Authorization to perform marine surveys and issue the relevant certificates required by National and International Conventions has been granted by IMMARBE to the following organizations:
IACS
- American Bureau of Shipping (ABS)
- Bureau Veritas (BV)
- China Classification Society (CCS)
- Det Norske Veritas(DNV)
- Germanischer Lloyd (GL)
- Indian Register of Shipping (IRS)
- Korean Register of Shipping (KRS)
- Lloyds Register of Shipping (LR)
- Nippon Kaiji Kyokai (Class NK)
- Polski Rejestr Statkow S.A. (PRS)
- Registro Italiano Navale (RINA)
- Russian Maritime Register of Shipping (RMRS)
NON-IACS
- China Corporation Register of Shipping (CRS)
- Dromon Bureau of Shipping (DBS)
- Intermaritime Certification Services (ICS Class)
- International Naval Surveys Bureau (INSB)
- Isthmus Bureau of Shipping (IBS)
- Maritime Technical System & Services Limited (MTSS)
- New United (Int’l.) Marine Services Ltd. (CLASSNU)
- Panama Bureau of Shipping (PBS)
- Panama Maritime Documentation Services (PMDS)
- Universal Maritime Bureau CO., LTD. (UMB)
- Universal Shipping Bureau Inc. (USB)