OCEANEERING INTERNATIONAL INC

OII - CIK 0000073756

Market cap$3.91 B

Rank#1590

SEC filings1,609

OCEANEERING INTERNATIONAL INC trades as OII and has a market capitalization of $3.91 B, making it the #1590 largest US-listed company by market value. In its fiscal 2025 annual report the company posted revenue of $2.78B, up 9.6% from the prior year. This page tracks OCEANEERING INTERNATIONAL INC through 1,609 SEC filings, with financial statements and metrics updated as new reports are filed.

Key metrics

Revenue (latest FY)$2.78BFY 2025

Operating cash flow (latest FY)$318.86MFY 2025

Total assets (latest FY)$2.67BFY 2025

Gross margin20.4%latest FY

Financial performance

Over the last 9 fiscal years OCEANEERING INTERNATIONAL INC's revenue grew from $2.27B to $2.78B, a compound annual growth rate of 2.3%.

OII annual revenueView details

Key statistics

Market cap: $3.91 B
Share price (derived)market cap / shares outstanding: $39.15
EPS (diluted)FY 2025: $3.49
Shares outstandingas of 2026-04-17: 0.10B
Total equityas of 2026-03-31: $1.11B
Long-term debtas of 2026-03-31: $488.81M
Cash & equivalentsas of 2025-12-31: $688.87M
Dividends paidFY 2019: $0.00

Latest filings

Filing	Type	Filed
Insider trade	4	2026-05-19
Insider trade	4	2026-05-19
Insider trade	4	2026-05-19
Insider trade	4	2026-05-19
Insider trade	4	2026-05-19
Insider trade	4	2026-05-19
Insider trade	4	2026-05-19
Insider trade	4	2026-05-19

Browse the full filing history (1,609 filings)

Recent press releases

Oceaneering Awarded Integrated Installation Contract for Offshore Egypt Project2026-05-21
Oceaneering International, Inc. (“Oceaneering”) (NYSE:OII) announced that its Offshore Projects Group has been awarded an integrated offshore installation contract at the West Delta Deep Marine (WDDM) gas field development project offshore Egypt from Burullus Gas Company. The contract is expected to generate meaningful revenue in 2026.
Oceaneering Reports First Quarter 2026 Results2026-04-22
Oceaneering International, Inc. ("Oceaneering") (NYSE:OII) today reported first quarter 2026 results.
Oceaneering Schedules First Quarter 2026 Earnings Release and Conference Call2026-03-25
The earnings release and a link to the webcast will be posted on Oceaneering’s Investor Relations website.
Oceaneering Announces Participation at First Quarter 2026 Investor Conferences2026-02-20
Oceaneering International, Inc. ("Oceaneering") (NYSE:OII) announced its participation at upcoming investor conferences during the first quarter of 2026.
Oceaneering Reports Fourth Quarter and Full Year 2025 Results2026-02-18
HOUSTON--(BUSINESS WIRE)-- Oceaneering International, Inc. ("Oceaneering") (NYSE:OII) today reported fourth quarter and full year 2025 results.

Similar companies

The largest companies sharing OCEANEERING INTERNATIONAL INC's SEC industry classification (oil & gas field services, nec).

SLBSLB N.V.$83.21 B OII vs SLB

HALHalliburton Company$33.19 B OII vs HAL

LBRTLiberty Energy Inc.$4.75 B OII vs LBRT

WBIWaterBridge Infrastructure LLC$3.61 B OII vs WBI

ARISAris Mining Corporation$3.54 B OII vs ARIS

Frequently asked questions

What is OCEANEERING INTERNATIONAL INC's market cap?

OCEANEERING INTERNATIONAL INC (OII) has a market capitalization of $3.91 B as of 2026-06-10, ranking #1590 among US-listed companies.

How much revenue does OCEANEERING INTERNATIONAL INC make?

OCEANEERING INTERNATIONAL INC reported revenue of $2.78B for fiscal year 2025, an increase of 9.6% year over year.

Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.