Oak Hill Sales, 4246 State Route 5, Frankfort, NY 13340, US

Alpin Haus is a family-owned recreational vehicle dealership that operates four locations in New York. As one of the largest RV dealers in the United States, the company offers everything from pop-up campers to diesel motor homes from top brands. While all four Alpin Haus locations sell RVs, the Amsterdam, N.Y., location on Route 30 has one of the largest full-service boat dealerships in the state, featuring more than 400 boats and personal watercraft from Bayliner, Ski-Doo and Yamaha. In addition, the location carries snowmobiles, all-terrain vehicles, in-ground and above-ground pools, pool accessories, patio furniture and spas. Its on-premise ski shop is one of the largest in the Northeast and features a large selection of both adult and children's apparel and equipment. Alpin Haus has been in business since 1964.