Global Contractors (GCo)

GCo membership is IMCA’s highest category of membership. It covers all divisions and regions and reflects the active commitment to the association and leading roles in good practice within the industry of the following companies.
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International Contractors (ICo)

ICo membership is for contractors with an international presence, operating in three or more IMCA regions as offshore oil and gas construction contractors. It covers all divisions and regions and reflects a significant commitment to supporting association’s work.
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Contractors (Co)

IMCA exists to represent its contractor members and the work programme is directed to serve them, in terms of production/dissemination of industry good practice guidance, work on topics of common interest, briefing and lobbying.
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Diving contractors are identified by the following sub-categories:

  • Diving   Contractor (unrestricted)
  • Diving   Contractor (surface supplied only)
  • Diving   Contractor (one-atmosphere suits only)
  • Diving   Contractor (one-year temporary membership)
  • Diving   Contractor (one-year temporary membership for surface supplied diving only)

Member nameDivisionsRegion
1Diamond LLCROVNorth America
AMI - American Marine InternationalDivingNorth America
Aqueos CorporationDivingNorth America
ArdentDivingNorth America
Atlantic Towing LtdMarineNorth America
Canship Ugland LtdMarineNorth America
Constructora Subacuatica Diavaz SA de CVDivingMarineNorth America
Delta Subsea LLC/ Delta Marine TechnologiesROVNorth America
Diamond Offshore Drilling IncMarineNorth America
Epic Divers & MarineDivingNorth America
Global Diving & Salvage IncDivingNorth America
Horizon Maritime Services LtdMarineNorth America
Hornbeck Offshore Operators LLCMarineROVNorth America
Hull Support Services LtdDivingROVNorth America
Jackson Offshore Operators LLCMarineNorth America
Noble Drilling Services IncMarineNorth America
Oceaneering International, Inc.DivingMarineSurveyROVNorth America
Petroserv Marine, IncMarineNorth America
Phoenix International Holdings, IncROVNorth America
Secunda Canada LPMarineNorth America
Tidewater Inc.MarineNorth America
TransoceanMarineNorth America
Transoceanic Cable Ship Company, LLC.MarineROVNorth America
UTEC Survey, Inc.SurveyNorth America
Valaris PlcMarineNorth America
Vantage Energy Services Inc. MarineNorth America

Suppliers (S and S*)

Those companies supplying IMCA’s contractor members can benefit from our work in their areas of expertise and interest; they also provide additional expert input to assist in our ongoing work programme, including development of industry guidance.
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Supplier types:

  • S1 Supplier of equipment or services (non-training), including: manufacturers; DP suppliers; R&D organisations; consultants; etc.
  • S2 Personnel agencies
  • S3 Training establishments (non-diving)
  • DT1 Training providers offering in-water basic diver training, leading to an IMCA recognised diver training certificate
  • DT2 Training providers offering IMCA Diving Division approved courses
Member nameTypeDivisionsRegion
Alliance Marine ServicesS1        MarineNorth America
Axess GroupS1        MarineNorth America
CDA Technical Institute, Inc        DT1DivingNorth America
Commercial Diving Institute of Canada      DT2 DT1DivingNorth America
Commercial Diving Technologies, LLC        DT1DivingNorth America
Compass Personnel Services Inc  S2      SurveyROVNorth America
Complete Logistical Services LLC  S2      DivingNorth America
Divers Academy International        DT1DivingNorth America
Divers Institute of Technology      DT2 DT1DivingNorth America
DiveSafe International        DT1DivingNorth America
DNV GL - Central & North AmericaS1        MarineNorth America
Forum Energy TechnologiesS1        ROVNorth America
Gulf Marine ContractorsS1        MarineNorth America
Holland College - Marine Training Centre    S3    MarineNorth America
I3P ConsultantsS1        MarineNorth America
International Diving Institute        DT1DivingNorth America
Kirby Morgan Dive SystemsS1        DivingNorth America
LBJ Maritime Inc      DT2  DivingNorth America
Marine Institute of Memorial University of Newfoundland and Labrador    S3    MarineROVNorth America
Marine Safety Consultants, Inc.S1        MarineNorth America
Mexssub International LLCS1        DivingNorth America
NuvairS1        DivingNorth America
Safe Marine AssuranceS1        MarineNorth America
Samson Rope TechnologiesS1        MarineNorth America
Seneca College - Underwater Skills Program      DT2 DT1DivingNorth America
Slingmax, Inc.S1        MarineNorth America
TE Connectivity - Rochester Wire & CableS1        ROVNorth America
Team Trident LLC  S2      SurveyROVNorth America
The Ocean Corporation        DT1DivingNorth America
Wärtsilä Dynamic Positioning IncS1        MarineNorth America

Corresponding (C)

Non-voting, corresponding membership is open to companies and organisations with an interest in IMCA’s work, but which the association does not represent directly, such as clients (oil companies, etc.), regulators (governments and other bodies) and other associations/professional bodies working in the offshore sector.
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Member nameDivisionsRegion
Association of Diving Contractors International (ADCI)DivingMarineSurveyROVNorth America
BHPDivingMarineSurveyROVNorth America
Canada-Newfoundland and Labrador Offshore Petroleum Board (C-NLOPB)DivingMarineSurveyROVNorth America
Center for Offshore SafetyMarineROVNorth America
Chevron Shipping CoDivingMarineSurveyROVNorth America
ConocoPhillipsDivingMarineSurveyROVNorth America
Diver Certification Board of CanadaDivingNorth America
ExxonMobil Development CompanyDivingMarineSurveyROVNorth America
Hess CorporationDivingMarineSurveyROVNorth America
Husky EnergyDivingMarineSurveyROVNorth America
IADC - International Association of Drilling ContractorsMarineSurveyROVNorth America
IAGC - International Association of Geophysical ContractorsSurveyNorth America
NOIA - National Ocean Industries AssociationDivingMarineSurveyROVNorth America
Offshore Operators Committee (OOC)DivingMarineSurveyROVNorth America
Suncor Energy Inc.DivingMarineSurveyROVNorth America
US Coast GuardMarineNorth America