Business operation of port facilities; Customs clearance services; business operation of sea walls, jetties, piers, wharves, docks, boat landings, and other harbor improvements, warehouses, storehouses, elevators, grain-bins, cold storage plants, terminal icing plants, bunkers, oil tanks, ferries, canals, locks, tidal basins, bridges, subways, tramways, cableways, conveyors, administration buildings, fishing terminals, together with modern appliances and buildings

Seaport services by a port authority, namely, development and maintenance of harbor improvements, rail or motor vehicle transfer and terminal facilities, water transfer and terminal facilities; reconditioning of all commodities received in port and operating facilities for the freezing or processing of goods, agricultural products, meats or perishable commodities

Cargo loading and unloading; marine transport services; providing vessel mooring facilities for the handling, packaging, storing, and transporting of freight and handling of passenger traffic, rail and motor vehicle transfer; providing commercial moorage facilities; and seaport services provided by a port authority