Polynesian Adventure Tours, Inc. (co-branded as Gray Line Hawaii, also known as Polyad) is a tour and transportation company in Hawaii. It was founded in 1977 by Bob George and his partner Don Brown who started the company as an operator of van sightseeing tours in Waikiki, specializing in personalized tours that utilized drivers as narrators and guides. It's the largest tour bus company in Hawaii. In 2004 it was acquired by Norwegian Cruise Line. Polynesian Adventure Tours maintains offices on Oahu, Maui, Kauai, The Big Island and provides tours to Hawaiian landmarks. - Source: Wikipedia
