1. Maritime Information Sources
    1.1.  Commercial Maritime Servers & Publications
    1.2.  Maritime Book Shops

2. Maritime Authorities
    2.1.  International Inter-Governmental Bodies dealing with Maritime Affairs
    2.2.  National Maritime Authorities (Flag Administrations, Port State Control, Investigation Units etc.)
    2.3.  Publishers of Hydrographic Information
    2.4.  Weather Services
    2.5.  Search and Rescue Services (SAR)
    2.6.  Spill Response Services  (incl. private sector)

3. Maritime Ports & Port Agencies
    3.1.  International Port Associations
    3.2.  International Port Enterprises
    3.3.  Other Information Sources on Maritime Ports
    3.4.  Maritime Ports - Managers & Authorities, Port Promotion, Services, Arrivals & Departures, Port Agents, Terminals & Stevedores

4. Ship Owners & Managers and NVOCC's
    4.1.  Link Lists specialized on Shipping Companies
    4.2.  International Ship Owner & Manager Associations
    4.3.  Ship Owners & Managers and NVOCC's ordered by countries

5. Maritime Transportation Clients
    5.1.  Shippers' Organizations
    5.2.  Freight Forwarders ordered by countries

6. Suppliers & Services
    6.01.  Suppliers - Shipyards
    6.02.  Suppliers - Marine Diesel Engines, Auxiliary Systems & Propellers
    6.03.  Suppliers - Marine Fuels & Lubricants
    6.04.  Suppliers - Marine Sensor, Control & Communication Systems
    6.05.  Suppliers - Marine Coatings & Chemicals
    6.06.  Suppliers - Deck Machinery & Equipment
    6.07.  Suppliers - Marine Safety Equipment
    6.08.  Suppliers - Container Leasing Companies
    6.09.  Suppliers - Ship Chandlers (Stores & Spare Parts)
    6.10.  Purchasers  (Ship Owner & Manager Purchasing Alliances)

    6.21.  Services - Maritime Finance
    6.22.  Services - Marine Insurance
    6.23.  Services - Ship Brokers
    6.24.  Services - Naval Architects
    6.25.  Services - Maritime Classification Societies
    6.26.  Services - Maritime Surveyors & Consultants
    6.27.  Services - Maritime Security Resources & Consultants
    6.28.  Services - Maritime Cargo Advice
    6.29.  Services - Maritime Legal Services  (Research, Schools & Lawyers)
    6.30.  Services - Maritime Salvage
    6.31.  Services - Divers
    6.32.  Services - Marine Engine Repairs

7. Maritime Crewing
    7.01.  Maritime Health Services
    7.02.  Standards of Training, Certification & Watchkeeping (STCW)
    7.03.  Maritime Training Equipment Manufacturers
    7.04.  Maritime Training & Research Providers
    7.05.  Maritime Crewing Research
    7.06.  Maritime Crewing Agencies
    7.07.  Maritime Unions
    7.08.  Maritime Professional Associations - Navigators
    7.09.  Maritime Professional Associations - Engineers
    7.10.  Maritime Professional Associations - Shore Occupations
    7.11.  Maritime Student & Alumni Associations
    7.12.  Maritime Crew Financial Services
    7.13.  Maritime Welfare Organisations

8. Crew Travel Advice
    8.1.  General Travel & Country Information (Embassy Reports, Health Advice, Currency & Time Zone Converters)
    8.2.  Visa & Immigration
    8.3.  Online Travel Services
    8.4.  Travel Agencies for Mariners
    8.5.  Airlines
    8.6.  Airports
    8.7.  Land Transportation (Railways & Busses)
    8.8.  Ferries

9. Communication & Data Processing
    9.1.  Postal Services & Postal Code Directories
    9.2.  Telecommunication Companies & Directories
    9.3.  Internet Services
    9.4.  Maritime Information Technology Resources
    9.3.  Maritime Electronic Data Interchange - Standards, Activities and Projects
    9.6.  Maritime Radio Communication, Satellite & Radio Training Services
    9.7.  Maritime Software Providers

10. Maritime Hobby & Travel Sites
    10.1.  Private Maritime Web Sites
    10.2.  Maritime News Groups, Mailing Lists & Chat Groups
    10.3.  Cruise & Passenger Ferry Lines
    10.4.  Freighter Cruises
    10.5.  Maritime Museums & Archives
    10.6.  Ship Photo Collections
    10.7.  Ship Modeling