The following are some of the facilities provided by port authorities

Cargo handling, stevedoring, warehousing and delivery.
Acquisition of cargo handling and operations related equipment.
Development and maintenance of ports' superstructure.

Maintenance of safety and security within the terminal.
Towage, mooring, bunkering, ship chandelling and ship repairs

A tarmac is an area of ground covered with a hard surface, esp. the areas of an airportwhere aircraft park, land, and take off: not a facility provided by the port authority.