Companies: 10,795·Total market cap: $144.5T
Oceaneering International, Inc.

Oceaneering International, Inc.

OIINYSEEnergy● Active
$39.25
+$2.09(+5.63%)
Market Cap$3.9B
P/E Ratio
52W High$40.12
52W Low$19.69

Oceaneering International, Inc. (OII) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · OII · as of Feb 20, 2026

Latest filing snapshot

11,100
+700+6.73%vs prior year

Oceaneering International, Inc. (OII) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing

SEC 10-K·Period end: 2025-12-31·Full-time · Global
Total Employees
11,100
Change (1Y)
+700
Growth % (1Y)
+6.73%
Revenue / Employee
$250.8K
Net Income / Employee
$31.9K
Market Cap
$3.9B

OII Employee Count

1995 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2026-02-2011,100+700+6.73%
2025-02-2410,400+300+2.97%
2024-02-2310,100+900+9.78%
2023-02-249,200+700+8.24%
2022-02-258,500+200+2.41%
2021-02-268,300-800-8.79%
2020-02-279,100+500+5.81%
2019-02-288,600+400+4.88%
2018-03-018,200-600-6.82%
2017-02-248,800-2,200-20.00%

Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Oil & Gas Equipment & Services
#SymbolCompanyEmployees
#1
Oceaneering International, Inc.
OII
Oceaneering International, Inc.YOU
11,100
#2
International Seaways, Inc.
INSW
International Seaways, Inc.
2,899
#3
Delek US Holdings, Inc.
DK
Delek US Holdings, Inc.
1,987
#4
DHT Holdings, Inc.
DHT
DHT Holdings, Inc.
924
#5
Civitas Resources, Inc.
CIVI
Civitas Resources, Inc.
655
#6
Black Stone Minerals, L.P.
BSM
Black Stone Minerals, L.P.
115
#7
Delek Logistics Partners, LP
DKL
Delek Logistics Partners, LP
0
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · OII peer comparison

About OII employees

OII Employees · Headcount

Oceaneering International, Inc. (OII) employee data is sourced from the annual SEC 10-K filing. As of 2025, Oceaneering International, Inc. had 11,100 full-time employees globally. Full-time employees only. Global consolidated headcount.

Oceaneering International, Inc. employs 11,100 full-time employees as of the latest filing within the Oil & Gas Equipment & Services industry. Revenue per employee stands at $250,825, reflecting the company's operational efficiency.

Oceaneering International, Inc.'s workforce increased by 700 (6.73%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Oceaneering International, Inc.'s revenue per employee of $250,825 positions it among the notable performers in the Oil & Gas Equipment & Services sector for operational efficiency.

Frequently Asked Questions

OII Employees · 5 questions

As of the latest SEC 10-K filing (2025), Oceaneering International, Inc. had 11,100 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Oceaneering International, Inc. employee counthow many employees does Oceaneering International, Inc. haveOII total employees 2025

Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-20