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Nabors Industries Ltd - workover and well services drilling rigs worldwide
Nalco Company - a leading provider of integrated water treatment and process improvement services, chemicals and equipment programs
Napa Ltd - systems for naval architectural tasks
NATCO Group Inc. - has always been at the forefront of oil industry production processing
Natech NSV AS - is an extension of the industrial activities established by Kongsberg Våpenfabrikk in Narvik in 1976
National Bronze & Metals, Inc. - are leading manufacturers and distributors of brass, bronze, and copper alloys
National Coupling - industry leader in subsea hydraulic coupling technology
National Instruments Corporation - technology pioneer and leader in virtual instrumentation
National Iranian Oil Company - exploration, development, production, marketing of crude oil and natural gas.
National Oilwell - downhole completion tools used in oil and gas drilling and production
Contact: , Phone: (+171) 33 46 75 00, Fax: (+171) 34 35 21 95
Houston, USA, America(North)
National=K=Works Inc. - designer of thermohousings and down-hole equipment
Natural Resources Canada - helping shape the important contributions of the natural resources sector to the Canadian economy, society and environment
Nauta S.A. Shiprepair Yard - Shipbuilding and shiprepair industry developed in Gdynia along with the development of the port and the city
Nautech Services - recruiting for and supplying personnel to the oil and gas survey and exploration industries
Nautilus Offshore Company Inc. - construction and repair of offshore drilling and production rigs
Nautronix plc - services the needs of the oil and gas customers for Acoustic Positioning and Communication, whether by sale or rental.
Navalis Environmental Systems, LLC - engineers specializing in wastewater treatment, marine environmental engineering, and business professionals.
NAVIC Engineering Polska Sp - engineering and designing office
NBB Controls, Inc. - reliable radio control systems for the construction industry.
NCS Survey - providing survey services to the offshore construction and positioning markets on a worldwide basis
Necon - an expert supplier of higher competence in the oil, gas, and energy segment to Norwegian and international companies,
Negris Limited - engineering services to the oil, gas, energy, and industrial sectors of the Nigerian economy.
Nelson Stud Welding, Inc. - manufacturer and distributor of weld stud fasteners and application equipment
Nemo Engineering AS - Turn Key and Product deliveries to the Offshore Industry
Neptune - A provider of integrated engineering services from seafloor to surface, catering to the offshore oil and gas, shipping and marine infrastructure industries.
Neptune Marine Oil & Gas Limited - is a drilling contractor with a fleet of two drill-ships, Neptune Discoverer and Neptune Explorer
Neptune Oceanographics Ltd - company specialising in underwater marine environmental monitoring
Neste Oil - owns and operates two oil refineries in Finland
Net Safety Monitoring Inc. - designing and manufacturing fixed, industrial safety monitoring equipment
Netlink Inspection - a software development and inspection services company providing turnkey solutions to oil & gas operators
NETmc Marine Ltd - leading supplier of digital video recorders (DVR) to the ROV, diving and structural inspection market.
New Continental Equipment Co., Ltd. - drilling rig packages, triplex mud pumps and expendables, traveling equipment, wellhead equipment, handling tools, spare parts, and service.
New Tech Systems - New Tech Systems are manufacturers of quality pipe inspection equipment who are located between Midland and Odessa, Texas
New Zealand Oil & Gas Ltd - independent, Wellington-based exploration and production company
Neway Valve (SUZHOU) CO, LTD - industrial valve manufacturer in China, has all the qualifications to manufacture a wide range of industrial valves
Newdock - major player and global competitor in both Offshore and the Ship Repair Industries.
Newfield Exploration Company - is an independent crude oil and natural gas exploration and production company
Newpark Drilling Fluids - largest drilling fluids company in the world
Nexans - leading cable and umbilical manufacturers
Contact: , Phone: (+47) 22 63 88 00, Fax:
Oslo, NORWAY, Europe(North)
Nexen - is a Canadian-based, global oil gas petroleum company
Contact: , Phone: 403-699-4000, Fax: 403-699-5800
Alberta, CANADA, America(North)
Nexus Energy - is a Melbourne based, Australian Stock Exchange listed oil and gas company
Nexus Floating Production Ltd - supplier of high quality harsh environment FPSOs
Niche Products Limited - provide the Pelagic Range of environmentally superior Hydraulic Control Fluids to the Offshore Oil and Gas Industry.
Nicsa - supplies all kinds of electrical and instrumentation materials
Nigeria Liquefied Natural Gas Limited (NLNG) - joint venture LNG company, largest shareholder is Nigerian National Petroleum Corporation
Nigerian National Petroleum Corporation NNOC - commercial international corporation
NKT Flexibles - engineering and supplier of flexible pipe tubulars and subsea oil gas pipeline
NLI Asker Subsea AS - Designs, produces and promotes standard and custom-made equipment for subsea oil and gas production
NLI Engineering AS - supplier of engineering services
NMA Maritime and Offshore Contractors BV - large offshore equipments by means of vessel Float-On/Float-Off, Roll-On/Roll-Off and Lift-On/Lift-Off operations
Noble Corporation - one of the largest offshore drilling contractors in the world today
Noble Denton - inspection and testing consultancy & surveying services
Noble Drilling - one of the largest offshore drilling contractors
Contact: , Phone: +1 281-276-6100, Fax: +1 281-276-6464
Sugarland, USA, America(North)
Noordhoek - underwater contractor in all projects with underwater activities.
NOR Instruments AS - supplier of control valves, safety relief valves, bursting discs, on/off valves, actuators and valve automation systems
Norac Baggerød AS - suppliers of interior systems to the marine and offshore industries
Norbar Torque Tools Ltd. - manufacture of torque wrench
Nordisk Højtryk AS - Specialises in high-pressure pumps and compressors up to 3 000 bar
Nord-Lock - manufacturing of a superior securing system designed for bolted joints
Nordseetaucher GMBH - services to the international oil and gas industry for projects in extreme water depths, offshore and on land (very shallow/very deep)
Noremech AB - Business concept is marketing, manufacturing and assembling of customer-specific subsea mechanical structures
Norriseal - A Dover Company - supplier of valve and control solutions
Norsafe AS - manufacturers of lifeboats for ships and the oil and gas industry
Norse Cutting & Abandonment AS - plug and abandonment and decommissioning activities
Norsk Hydro - an industrial company based on the use of oil, natural gas, LNG resources
North American Sensors Corp - magnetic reed level switches, pressure transmitters, pressure gauges, pressure switches, temperature gauges, bi-metal thermometers
North Pacific Crane Company - designs, manufactures, and services marine and offshore cranes
Northern Offshore - operates five drilling units in South East Asia and Europe and one floating production unit currently based in the southern UK
Northern Petroleum Plc - an oil and gas exploration, development and production company
Northern Technologies Intl. - developing, marketing and selling proprietary environmentally responsible materials science based products and technical services
Norton Wells - independent supplier of genuine replacement marine mechanical seals
Norut Teknologi AS - offers R&D services in the fields of Materials Technology and Structural Engineering.
Norwegian Geotechnical Institute (NGI) - expertise in geology, geophysics and geotechnics
Norwegian Petroleum Directorate - is an independent State administration body reporting to the Ministry of Petroleum and Energy
Norwegian Valve Technology A/S ( NVT ) - specializing in Valves and Actuators related to the On & Offshore Industry worldwide
Norwegian Welding Control AS - offer the total range of services to enhance the competitive strenth of welding companies
Noshok, Inc. - offer a liquid filled pressure gauge
Nouel Consult - Engineering Consulting Services for Marine Works and Port Facilities
Novaflex Industries - selection of duct, hose, connectors and venting systems
NSI Upstream - upstream reservoir, petroleum, and production engineers with unmatched production well management tools
Numerical Rocks - Business concept is based on building up numerical models of petroleum reservoir rocks
Nunaoil - Nunaoil is the National Oil Company of Greenland
NU-TEC - providing the oil industry with the safest and most economical solution to test Sub Sea BOP stack's and related surface equipment
NUT-SEAL Company - protector systems are designed and manufactured to prevent corrosion of nuts and bolts.

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