| State Bank of Southwest Missouri | Missouri |
| State Bank of Speer | Illinois |
| State Bank of St. Jacob | Illinois |
| State Bank of Table Rock | Nebraska |
| State Bank of Taunton | Minnesota |
| State Bank of Texas | Texas |
| State Bank of the Lakes | Illinois |
| State Bank of Toulon | Illinois |
| State Bank of Wapello | Iowa |
| State Bank of Waterloo | Illinois |
| State Bank of Wheaton | Minnesota |
| State Bank of Whittington | Illinois |
| State Bank & Trust | Alabama |
| State Bank & Trust Co. | Iowa |
| State Bank & Trust Company | Mississippi |
| State Bank & Trust Company | Louisiana |
| State Bank & Trust Company | Georgia |
| State Bank & Trust of Kenmare | North Dakota |
| State Central Bank | Iowa |
| State College Federal Credit Union | Pennsylvania |
| State CS Employees Federal Credit Union | New York |
| State Department Federal Credit Union | Virginia |
| State Employees Credit Union | Illinois |
| State Employees Credit Union | New Mexico |
| State Employees' Credit Union | North Carolina |
| State Employees Federal Credit Union | New York |
| State Farm Bank | Illinois |
| State Farm Federal Credit Union | Illinois |
| State Guaranty Bank | Oklahoma |
| State Highway Credit Union | Washington |
| State Highway Patrol Federal Credit Union | Ohio |
| State-Investors Bank | Louisiana |
| State National Bank of Big Spring | Texas |
| State Nebraska Bank & Trust | Nebraska |
| State Police Credit Union Credit Union | Connecticut |
| State Savings Bank | Iowa |
| State Savings Bank | Michigan |
| State Savings Bank | Iowa |
| State Savings Bank | Iowa |
| State Street | Massachusetts |
| State Street Bank | Illinois |
| Statewide Federal Credit Union | Mississippi |
| St. Athanasius Credit Union | Iowa |
| Stationery Credit Union | Missouri |
| St. Augustine Credit Union | Missouri |
| St. Augustine Presbyterian Federal Credit Union | New York |
| S&T Bank | Pennsylvania |
| St. Bernadette Credit Union | Missouri |
| STC Capital Bank | Illinois |
| St. Charles Bank & Trust Company | Illinois |
| St. Charles Parish Federal Credit Union | Michigan |
| St. Clair County State Bank | Missouri |
| St. Clair State Bank | Minnesota |
| St Cloud City & County Employees Credit Union | Minnesota |
| St. Cloud Federal Credit Union | Minnesota |
| St. Colman & Affiliates Federal Credit Union | Ohio |
| St. Columbkille Federal Credit Union | Ohio |
| St. Dominics Federal Credit Union | Massachusetts |
| Steamfitters Phila Federal Credit Union | Pennsylvania |
| Stearns Bank | Minnesota |
| Stearns Bank Holdingford | Minnesota |
| Stearns Bank Upsala | Minnesota |
| STEC Federal Credit Union | Texas |
| St. Edward Mercy Hospital Federal Credit Union | Arkansas |
| Steel Valley Federal Credit Union | Ohio |
| St. Elizabeth Credit Union | Pennsylvania |
| St. Elizabeth Employees Credit Union | Wisconsin |
| St. Elizabeth's Credit Union | Illinois |
| Stephens-Adamson Employees Credit Union | Mississippi |
| Stephens County Community Federal Credit Union | Georgia |
| Stephens-Franklin Teachers Federal Credit Union | Georgia |
| Stepping Stones Community Federal Credit Union | Delaware |
| Sterling Bank | Wisconsin |
| Sterling Bank | Missouri |
| Sterling Bank and Trust | Michigan |
| Sterling Federal Bank | Illinois |
| Sterling Federal Credit Union | Colorado |
| Sterling Heights Community Federal Credit Union | Michigan |
| Sterling National Bank | New York |
| Sterling State Bank | Minnesota |
| Sterling United Federal Credit Union | Indiana |
| Steuben Trust Company | New York |
| Stewart's Federal Credit Union | New York |
| St. Francis de Sales Parish Federal Credit Union | Ohio |
| St Francis Federal Credit Union | South Carolina |
| St. Francis Medical Center Federal Credit Union | Hawaii |
| St. Francis X Federal Credit Union | Michigan |
| St. Gabriels Federal Credit Union | District of Columbia |
| St. Gertrude's Credit Union | New Mexico |
| St. Gregory Parish Credit Union | Illinois |
| St. Helena Parish Credit Union | Illinois |
| St. Helen Federal Credit Union | Ohio |
| St. Helens Community Federal Credit Union | Oregon |
| Stifel Bank and Trust | Missouri |
| Stillman BancCorp | Illinois |
| St. James AME Church Federal Credit Union | Florida |
| St. James Hospital Employees Federal Credit Union | Illinois |
| St. James Parish Credit Union | Ohio |
| St. James Public Schools Federal Credit Union | Minnesota |
| St. Jean's Credit Union | Massachusetts |