Oceaneering International, Inc. OII

OII Company Overview

Oceaneering International, Inc. is a U.S.-based engineering and technology company that provides services and products primarily to the offshore energy industry, while also serving defense, aerospace, manufacturing, logistics, and entertainment markets. The company operates across subsea robotics, engineered products, offshore projects, and integrity management services. Historically associated with offshore oil and gas support, Oceaneering has expanded into defense and non-energy technology applications through its robotics, autonomy, and advanced engineering capabilities.

The company’s primary revenue drivers include remotely operated vehicle (ROV) services, subsea hardware and engineering solutions, offshore inspection and maintenance services, and government-related technology programs. Oceaneering serves major international energy companies, government agencies, and industrial customers across global offshore basins. Its strategic positioning is supported by one of the world’s largest fleets of work-class ROVs, long-standing customer relationships in offshore energy, and technical expertise in harsh-environment and mission-critical operations. Founded in 1964, the company evolved from a regional diving services provider into a diversified subsea engineering and technology enterprise through acquisitions, international expansion, and investments in robotics and digital technologies.