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All Subsea Companies by G

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G & G International NV - regenerators, coke-drums, separators, slug catchers, cyclones, storage tanks, bullets, spheres and cryogenic tanks.
G S Consult - operating since 1984 and we have enjoyed a positive and interesting development
G.J. Cahill & Company Ltd. - supplier of construction, electrical, fabrication, instrumentation and mechanical services
G.L.M. Vessels & Process Equipment - Process Equipment Storage Equipment Inspection Service and Accessories Engineering
G.W. Lisk Company, Inc. - solenoid, rotary solenoids, lvdt, solenoid valves
g3baxi partnership limited - a new oil and gas engineering consultancy
GAI-Tronics - focused on the communication needs of the world’s industrial markets
Galaxy Brushes - design and development of efficient, cost-effective brush manufacturing systems
Galp Energia, SGPS, S.A. - Oil Petroleum, Natural Gas Supply, Regasification, Transport, Storage and Distribution portugal
Galvotec Alloys, Inc. LA - highest quality galvanic anodes on the market.
Galvotec Corrosion Services, LLC - full range of cathodic protection services, both onshore and offshore, which include monitoring, system design, evaluation, material, supply, and installation.
Gann Mekaniske AS - one of the leading companies within solids control/ mud treatment systems
Gardline Geosurvey Ltd - geophysical specialist providing a fully integrated service with environmental, oceanographic and geotechnical expertise
Gardline Marine Sciences Limited - marine geophysical, geotechnical, environmental and hydrographic survey company
Gardner Denver, Inc - global producer of blowers, air compressors, petroleum pumps, water jetting pumps and accessories, and fluid transfer equipment, and liquid ring pumps.
Garlock France - has been helping customers efficiently seal the toughest process fluids in the most demanding applications
Gas de France - one of the leading European gas groups
Contact: , Phone: (+331) 47 54 70 34, Fax: (+331) 42 70 38 33
Paris, FRANCE, Europe(North)
Gas Services International - complete engineering and supply within battery limits of any process equipment plant.
Gas Turbine Efficiency AB - Develops, manufactures and markets systems for gas turbine cleaning
Gasoptics Sweden AB - Technology pinpoints gas leaks at both land-based and offshore petroleum and petrochemical installations.
GASSCO AS - The independent operator of the gas transport system from the Norwegian continental shelf to Europe.
Contact: , Phone: +47 52 81 25 00, Fax: +47 52 81 29 46
Haugesund, Norway, Europe(North)
GAT Gesellschaft fur ANTRIEBSTECHNIK MBH - High-performance rotary unions and electrical slip rings for customer specific applications
GATE - is an oil and gas engineering consulting company
Gates Corporation - Worldwide Power Transmission, Worldwide Automotive Hoses, and Worldwide Hydraulic and Industrial Hose & Connectors
Gaumer Process Heaters - supplier of electric industrial heaters, heating systems, and controls to the process industries
Gazflot - russian exploration and ship owning company
Gazprom - is the world's biggest gas exploration and production company
Contact: , Phone: (+709) 57 19 30 01, Fax: (+709) 57 19 83 33
Moscow, RUSSIA, Europe(North)
Gazprombank - services to enterprises and employees of other sectors (chemical, engineering, defence, nuclear etc.)
GBA Flare Systems - Well known for experience in the design, fabrication and installation of flare, vent and chimney systems for land-based and offshore applications world-wide
GBA-Corona - provide flare equipment with the highest quality of design, materials and construction
G-Comex - provision of logistics, procurement, management and commercial representation services for the Oil & Gas market
GDV Maritime AS - commercial management of offshore vessels, chartering, project management, logistics, agency support
GE Oil & Gas - is a world leader in advanced technology equipment and services for all segments of the oil and gas industry
Contact: , Phone: + 39 055 4272 500, Fax:
Florence, Italy, Europe(South)
GE Oil & Gas Nuovo Pignone - mechanical engineering solutions to the oil & gas industry
Contact: Gabriele Peri - Leonardo Baldassarre, Phone: (+3905) 54 23 82 80, Fax: (+3905) 54 23 28 00
Florence, ITALY, Europe(South)
Gearench - high quality, safe and effective products by utilizing the latest innovations in applied engineering, manufacturing process improvement and quality assurance.
GECMA Components GmbH - developing and producing innovative products for the Ex-Zones of chemical and pharmaceutical companies
GEFCO - design and manufacture of a complete line of portable drilling rigs and related equipment for the waterwell, environmental groundwater monitoring, construction, mining and shallow oil exploration and production industries.
General Acoustics GMBH - developer of innovative hydroacoustic technology for detecting sediment layers and properties, high-tech producer of echosounders,
General Cable Technologies Corporation - leader in the development, design, manufacture, marketing and distribution of copper, aluminum and fiber optic wire and cable products
General Carbide Europe Limited - The manufacture of hard metal wear parts. Specialists in the the oil and gas extraction industry. Sintered metal carbides, tungsten carbide valves, cages, general wear parts. Machining, grinding and polishing of sintered preforms of all grades.
General Geophysics Co - geophysical equipment and geophysical services to the oil and gas industry
General Marine Leasing - largest fleet of metal portable living quarters for the offshore oil and gas industry
General Oceanics, Inc. - manufacturer of environmetal testing and safety monitoring equipment
General Robotics Ltd - World leader in developing customised simulation solutions for the subsea environment.
Generon® IGS Americas - designed to liquefy Nitrogen Gas produced from either Generon IGS’s Nitrogen Membrane Generators or Pressure Swing Absorption Nitrogen Generators
Genesis Oil and Gas Consultants Ltd - consultancy and engineering company servicing a broad range of clients in the upstream oil & gas process industries.
Contact: Mr John Penrose , Phone: 44 (0) 207 611 5555, Fax: 44 (0) 207 611 5550
London, UK, Europe(North)
Genius Vos B.V. - production of offshore structures, platforms, special steel constructions, process modules, pressure vessels, heat exchangers, columns, condensers, bridges and locks
Genoa Design International Ltd - provides design, drafting and lofting services to marine and offshore industries
GENOIL Inc. - technology development and process-licensing company
Genstar Technologies Company, Inc. - world class products such as pressure regulators, fittings, valves, welding apparatus and various gas control and handling devices.
GEO ASA - ocean-going and one nearshore vessel, a Hugin 3000 AUV/UUV system and 14 work ROVs
GeoAcoustics Ltd - remote intervention as seabed profiling and survey systemst
Geobyte ltd - geological exploring of resources of potential regions of oil and gas resources and condensate
GeoConcepts - providing high-quality Information Technology solutions
Geodrive Technology BV - Specialised in all pile driving-related issues, development of new pile driving equipment and pile driving methods.
GeoFields, Inc. - Pipeline Management Solutions
Geomechanics International - well planning, drilling, production and completion
GeoPardazesh - one of the Iranian's leading Geophysics and Geology Exploration Services Groups
Geophysical Research Company, LLC - complete line of accurate, rugged and versatile mechanical and electronic pressure gauges
Geoscience Ltd - earth science consultancy, primarily serving the oil and gas industry
GeoSeis - wide aperture seismic acquisition and interpretation, OBS, production seismic
Geoservices - specialise in well intervention & cased hole logging, driling consultancy
Geospace Engineering Resources International L.P. - leader in the seismic instrument and equipment business design, manufacture and deploy seismic instrumentation, reservoir monitoring, cable/umbilical and thermal imaging solutions
Geotopic - geophysical services such as sub-surface reconnaissance, site investigation, environmental data, data evaluation,
Germanischer Lloyd - researching and continual improving safety-relevant factors
GFG Gesellschaft fur GERÄTEBAU MBH - gas detection, specialising in designing, developing and producing reliable equipment for gas measurement.
GFSA - Designs and manufactures filtration and process equipment which exhibits leading-edge technology and is environment-friendly
Gill Services, Inc. - catheads, kelly spinners, power tongs, bucking units
Gilmore Valve Co. - warehouse, machine shop, assembly and testwith a number of CNC machines
Gisma GMBH - One of the leading manufacturers of high-performance underwater connectors.
Gisma Steckverbinder GmbH - of the leading manufacturers of high-performance underwater electrical, fibre-optic, hybrid and pressure balanced ROV-mateable connectors
Glamox International - An experienced partner in lighting solutions offshore. Offers a complete range of light fittings to the marine and oil and gas markets.
Global Energy Group - a contracting and service-based company supporting the International Energy Industry
Global Geo Services ASA - geology and seismic exploration consultancy
Global Industries Offshore, L.L.C - offshore construction and underwater diving services
Global Industries, Ltd. - provides offshore construction, engineering and support services.
Global Marine Systems - Global Marine Offer ROV Inductions and Pilot Technician Training
Global Maritime AS - international team of engineers and mariners who apply their diverse skills and knowledge to technical and commercial problems
Global Offshore Consulting AS - Provides C-Nav world DGPS – globally corrected GPS system. Also provides ROV, survey and contract personnel to the offshore industry worldwide
Global Oilfield Supplies Ltd - Suppliers of valves, gaskets and oilfield equipment
Global Pipe Components - leading provider of inventory to the Oil, Gas and Petrochemical Industry Worldwide.
Global Project Consultants (GPC) - project/construction management & related services to energy-related companies and contractors
Global Supplier - Sale of oil cleanliness equipment. agent for EZ-OilClean green oil filtering solutions. HIAC PODS, water-in-oil monitors, Lomma Hardchrome.
Global Thermoelectric Inc. - supplier of thermoelectric generators (TEGs) and one of the world’s leading suppliers of remote power systems
Globe Engineering South Africa PTY LTD - expertise in the fields of marine repair and conversion has separate facilities for plate and boiler work, heavy machining, electrical rewinding, pipe work, joinery and shipwright work.
Gloria Material Technology Corp.(GMTC) - Stainless steel, VAR/ESR materials, Nickel-based alloys, Titanium alloys, Specialty steel, ingots, billets, and bars
Glynwed AB - High temperature ceramics: tubes, isolating tubes, laboratory ware, plates, crucibles. Electro-ceramics: insulators, feedthroughs, thyristor housing, etc
GM International Safety Inc. - total solutions intrinsic safety provider to today’s industries
GMT - The Titanium Specialist - Major stockist and distributor of titanium products such as round bar, pipe/tube, forgins/flanges, sheets/plates and special items
Godwin Pumps of America, Inc. - electric and hydraulic submersible pumps
Golder Associates - Offices throughout the pan-Arctic region, with extensive experience in cold region engineering, environmental and socio-economic services
Goriziane S.p.A. - maintenance, repair, general review and modernization of means, machinery and systems
GOW-MAC Instrument CO Ltd - manufacture and marketing of analytical instruments, detectors and filaments
GP:50 - manufacturer of pressure transducers / transmitters manufacturing pressure instruments
GPA AS - broad line of valves and pipe systems for the process industry on land and offshore.
Grace Instrument Company - provides highly automated instruments as well as traditional manual instruments
Granherne Limited - front-end engineering consultancy for onshore, offshore and deepwater oil and gas development
Grant Geophysical - international seismic contractor
Grant Prideco - drill pipe, tubulars and other drill stem products
Gray Wireline Services, Inc. - the largest independently-owned, cased-hole wireline company in the US
Great Offshore - integrated offshore oilfield services provider
Greatship Global India - service provider in the offshore energy exploration and production domain globally and in India.
Grenland Realconcept - services range from studies to full engineering projects
Grinaker-LTA M & E - comprehensive service covering structural steel, mechanical, piping, electrical, and instrumentation installations and commissioning
Groth Corporation - manufactures storage tank protection equipment, pressure relief valves
Grotnes Verksted AS - company soon began developing it’s flamecutting technology, based on raw materials from Norsk Jernverk AS, steel mill placed in Mo i Rana.
Groupe Genoyer Corporate - leading piping and oil gas pipeline packager
GS-Hydro Group - Offers innovative solutions to high and low pressure pipe jointing problems, and is rightly known as the world's leading supplier of piping without welding.
GSM, Inc. - consulting petroleum engineers
GSP Grup Servicii Petroliere - performs offshore drilling, offering at the same time engineering and technical consultancy
GSPC Gujarat State Petroleum Corporation - vertically integrated energy company across India and overseas
GTO Subsea AS - innovative dredging supplier providing services to the world offshore market
Guido Perla & Associates, Inc - full service consulting engineering firm, specializing in providing design and engineering services for clients in the marine industry
Gulf Coast Downhole Technologies - manufacturer of downhole cable for permanent well monitoring systems
Gulf Engine & Equipment, Inc. - industrial engine distributor and engine packager that specializes in engine applications below 200 hp
Gulf Island Fabrication, Inc. - a fabricator of offshore drilling and production platforms
Gulf Marine Services - owns and operates Elevated Support Vessels as well as supply and AHTS vessels.
Gulf Publishing Company - leading publisher to the oil and gas industry
Gulf Research - syndicated and custom market research studies
Gulfmark Offshore - international offshore marine services industry
Gumpro Chem Drilling Fluids - offers a complete range of drilling fluid additives like Specialized Lubricants, Stuck Breakers, loss Circulation material Dispersants,
Guru Industrial Valves Pvt. Ltd. - one of the pioneers in the world of Valves and Pipe fittings
Gusto B.V.Products - consists of Gusto, Marine Structure Consultants, Single Buoy Moorings
GustoMSC Inc - consulting firm providing a wide range of engineering services to the offshore industry
GVA Consultants - marine and offshore design company for semi-submersibles and other floating units

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