- Shipowners
- Deep sea shipping
- Inland waterway carriers
- Towage companies
- Insurance companies
- P & I clubs
- Ship agents
- Shipmanagement companies
- Freight forwarders
- Shipchandlers
- Bunker suppliers
- NVOCC carriers
- Shipbrokers
- Shipyards
- Railway carriers
- Road carriers
- Manufacturers of transportation equipment
- Stevedores & terminals