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Compare · OII vs TUSK

OII vs TUSK

Side-by-side comparison of Oceaneering International Inc. (OII) and Mammoth Energy Services Inc. (TUSK): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both OII and TUSK operate in Oilfield Services/Equipment (Energy), so they compete in similar markets.
  • OII is the larger of the two at $3.91B, about 23.3x TUSK ($167.6M).
  • Over the past year, OII is up 93.5% and TUSK is up 23.9% - OII leads by 69.6 points.
  • OII has been more active in the news (13 items in the past 4 weeks vs 1 for TUSK).
  • OII has more recent analyst coverage (10 ratings vs 0 for TUSK).
PerformanceOII+93.49%TUSK+23.88%
2025-06-09+0.00%2026-06-08
MetricOIITUSK
Company
Oceaneering International Inc.
Mammoth Energy Services Inc.
Price
$39.21+5.53%
$3.45+3.92%
Market cap
$3.91B
$167.6M
1M return
+7.23%
+46.19%
1Y return
+93.49%
+23.88%
Industry
Oilfield Services/Equipment
Oilfield Services/Equipment
Exchange
NYSE
NASDAQ
IPO
2016
News (4w)
13
1
Recent ratings
10
0
OII

Oceaneering International Inc.

Oceaneering International, Inc. provides engineered services and products to the offshore oil and gas, defense, aerospace, and commercial theme park industries worldwide. The company's Subsea Robotics segment provides remotely operated vehicles (ROVs) to customers in the energy industry for drilling support and vessel-based services, including subsea hardware installation, construction, pipeline inspection, survey and facilities inspection, maintenance and repair. As of December 31, 2020, this segment owned 250 work-class ROVs. Its Manufactured Products segment provides production control umbilicals and connection systems; and program management, engineering design, fabrication/assembly, and installation to the commercial theme park industry, as well as mobile robotics solutions, including AGV technology to various industries. The company's Projects Group segment offers subsea installation and intervention, including riserless light well intervention services and inspection, and maintenance and repair services; installation and workover control systems, and ROV workover control systems; project management and engineering; and seabed preparation, route clearance, and trenching services for submarine cables for the renewable energy markets. Its Integrity Management & Digital Solutions segment provides asset integrity management, corrosion management, and inspection and non-destructive testing services to customers in the oil and gas, power generation, and petrochemical industries; software, digital, and connectivity solution for the energy industry; and software and analytical solutions for the bulk cargo maritime industry. The company's Aerospace and Defense Technologies segment offers government services and products, including engineering and related manufacturing in defense and space exploration activities principally to U.S. government agencies and their prime contractors. The company was founded in 1964 and is headquartered in Houston, Texas.

TUSK

Mammoth Energy Services Inc.

Mammoth Energy Services, Inc. operates as an oilfield service company. The company operates in four segments: Infrastructure Services, Well Completion Services, Natural Sand Proppant Services, and Drilling Services. The Infrastructure Services segment offers a range of services on electric transmission and distribution, networks and substation facilities, including the construction, upgrade, maintenance, and repair of high voltage transmission lines, substations, and lower voltage overhead and underground distribution systems; storm repair and restoration services; and commercial services comprising installation, maintenance, and repair of commercial wiring. The Well Completion Services segment provides high-pressure hydraulic fracturing services to enhance the production of oil and natural gas from formations having low permeability. The Natural Sand Proppant Services segment is involved in mining, processing, and selling proppant for hydraulic fracturing; buying processed sand from suppliers on the spot market and reselling that sand; and providing logistics solutions to facilitate delivery of frac sand products. The Drilling Services segment offers contract land and directional drilling services, as well as rig moving services. The company also offers other energy services, including aviation, coil tubing, pressure control, flowback, cementing, acidizing, equipment rental, crude oil hauling, full-service transportation, and remote accommodation services. It serves government-funded utilities, private and public investor owned utilities, co-operative utilities, independent oil and natural gas producers and land-based drilling contractors in North America. Mammoth Energy Services, Inc. was founded in 2014 and is headquartered in Oklahoma City, Oklahoma.

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