THE GEOGRAPHY OF TRANSPORT SYSTEMS
| Transport Sector | Function |
| Maritime shipping companies | Control long distance segments of the global freight distribution linking major markets. Highly capital intensive industry. |
| Global port operators | Control important intermodal infrastructures (terminals) within the world�s largest container ports. Have strong linkages with maritime shipping companies. |
| Port authorities | Manage and plan port infrastructures. Tend to lease the operation of terminals. Important intermediaries for regional distribution (hinterland). |
| Maritime lock and canal operators | Insure the operation of strategic passages in global and national distribution. This mainly includes the Panama canal, the Suez Canal and the St. Lawrence Seaway. |
| Rail and rail terminal operators | Strategic inland freight carriers transporting a wide array of raw materials and commodities. Responsible for many of the transshipments between rail and road, particularly for containerized freight. |
| Trucking industry | Control vast and diverse assets that include critical segments of freight distribution in all economic sectors. |
| Third party logistics providers | Important managerial and organizational skills within supply chains. Often act as brokers between transport customers and service providers. |
| Air freight transport companies and air freight terminals | Important assets for the rapid distribution of high value added freight. |
| Distribution centers | A crucial element of modern supply chains. Perform tasks such as packaging, labeling and the consolidation of shipments to customers. |