St. Lawrence Federal Credit Union is a community-based credit union headquartered in Ogdensburg, New York, serving the North Country region since 1954. The institution operates multiple branches across upstate New York and holds approximately $244–252 million in assets with over 12,000 members. It is federally insured by the NCUA and provides full-service banking products and services.

Sea Comm Federal Credit Union is a federally chartered credit union headquartered in Massena, New York, serving the North Country region. The institution provides financial services including savings accounts, loans, and other consumer banking products to its membership.

Sidney Federal Credit Union is a small credit union serving the Sidney, New York area. The institution operates as a community-focused financial cooperative. Limited public information is available about this institution.

Suffolk Federal Credit Union is a federally chartered credit union based in Medford, New York, serving members in Suffolk County and surrounding areas. The institution provides standard credit union services including savings accounts, loans, and financial products to its membership base.

Sunmark Credit Union is a community-chartered credit union headquartered in Latham, New York, serving the Capital Region and multiple counties throughout New York State. Established in 1937 as a General Electric employee credit union, it has grown to over $1.2 billion in assets with approximately 89,700 members. The institution offers comprehensive financial services including savings, lending, insurance, and investment products.

The Summit Federal Credit Union, founded in 1941, is a not-for-profit, member-owned financial cooperative headquartered in Rochester, New York, with over $1.3 billion in assets and more than 93,000 members. The institution operates multiple full-service branches across the Finger Lakes, Western, and Central New York regions, including locations in Rochester, Buffalo, Syracuse, Seneca Falls, and Cortland. The Summit provides a comprehensive range of financial products including checking and savings accounts, personal and auto loans, mortgages, credit cards, and investment services.

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.

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.

USAlliance Federal Credit Union is a federally chartered credit union headquartered in Rye, New York, established in 1966. With approximately $3.4 billion in assets and nearly 194,000 members, it operates 20 branches across Connecticut, Massachusetts, and New York. The credit union serves a diverse membership including employees of major corporations and various community organizations.

Visions Federal Credit Union is a member-owned, nonprofit financial institution headquartered in Endwell, New York, chartered in 1966. It serves approximately 252,000 members across New York, Pennsylvania, and New Jersey with over $5.2 billion in assets and 40+ branch locations. The credit union offers comprehensive banking services including checking and savings accounts, auto loans, mortgages, and business lending.