Digital Federal Credit Union (DCU) is a federally chartered credit union headquartered in Marlborough, Massachusetts, with over 1.8 million members across all 50 states. Founded in 1979 for employees of Digital Equipment Corporation, it has grown to become the largest credit union headquartered in New England, managing approximately $28.6 billion in assets. DCU merged with First Technology Federal Credit Union on January 1, 2026, creating the sixth-largest credit union in the United States by assets.

Hanscom Federal Credit Union (Hanscom FCU) is a federal credit union serving members of Hanscom Air Force Base in Bedford, Massachusetts. The credit union primarily serves military personnel, civilian employees, and their families affiliated with the base. Hanscom FCU is chartered by the National Credit Union Administration (NCUA) and operates as a community-chartered institution.

Workers Credit Union is a state-chartered, federally insured credit union headquartered in Littleton, Massachusetts, founded in 1914. It operates 13 branches across central and northeastern Massachusetts with over $2.6 billion in assets and approximately 124,000 members. The credit union is one of the largest in Massachusetts and offers retail banking, mortgages, auto loans, and insurance services.