Oceaneering International Inc (NYSE: OII) is an offshore energy services and technology company that delivers engineered services, products, and robotic solutions to the offshore energy, defense, aerospace, and manufacturing industries. Revenue is generated on a transactional and contract services basis across five business segments organized within two businesses. Oceaneering was incorporated in Delaware in 1969 out of the combination of three diving service companies founded in the early 1960s, and the company states it is one of the world's largest underwater services contractors. Core offerings to the energy industry include remotely operated vehicles (ROVs), survey and positioning services, specialty subsea hardware, engineering and project management, subsea intervention services including manned diving, and asset integrity and non-destructive testing services. Foreign operations, principally in Africa, the United Kingdom, Norway, Brazil, and Asia and Australia, accounted for approximately 55% of revenue, or $1.5 billion, for the year ended December 31, 2025. The company has expanded from its subsea roots into adjacent markets centered on autonomous robotics.

Revenue model

Contract and transactional services revenue across five segments serving offshore energy operators, defense, aerospace, and manufacturing customers. Services include ROV operations, subsea intervention, asset integrity testing, survey, and engineered product sales.

Products and services

Remotely operated vehicles (ROVs), survey and positioning services, specialty subsea hardware, engineering and project management, subsea intervention services, manned diving, asset integrity services, non-destructive testing, and autonomous robotic solutions.

Customers and end markets

Offshore energy operators, defense agencies, aerospace customers, and manufacturing customers. End markets include offshore oil and gas, subsea infrastructure, defense, aerospace, and industrial manufacturing.

Value-chain role

Subsea and offshore services contractor and technology provider sitting between offshore energy operators and the subsea environment. Supplies ROVs, intervention services, and engineered hardware directly to operators and project developers.

Geographic exposure

Approximately 55% of revenue ($1.5 billion) from foreign operations for the year ended December 31, 2025, principally in Africa, the United Kingdom, Norway, Brazil, and Asia and Australia. Remaining ~45% from domestic U.S. operations.

Source: SEC 10-K, filed 2026-02-20

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