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Our history begins in 1924, when John's father, Rocco, and his wife Emmanuella buy a Gulf service station in Concord, NH to supplement the family income from his job at a local quarry. In 1929, he begins offering Pontiac automobiles.

In 1939, Rocco adds Desoto and Plymouth franchises.

As World War II increases demand for rubber, Rocco establishes a tire retread business in 1941.

In 1948, Rocco obtains the John Deere farm and industrial equipment franchise.
Rocco turns the business over to his son, John, who expands the Pontiac franchise. The Grappones obtain the AMC/Jeep and Ford franchises.
Allen and Bob join their father, John in the business. From 1968 to 1974, the Grappones acquire Toyota, Subaru, Mazda and Honda
In 1982, The Grappone Companies begin offering Ford heavy trucks.
In 1989, The Grappone Companies adds Suzuki. Allen and Bob take control of the family business in 1990, and add Saturn in 1991. Grappone operations begin in Vermont. The Saturn dealership expands to Nashua.
Volkswagen and Hyundai are added in 1995. Bob as sole owner in 1997, adds Autosure used cars. The business is named NH's largest privately owned company by NH Business Magazine. Bob and Bev are named NH's "Citizens of the Year" in 2004.