THE GEOGRAPHY OF TRANSPORT SYSTEMS
| Holding | Australia | Europe | North America | Pacific Asia | South America / Caribbean | South Asia / Middle East | Total |
| APM Terminals | 7 | 13 | 7 | 3 | 5 | 35 | |
| Dubai Ports World | 5 | 9 | 1 | 10 | 3 | 12 | 40 |
| Hutchison Port Holdings | 7 | 21 | 8 | 2 | 30 | ||
| Port of Singapore Authority | 10 | 18 | 1 | 29 | |||
| Total | 5 | 33 | 14 | 56 | 14 | 20 | 143 |
Source: Web sites of various port holdings.
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