First Florida Credit Union is a not-for-profit, member-owned cooperative headquartered in Jacksonville, Florida, with 18���������19 branches throughout the state serving over 60,000 members. Established in 1950 as the Florida State Welfare Board Employees Credit Union, it has evolved to serve a broad membership base across multiple Florida counties and select employee groups. The credit union provides a full range of financial services including savings accounts, loans, mortgages, and digital banking options.

First Harvest Credit Union is a federally insured credit union headquartered in Deptford, New Jersey, serving over 54,000 members across South Jersey and parts of Pennsylvania. Originally chartered in 1940 as IUMSWA Federal Credit Union to serve shipbuilding employees, it has expanded through mergers and charter changes to serve a diverse membership base across multiple counties. The credit union operates ten full-service locations in New Jersey and provides both consumer and business financial services.

First Heritage Federal Credit Union is a not-for-profit financial institution originally chartered in 1954 as Ingersoll-Rand Employees Federal Credit Union, now operating as a community-chartered credit union. It serves over 50,000 members across 11 counties in New York and Pennsylvania, including Chemung, Steuben, and Tioga counties in New York, and Bradford, Lycoming, and Potter counties in Pennsylvania. The credit union has grown through multiple mergers and expanded its field of membership to serve the broader community since becoming community-chartered in December 2001.

First Service Credit Union is a federally insured, member-owned financial cooperative serving the Greater Houston area and surrounding Texas counties. Founded in 1977 by Brown & Root employees, it now serves over 60,000 members. The credit union offers checking, savings, loans, mortgages, and investment services with a focus on returning profits to members through competitive rates and low fees.

First Source Federal Credit Union, founded in 1938 in New Hartford, New York, is a not-for-profit, member-owned financial cooperative serving over 60,000 members across Oneida and Herkimer Counties in Central New York. As of April 2026, it converted from a Community Charter to a Multiple Common Bond Charter, expanding its eligibility criteria. The credit union operates multiple branches and offers a full suite of personal and business banking services.

First South Financial Federal Credit Union is a member-owned, federally insured credit union headquartered in the Memphis area, serving Tennessee, Mississippi, and Arkansas. Founded in 1957, it operates branches across the greater Tennessee region and Mississippi with over 67,000 members and approximately $597 million in assets. The credit union provides savings, loans, credit cards, mortgages, and other financial services to its membership.

First Technology Federal Credit Union (operating as First Tech Federal Credit Union) is a federally chartered credit union headquartered in Hillsboro, Oregon, serving over 700,000 members with approximately $17 billion in assets. Founded in 1952 by Hewlett-Packard and Tektronix employees, it specializes in serving technology industry workers and their families across the United States. In January 2026, First Tech merged with Digital Federal Credit Union to form First Technology Federal Credit Union, though both divisions continue operating under their respective names during integration.

FirstLight Federal Credit Union is a not-for-profit credit union headquartered in El Paso, Texas, serving over 101,800 members across El Paso, Fort Bliss, and Las Cruces (Do������a Ana County, New Mexico). Established in 1955, it offers a full range of financial services including checking and savings accounts, auto loans, mortgages, and credit cards, with assets exceeding $1.6 billion.

Firstmark Credit Union is a federally insured, state-chartered credit union headquartered in San Antonio, Texas, with approximately 89,000 members and $1.2 billion in assets. Originally chartered in 1932 as San Antonio Teachers Credit Union, it now serves a broader geographic area across south-central Texas. The credit union operates 12���������15 branch locations and is member-owned and not-for-profit.

Five Star Credit Union is a not-for-profit, member-owned financial cooperative founded in 1964 in Cedar Springs, Georgia, originally chartered to serve Great Southern Paper Company employees. Today it operates 29 financial centers across 42 counties in Alabama and Georgia, offering savings, checking, loans, and other banking services. The credit union serves members nationwide through digital banking while maintaining a geographic field of membership in its core service areas.