First Harvest Federal Credit Union is a federally chartered credit union located in Deptford, New Jersey, serving members in the South Jersey region. The institution provides traditional credit union services including savings accounts, loans, and financial products to its membership base.

First Heritage Federal Credit Union is a community-based credit union headquartered in Corning, New York. It serves members in the Corning area and surrounding regions with traditional credit union services including savings, loans, and financial products. The institution operates as a federally chartered credit union regulated by the NCUA.

First Service Credit Union is a federally chartered credit union headquartered in Houston, Texas. It serves members primarily in the Houston metropolitan area and surrounding regions. The institution provides standard credit union services including savings accounts, loans, and financial products to its membership base.

First Source Federal Credit Union is a federally chartered credit union headquartered in New Hartford, New York, serving the Mohawk Valley region. The institution provides financial services including savings accounts, loans, and other member products to its community-based membership.

First South Financial Federal Credit Union is a state-chartered, federally insured credit union headquartered in Bartlett, Tennessee, established in 1957. It serves over 72,700 members across Tennessee and Mississippi with approximately $800 million in assets and operates 16 branch locations. The credit union provides comprehensive banking services including savings accounts, loans, and other financial products to residents of Greater Tennessee.

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.

Firstlight Federal Credit Union is a federally chartered credit union headquartered in El Paso, Texas, serving the El Paso area and surrounding regions. The institution provides financial services including savings accounts, loans, and other member services typical of community credit unions.

Firstmark Credit Union is a federally insured, state-chartered credit union headquartered in San Antonio, Texas, chartered in 1932. With approximately $1.3 billion in assets and 89,089 members across 15 branches in Texas, it holds a low-income designation from the NCUA. The credit union was originally founded as San Antonio Teachers Credit Union and serves a broad geographic and occupational field of membership across south-central Texas.

Five Star Credit Union is a federally chartered credit union headquartered in Dothan, Alabama, serving members in the southeastern United States. The institution provides traditional banking services including savings accounts, loans, and other financial products to its membership base.

Fivepoint Credit Union is a federally chartered credit union serving the Nederland, Texas area. The institution provides financial services to members in Southeast Texas. Limited public information is available about this credit union.