Twin Rivers Federal Credit Union is a federally chartered credit union based in Massena, New York, serving the North Country region. The institution provides financial services including savings accounts, loans, and other member-focused products to its community.

Tyndall Federal Credit Union is a credit union serving the Panama City, Florida area and surrounding regions. It is affiliated with Tyndall Air Force Base and serves military personnel, civilians, and their families. The institution provides banking services including savings accounts, loans, and other financial products to its membership.

U.S. Eagle Federal Credit Union is a federally chartered credit union based in Albuquerque, New Mexico. It serves members in the southwestern United States with a focus on providing financial services to eligible individuals and families. The credit union operates as a member-owned cooperative financial institution regulated by the National Credit Union Administration (NCUA).

Umassfive College Federal Credit Union is a credit union serving the University of Massachusetts community and affiliated members in Hadley, Massachusetts. It provides financial services to students, faculty, staff, and employees of the UMass system and their families.

Uncle Credit Union is a federally chartered credit union located in Livermore, California. It serves members in the local community with standard credit union services including savings accounts, loans, and financial products. The institution operates as a member-owned cooperative financial institution regulated by the National Credit Union Administration (NCUA).

Unify Financial Federal Credit Union is a nationwide credit union headquartered in Allen, Texas, with over 260,000 members and approximately $4.3 billion in assets as of 2025. Founded in 1948, it operates branches across multiple states including California, Nevada, Arizona, and Arkansas. As of November 1, 2025, Unify merged with CommunityAmerica Credit Union to form a combined institution.

United Energy Credit Union is a federally chartered credit union serving members in the Humble, Texas area and surrounding regions. The institution provides financial services including savings accounts, loans, and other banking products to its membership. It operates as a community-based financial cooperative.

United Heritage Credit Union is a state-chartered, federally insured credit union headquartered in Austin, Texas, founded in 1957 as Military Federal Credit Union. The institution has over $1 billion in assets and operates multiple branches throughout Central Texas and Tyler, serving the greater Austin metropolitan area. It is regulated by the Texas Credit Union Department and the National Credit Union Administration.

United Nations Federal Credit Union (UNFCU) is a member-owned, not-for-profit financial cooperative headquartered in Long Island City, Queens, New York, founded in 1947 by United Nations employees. It serves over 200,000 members across more than 200 countries with assets exceeding $8 billion, offering banking, investment, and insurance products. UNFCU operates branches in New York, Washington D.C., and Virginia, with representative offices in Geneva, Vienna, Nairobi, Rome, and Entebbe.

United States Senate Federal Credit Union is a federally chartered credit union headquartered in Alexandria, Virginia, serving members of the U.S. Senate and related congressional staff. The institution has been a primary financial services provider for Senate employees and their families for decades.