This list only lists Companies which span multiple Caribbean Nations. Check here for Caribbean Organizations. For country specific sites check the individual country pages. Better yet check out the following recommended Caribbean Business Directories :

• CaribGuide Index
• Caribbean Place
• Carib Info Yellow Pages
• See Caribbean Directory
  

• Computers & Internet  (Information Technology) 
  • IBM Caribbean
  • PMG Internet Ltd
  • Storm Cay International (Networking)
  • Sysmac Production
  • Turquoise Systems Group
• Finance 
  
• Caribbean Group for Cooperation in Economic Development
• Caribbean On-line Business Exchange
  
• Health 
  
• Global Medical Health Centers and Resorts
• Real Estate 
  • Caribbean Home Ownership (A Novices Handbook)
  • Caribbean Property List
  • Resort Consultants Inc.
    
• Shipping
  
  • Blue Water Marine Shipping
  • Directory of Caribbean Shipping Agents
• Online Shopping
• Caribbean Expressions On-line
• Iere Net (For Music)
• Telecommunications 
  
  • ATT's presence in the Caribbean
  • Cable and Wireless PLC
• Travel & Tourism (Airlines, Hotels, Resorts) 
  
  • Airlines
    • Air Aruba
    • Air Caribbean
    • Air Jamaica
    • ALM Antillean Airlines
    • BWIA International Airlines
    • Fly BVI
    • LIAT
  • Yachting/Sailing
    • Bareboat Depot
    • SailAway Yacht Charter
  • Resort Chains
    • Beaches Resorts (Jamaica and Turks & Caicos)
    • Sandals Resorts
  • Eco-Travels in the Caribbean
  • Horizon Tours
  • Caribbean Doers and Dreamers (Private Villas and Chartered Yachts)