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129 companies

HYTORC of Texas

Location not listedUpdated May 2026
Training

HYTORC of Texas provides sales, service, and support for industrial bolting systems including hydraulic, pneumatic, and electric tools, serving industries such as oil & gas, petrochemical, nuclear, and subsea.

Halliburton Energy Services

Houston,, TX, United StatesUpdated Jan 2002

Halliburton provides engineering solutions and services for global energy needs, specializing in subsurface evaluation, reservoir testing, drilling, well construction, and digital subsurface solutions.

Hitec Subsea AS

Stavanger, NorwayUpdated Oct 2000

Hitec Subsea is an engineering company, specialising in remotely operated systems and tools for the subsea oil and gas industry. Hitec Subsea is the owner of the HiControl system, with either Hitec Cyberbase MMI, or a conventional rack based MMI (Man Machine Interface).

Hydrovision Limited

Dyce, Aberdeen, United KingdomUpdated Sep 2002

Leading independent manufacturer of Remotely Operated Vehicles for underwater inspection, construction and survey; also hydraulic propulsion and process control systems.

Hydrovision Ltd

Location not listedUpdated Dec 2002

Hydrovision Ltd specializes in underwater inspection, survey, and ROV services for the maritime and offshore industries.

Hytec Hydro Technologie

Montpellier, FranceUpdated Jun 2003

Since 1981, HYTEC has established a solid world-wide reputation by supplying systems aimed at professional subsea activities, up to 6000 meters depth: CCTV systems ; ROV’s ; Heavy duty remote controlled vehicles ; Hydraulic tools and manipulator arms

INTEC Engineering Partnership, Ltd.

Houston,, TX, United StatesUpdated Jun 2007

INTEC Engineering provides specialized engineering services to the Exploration and Production, Construction, and Transportation sectors of the energy industry worldwide, focusing on marine pipelines, subsea production, floating production, and LNG.

InstallOcean Limited

Location not listedUpdated Dec 2002

InstallOcean Limited provides marine installation and subsea services, specializing in offshore engineering solutions.

International Coiled Tubing As

Location not listedUpdated Dec 2002
Training

International Coiled Tubing Association (ICoTA) is an organization focused on well intervention technologies including coiled tubing, hydraulic workover, wireline, subsea well intervention, and related training and events.

International Marine Systems, LLC

Schriever, LA, United StatesUpdated May 2026

International Marine Systems, LLC provides marine engineering, design, and construction services specializing in offshore and subsea systems.

International Submarine Engine

Location not listedUpdated May 2026

International Submarine Engineering (ISE) designs and manufactures autonomous underwater vehicles (AUVs), remotely operated vehicles (ROVs), and related launch, recovery, and docking systems for commercial and defense applications.

Javeler Construction Co., Inc.

Location not listedUpdated Dec 2002

Javeler Marine Services LLC is a specialized dredging company with over 50 years of experience providing subsea excavation solutions using submersible dredge pumps for environmental, civil, and energy markets.

Kim Heng Marine & Oilfield Pte Ltd

SingaporeUpdated Jun 2003

Kim Heng Marine & Oilfield Pte Ltd is an offshore marine service contractor specializing in engineering, procurement, construction, and installation support for offshore renewable, marine, oil & gas industries with over 50 years of experience.

Kokusai Cable Ship Co Ltd (KCS)

Shinjuku-ku,, Tokyo, JapanUpdated Nov 2003
Training

KDDI Cableships & Subsea Engineering Inc. specializes in submarine cable installation, maintenance, marine consulting, and subsea engineering services.

Kongsberg Gruppen ASA

Kongsberg,, NorwayUpdated Jun 2005

Kongsberg Gruppen ASA is an international technology group delivering advanced, sustainable, and reliable maritime automation and instrumentation solutions for offshore oil & gas installations and specialised vessels.

Maridive & Oil Services S.A.E.

Cairo, EgyptUpdated Feb 2005

Maridive & Oil Services S.A.E. is an Egyptian company providing marine and offshore services including diving, oilfield support, and subsea operations.

Marine Subsea

Lysaker, NorwayUpdated Jan 2008

Marine Subsea is a maritime company based in Lysaker, Norway, specializing in subsea services and solutions.

McDermott International, Inc. (Corporate)

Houston,, TX, United StatesUpdated May 2016

McDermott International, Inc. is a global energy services company providing integrated engineering, procurement, construction, and installation solutions for subsea and floating facilities, offshore HVDC, LNG, and low carbon pathways.

Nautronix Inc

Houston,, TX, United StatesUpdated Jun 2005

Nautronix Inc provides advanced subsea communication and positioning solutions for the maritime and offshore industries.

Norsk Hydro ASA

Oslo, NorwayUpdated Dec 2002

Norsk Hydro ASA is a leading aluminium and renewable energy company with significant operations in oil and gas production, including offshore installations and subsea developments, primarily in Norway and internationally.

Norsub AS

Lysaker, Akershus, NorwayUpdated Dec 2003

Norsub AS is a Norwegian based company offering a wide range of subsea engineering world wide. We are specialists in the field of ROV Intervention planning. Amongst our service is ROV 3 D access control. Engineering of subsea tools etc.

Nortek AS WEB site

Location not listedUpdated Dec 2002

Nortek AS develops advanced underwater instruments such as Acoustic Doppler Current Profilers (ADCPs) and Doppler Velocity Logs (DVLs) used for oceanographic research, subsea navigation, and marine operations.

North American Shipbuilding (NAS)

Larose, LA, United StatesUpdated May 2006
Port AgentTraining

ECO supports U.S. Gulf deepwater operations and global markets with specialized offshore service and supply vessels, shipbuilding, port operations, and subsea services.