Operated by MC&A, Diamond Head Vacations is a leisure travel services division that provides the coordination and execution of greeting services and transportation to and from airports and hotels. It offers guests a variety of recreation and sightseeing activities on the island. Diamond Head Vacations maintains several hospitality desks for activity arrangements and information. It has been the official ground operator for American Airlines since their inception in 1987. The division has also been the representative for Gogo Worldwide Vacations and Liberty Travel. MC&A is a destination management company that offers a variety of meeting and event planning services for professional organizations and corporate and incentive groups. Diamond Head Vacations is located in Honolulu.