Gran Sasso Club Thunder Bay is a non-profit organization established in 1980 under the direction of Bruno Di Gregorio to raise funds for local charities as well as other worthy causes and to promote Italian culture.

Gran Sasso is a landmark, a majestic mountain, in central Italy in the province of Abruzzo between the cities of Teramo and L’Aquila 120 km east of Rome; the majority of founding members have their roots from the Gran Sasso region.

The club has supported among others:

- Alpini Choir

- Canadian Italian Business and Professional Association

- Canadian Mental Health Association

- Confederation College

- Friends of Schizophrenia

- George Jeffrey Children Foundation

- Hogarth Riverview Manor

- Institute of Italian Studies at Lakehead University

- Italian Cultural Centre

- Magnus Theatre

- Northern Cancer Research Foundation

- St. Anthony’s Church

- Stelle Alpini Performing Arts (Dance Group)

- Thunder Bay Abruzzo Earthquake Relief Fund

- Thunder Bay Shelter House

- Underground Gym and Youth Centre