A major port, through which pass most of Taiwan's marine imports and exports, is located at the city but is not managed by the city government.

The port is managed by the Port Authority of Barcelona.

This port is currently managed under the Philippine Ports of Authority(PPA).

The port is managed by Companhia Docas de Rio de Janeiro.

This port is operated and managed by Petroleum Development Oman LLC.

The major ports are managed by port trusts which are regulated by the central government.

There's an automated refueling post over one of the gas giants which is owned by TexAmP, but the port is locally managed.

The port is managed by a semi-autonomous state company.

All the minor ports are managed by the Tamil Nadu Maritime Board.

In fact, some European ports are already managed by authorities or companies from third countries.