shipping agency services to shipowners, operators and charterers, namely of vessel husbanding for oceangoing passenger and cargo ships consisting of communications and accounting services, assistance in compliance with applicable laws and regulations, and arranging and coordinating the following services provided by independent parties - pilotage, tug escort and ship assist services, provisioning of vessel spare parts, supplies, and fuel, ship repair services, cargo handling services, vessel berthing at ports and terminals, security guard services, services provided by governmental agencies, land transportation services for ship's crew in transit, medical services for ship's crew