmbH | Switzerland |
| Grayloc Products, L.L.C. | Texas |
| C & C Technologies (Thailand) Co., Ltd. | Thailand |
| Oceaneering Mobile Workforce Limited | United Arab Emirates |
| Grayloc Products Ltd. | United Kingdom |
| Oceaneering International Services Limited | United Kingdom |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from Oceaneering International’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-20. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.