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D&E Trading - Slide bearings with various performances and in different materials, such as bronze, brass, bimetal, three-layer and plastic compound
D.F. Barnes Limited - manufacturing, fabricating and repair services in the marine, shipbuilding, offshore oil and gas and industrial sectors
D.G. O'Brien, Inc. - design and manufacture of high reliability hermetic connectors, penetrators and cable assemblies for extreme environments
D.L. Ricci Corp. - sales and rental of portable machining equipment.
D2M - product development, comprehensive cost reduction of existing products, and strategic business development services
Dacon AS - Manufacturer and seller of retrieval systems for lifeboats and rescue craft
Dafco NV - Safety tools with a Nuplaglas fibreglass handles; non-sparking tools
Daisy Data Displays, Inc. - cost-effective production and process monitoring techniques
Damalini AB - applications such as shaft alignment and bore and bearing journal alignment for propeller drive line installations, motors and pumps, diesel engines
Damcos - marine tank management, valve actuation and tank measurement, intended for use on ships and in the oil and gas industries
Dana Petroleum - ten North Sea fields in production
Danco Pump & Sypply - provide complete pump service for all your pumping equipment
DAN-LOC Bolt & Gasket - contract review, training, manufacturing, inspection, testing, and shipping
Dantorque a.s - develop and market a range of specialist subsea valve actuation products
Dassault Systemes - Product Lifecycle Management software solutions (PLM) using the power of three-dimensional (3D) representation
Datalog Technology - a world leader in providing logging, geology data acquisition services
Davis-Lynch, Inc. - Multi-Purpose Float Collars, Stage Cementing tools, Inner-String Cementing tools, Inflatable Packers, Flotation Collars
Dawson Geophysical - 3-D exploration engineering geology seismic data
DCD-Dorbly (Pty) Ltd Marine - service to the fast growing Heavy Engineering Industry in South Africa
De Haan Musselkanaal B.V. - designer and manufacturer of steel wire rope sockets and lifting blocks
Decommissioning Services - environmental services in the fields of site supervision, facility assessment and environmental engineering, design and remediation
Dedico AS - Inspection and maintenance planning, management evaluation, analysis/RBI, recommendations based on technical condition
Deep Down Inc - designers and manufacturers of subsea, surface, and offshore rig equipment in deep-water exploration and production of oil and gas worldwide
Deep Marine Technology - platform inspection and repair, or for drilling and construction support
Deep Sea Supply - offshore supply company
DeepOcean AS - provision of high quality services within Inspection, Maintenance & Repair, Survey and Construction Support and Subsea Decommissioning
Deepsea Engineering and Management - subsea consultancy to the deepwater market for riser, flowline and umbilical design.
Deepsea Power & Lights - standard products are rigorously designed to perform in the harsh marine environment, from wet/dry surface applications to full ocean depth deployments
Deepwater Corrosion Services Inc. - a full-service offshore corrosion control company, supplying the oil and gas industry with expertise in cathodic protection and anti-corrosion consulting
Deepwater Specialists, Inc. - facilities commissioning services to the oil and gas industry
Delitek AS - waste handling systems specially designed for use onboard ships, offshore installations and the fish industry
Della Foglia SAS - forgings in carbon steel, stainless steel, duplex and other special materials
Delmar - offshore mooring, providing the safest, most efficient mooring solutions for the oil and gas industry.
Deloro Stellite, Inc. - heat, abrasion, corrosion, erosion and galling
Delta Centrifugal Corporation - produces centrifugally cast tubes in over 200 grades of stainless steel, nickel, cobalt, and copper based alloys
Deltamarin Group - provides services for shipping, shipbuilding, naval, marine and offshore industry worldwide
Deltamarin Ltd - consulting and engineering company specialising in marine and offshore projects
Deltek Systems Inc. - leading provider of application software and solutions to project based businesses and professional services firms
Den-Con Companies - provides pipe handling tools, including a complete range of power slips and flush spiders, bushings, bowls, slips, clamps, elevators
Derrick Equipment Company - effective solids control is essential for economic and product efficiency in the drilling sector
Derrick Offshore - leading independent international broker specialising in the offshore energy and subsea cable industries.
Derrick Services Ltd - General Fabrication, Engineering & Project Management, Offshore Construction Services
DES Operations - are subsea processing and production optimisation specialists
Desire Petroleum Plc - explore and identify commercial hydrocarbon reserves
Desmi A/S - Vertical and horizontal pumps, self-priming and non-self-priming
Destec Engineering Limited - High Pressure and High Temperature metal-to-metal static sealing
Det norske oljeselskap ASA - is an innovative, independent and aggressive oil company
Det Norske Veritas - classification, certification, technology services and consultancy. Offers state-of-the-art engineering software integrated with workflow solutions
Detcon inc. - gas detection sensor technologies and control options serves our customers with an advantage in practical and affordable gas detection solutions
Devon Energy - independent oil and gas exploration services and producer
Dexter Magnetic Technologies, Inc. - design, engineering and manufacturing of complex magnetic circuits, permanent magnets, magnetic assemblies, electromagnetic systems, as well as finished products serving
DFDS A/S - is a leading North European liner shipping company
DH Budenberg SA - advanced range of pressure standards and calibration systems.
DH Instruments, Inc. - provide superior calibration solutions through innovative technology
DHI Water & Environment - ecology and environmental chemistry, water resources, hydraulic engineering and hydrodynamics
DHL International GmbH - global market leader in international express, overland transport and air freight
DHV Industries Inc. - Refining, Gas/Oil, Pipeline, Petrochemical and Power Plant.
Diamond Offshore - leading deepwater offshore subsea well drilling contractor
Contact: , Phone: (+180) 08 48 19 80, Fax: (+128) 14 92 53 78
Houston, USA, America(North)
Diamond Products International - global supplier of quality PDC Bits, Natural Diamond Bits
Diamould Limited - designing and manufacturing electrical, hydraulic and fibre optic connectors
Diesel Power AS - Producer and supplier of tailormade diesel and gas generating sets for the shipping and offshore industries
Dietswell Engineering - provides drilling operations management services, experienced consultants and state-of-the-art well engineering solutions
Digilog Services Ltd - remote intervention ROV control, tooling and survey systems
Discflo Corp. - engineering pump solutions for hard-to-pump applications
Discover Petroleum - unique exploration technology that will transform hydrocarbon exploration
Divex Ltd - is recognised as the global industry leader in the design, supply, manufacture, research and development of diving and subsea equipment
Dk Tech Corp. - products with a wide range from analytical and process instrumentation, gas, power generation, petrochemical processing, shipbuilding to semiconductor manufacturing
DNH A/S - ranges of loudspeakers for industrial and commercial applications
DNO - development of smaller petroleum fields
Contact: , Phone: (+47) 23 23 84 80, Fax: (+47) 23 23 84 81
Oslo, NORWAY, Europe(North)
DNT Offshore SRL - independent Italian contractor, specialising in the provision of Electric ROV shallow and deepwater subsea assistance services
DnV - Det Norske Veritas - inspection and testing, verification and classification services
Contact: , Phone: (+47) 67 57 99 00, Fax: (+47) 67 57 99 11
Oslo, NORWAY, Europe(North)
Dockwise - specialist in heavy transport barges ocean shipping and operates world-wide
Contact: , Phone: (+32) 33 17 02 00, Fax: (+32) 33 15 85 53
Meer, BELGIUM, Europe(North)
Dockwise Shipping B.V. - offers clients unequalled flexibility and transport capacity.
DOER Marine - capabilites for ROV and submersible support services
DOF Subsea UK - subsea services contractor, providing survey, IRM, construction support and subsea engineering
Dolphin Drilling - operating and managing drilling and workover vessels
Dominion Technology Gases Ltd - industrial cylinder gas specialist supplying the full range of diving, welding, industrial, laboratory, test and calibration gases
Domnick Hunter Ltd - Filtration, purification and separation of compressed air and gases.
DONG - danish oil and gas exploration services company
Contact: , Phone: (+45) 45 17 10 22, Fax: (+45) 45 17 10 44
Hørsholm, DENMARK, Europe(North)
Dongying Goldenman Trading co.,ltd - provide drill pipe drill collar casing and tubing
Doris Engineering - widespread application of the innovative engineering solutions
DOTgroup International - focused towards the Oil & Gas, Petrochemical, Power, Ship building and Building Services / Construction industries
Douce Hydro - designing and manufacturing all types of heavy-duty hydraulic cylinders
Douglas-Westwood - business research & analysis, strategy and commercial due diligence
Downhole Products plc - specialises in the design and manufacture of specialist quality oilfield equipment
Downhole Stabilization - manufacturers of downhole stabilizers completion tools
DPS Offshore - is the global leader in the rental of marine electronic equipment covering, offshore survey and construction, inspection ROV systems, ROV and diver tooling packages, geophysical and environmental sensors
Draco Spring Mfg. Co. - capabilities of producing virtually every type of spring, which also includes wire forms and metal stampings
Draeger Safety, Inc. - protects and saves lives through uncompromising innovation safety solutions
Dragados Offshore, S.A. - jackets (supports of platforms for crude extraction), turrets, decks, process, accommodation and FPSO modules, semi-submersibles, mooring buoys, modular plants, industrial equipment, etc.
Dragon Oil - is an independent oil development and production company
Dragon Products, Ltd. - integrated cement and concrete company deep-water shipping terminals
Draka Marine, Oil & Gas International - safe, reliable wire and cable solutions
Draka Norsk Kabel AS - cables and umbilical for the oil, gas and marine markets
DrawWorks, L.P. - manufactures and sells circulating, fill-up and flow-back tools for oilfield tubulars including casing, tubing and drill pipe
Dreggen Crane AS - special cranes in Ex-proof design, such as hoists, trolleys and slewing cranes, electric, pneumatic or manually-operated cranes, X-mas tree, BOP handling
Dresser - complete line of piping specialties for the natural gas, water distribution, and general industrial markets
Dresser-Rand - leading supplier of production equipment as compressors and separators
Drexelbrook - chemical, petrochemical, refining, power, water and wastewater, food, pharmaceutical, pulp and paper, mining, automotive, and many others.
Drilling Support Systems AS - delivers well service and stimulation equipment based on customers specifications
Drillmec Spa - production of rigs for the oil, gas and water well drilling
Drilltech Group - a leading specialist drilling rental tool company whose primary focus is supporting complex drilling campaigns
Dril-Quip - manufacturers drilling and production equipment as wellheads and tubing
Dril-Quip (Europe) Ltd - A leader in engineering, manufacturing, sales and services of surface and subsea drilling and production equipment
Drives, Incorporated - leading manufacturer of ANSI Precision Roller Chain, Pintle Chain, Agricultural Conveyor Chain, Engineering Class Chain, Oil Field Roller Chain and Auger products
DSG-Canusa - heat shrink products and related technology
DSND Subsea - is a leading underwater fabrication and construction offshore subsea contractor
DUCO Umbilicals - leading manufacturer of umbilicals (steel and thermoplastic)
Duffy & McGovern Accomodation Services - engineering, sleeping and general purpose units. From laundries to locker rooms, laboratories to logging.
DuPont Performance Elastomers - leading global supplier of specialty elastomers and supporting technologies
DuPont Safety Resources - Global solution provider for workplace safety and operational excellence
Durameter Milton Roy - Durameter Milton Roy manufacturers Series Metering Pumps
Dynacon, Inc - cable and umbilical handling systems, instrumentation for oil and gas
Dyna-Drill Technologies - an ultra-modern plant, computerized engineering capabilities, coated bearings, corrosion and mechanical fatigue
Dynaenergetics GMBH & CO KG - Manufactures, markets and sells oil field perforating equipment and explosives for seismic prospecting and decommissioning.
Dynamic Load Monitoring - manufactures load cells for measuring loads in land, marine and subsea operations
DynaTorque Inc. - manufacturing manual gear operators and specialty products for use with automated valves
Dynex/Rivett Inc. - manufactures hydraulic components and systems for use on mobile and industrial machinery pumps, valves, motors and power units

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