Fitzwilliam Motor Sales, Inc.

Fitzwilliam Orthodox Church and Orthodox Society

Fitzwilliam Police Association

Fitzwilliam Police Associations

Fitzwilliam Public Welfare Association

Fitzwilliam Publishing Company

Fitzwilliam Quick Mart

Fitzwilliam Realty

Fitzwilliam Savings Bank

Fitzwilliam Schoolhouse, L.L.C

Fitzwilliam Security Services

Fitzwilliam Shopping Center

Fitzwilliam Steam Power Company

Fitzwilliam Swimming Club, Inc.

Fitzwilliam Video

Fitzwilliam Village Turnpike Corporation

Fitzwillliam Development Association

Fitzwillliam District Nursing Association

Five Seven Enterprises

Five Wings Studio