Complex sentence: Uncle Sam's New York became the first walking tour company in the New York Pass guide book and also forged a partnership with New York Water Taxi alongside CitySights NY and Greyline Bus company, as well as NY SKYRIDE.
Split into simpler sentences: Uncle Sam's New York became the first walking tour company in the New York Pass guide book. It also forged a partnership with New York Water Taxi and CitySights NY and Greyline Bus company, as well as NY SKYRIDE.