Ports are also at the heart of economic activity for wider maritime clusters, including shipyards, marine equipment, crane and terminal equipment producers, salvage companies, offshore companies, marine construction firms, dredging firms, naval bases, etc.
Havens vormen het centrum van de economische activiteit in brede maritieme clusters met scheepswerven, scheepsuitrusting, producenten van kranen en terminalinstallaties, scheepsberging, offshorebedrijven, mariene bouwondernemingen, baggerbedrijven, marinebasissen enz.
