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On the Record · Diamond Offshore Drilling

Diamond Offshore Drilling subsidiaries, as it lists them

The subsidiaries Diamond Offshore Drilling lists in its latest annual report, with the jurisdiction of each, linked to the filing.

Subsidiaries it lists

SubsidiaryJurisdiction
Diamond Foreign Asset CompanyCayman
Diamond Offshore Drilling (UK) LtdEngland
Diamond Offshore Drilling LimitedCayman
Diamond Offshore Finance CompanyDelaware
Diamond Offshore General CompanyDelaware
Diamond Offshore International, L.L.C.Delaware
Diamond Offshore LimitedEngland
Diamond Offshore Management CompanyDelaware
Diamond Offshore Services, LLCDelaware
Diamond Rig Investments LimitedEngland

From Exhibit 21 of the 10-K for 2023. 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 Diamond Offshore Drilling’s annual reports (10-K for 2023, 10-K for 2022, 10-K for 2021) and the financial data it files with the SEC, as of 2024-02-28. 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.