- AIDA CRUISES LINE
- АДС "MARINE CENTER" LTD VARNA
- AMERICAN CLUB
- ATLAS MARINE
- BRITISH MARINE
- COSMOS SHIPPING
- COSTA CROCIERE S.p.A.
- DANISH MARITIME AUTHORITY
- DINEY CRUISE LINE
- EDELWEISS GASTRO
- GLOBAL SHIPPING &TOURISM BULGARIA EOOD
- GRAND CIRCLE FLEET MANAGEMENT
- MARINE CONSULT
- MARITIME ADMINISTRATION VARNA
- NORVEGIAN CRUISE LINE/ORIENT LINES
- OCEANIA CRUISES
- PACIFIC DRILLING
- REGENT SEVEN SEAS CRUISES
- ROYAL CARIBBEAN INTERNATIONAL
- SEE CHEFS RIVER MANAGEMENT LTD.
- V.SHIPS BULGARIA LTD.
- VESTLAND OFFSHORE
- 3 V SHIPPING
FLAG CERTIFICATES
- BAHAMAS MARITIME AUTHORITY
- LIBERIA
- MALTA
- MARSHALL ISLANDS
- MPA SINGAPORE
- PANAMA
