| Chaves County School Employees Credit Union | New Mexico |
| Cheaha Bank | Alabama |
| Cheektowaga Community Federal Credit Union | New York |
| Chelsea Employees Federal Credit Union | Massachusetts |
| Chelsea Groton Bank | Connecticut |
| Chelsea Savings Bank | Iowa |
| Chelsea State Bank | Michigan |
| Chelten Hills Savings Bank | Pennsylvania |
| Chemcel Federal Credit Union | Texas |
| Chemco Credit Union | Alabama |
| Chemco Federal Credit Union | Kentucky |
| Chem Family Credit Union | Alabama |
| Chemical Bank | Michigan |
| Chemical Credit Union | Iowa |
| Chemung Canal Trust Company | New York |
| Chen-Del-O Federal Credit Union | New York |
| Cheney Federal Credit Union | Washington |
| Cherokee County Federal Credit Union | Texas |
| Cherokee County Teachers Federal Credit Union | Texas |
| Cherokee State Bank | Iowa |
| Cherokee Strip Credit Union | Oklahoma |
| Cherry Employees Federal Credit Union | California |
| Chesapeake Bank | Virginia |
| Chesapeake Bank of Maryland | Maryland |
| Chesapeake Public Schools Employees' Credit Union | Virginia |
| Cheshire County Federal Credit Union | New Hampshire |
| Cheshire Health Federal Credit Union | New Hampshire |
| Chessie Federal Credit Union | Maryland |
| Chester County Bank | Tennessee |
| Chesterfield Federal Credit Union | Virginia |
| Chesterfield State Bank | Illinois |
| Chester National Bank | Illinois |
| Chester Upland School Employees Federal Credit Union | Pennsylvania |
| Chestnut Run Federal Credit Union | Delaware |
| Cheswick Atomic Division Federal Credit Union | Pennsylvania |
| Chetopa State Bank & Trust Co. | Kansas |
| Cheviot Savings Bank | Ohio |
| Chevron Federal Credit Union | California |
| Chevron Valley Credit Union | California |
| Cheyenne-Laramie County Employees Federal Credit Union | Wyoming |
| Cheyenne State Bank | Wyoming |
| CHHE Federal Credit Union | West Virginia |
| Chicago Area Office Federal Credit Union | Illinois |
| Chicago Avenue Garage Federal Credit Union | Illinois |
| Chicago Central & Commerce Credit Union | Iowa |
| Chicago Faucet Federal Credit Union | Illinois |
| Chicago Firefighter's Credit Union | Illinois |
| Chicago Fireman's Association Credit Union | Illinois |
| Chicago Fire Officers' Association Credit Union | Illinois |
| Chicago Municipal Employees Credit Union | Illinois |
| Chicago Patrolmen's Federal Credit Union | Illinois |
| Chicopee Municipal Employees Credit Union | Massachusetts |
| Chicopee Savings Bank | Massachusetts |
| Chief Financial Federal Credit Union | Michigan |
| Children's Medical Center Federal Credit Union | Ohio |
| Chillicothe State Bank | Missouri |
| Chinatown Federal Savings Bank | New York |
| Chino Commercial Bank | California |
| Chino Federal Credit Union | New Mexico |
| Chiphone Federal Credit Union | Indiana |
| Chippewa County Credit Union | Michigan |
| Chippewa Valley Bank | Wisconsin |
| Chiropractic Federal Credit Union | Michigan |
| Chisholm Trail State Bank | Kansas |
| Chivaho Federal Credit Union | Ohio |
| Chocolate Bayou Community Federal Credit Union | Texas |
| Choctaw Federal Credit Union | Mississippi |
| Choice bank | Wisconsin |
| Choice Financial Group | North Dakota |
| ChoiceOne Bank | Michigan |
| Choice One Community Federal Credit Union | Pennsylvania |
| Choptank Electric Cooperative Employees Federal Credit Union | Maryland |
| Christian Financial Credit Union | Michigan |
| Christopher Credit Union | Michigan |
| Christo Rey Federal Credit Union | Ohio |
| Christ the King Parish Federal Credit Union | Kansas |
| CHROME Federal Credit Union | Pennsylvania |
| C&H Sugar Employees Federal Credit Union | California |
| Chula Vista City Employees Federal Credit Union | California |
| Churchill County Federal Credit Union | Nevada |
| Church of the Master Federal Credit Union | New York |
| CIBM Bank | Illinois |
| Ciera Bank | Texas |
| Cincinnati Employees Credit Union | Ohio |
| Cincinnati Federal | Ohio |
| Cincinnati Healthcare Associates Federal Credit Union | Ohio |
| Cincinnati Interagency Federal Credit Union | Ohio |
| Cincinnati Ohio Police Federal Credit Union | Ohio |
| Cinco Family Financial Center Credit Union | Ohio |
| Cinfed Federal Credit Union | Ohio |
| Cissna Park State Bank | Illinois |
| Citadel Federal Credit Union | Pennsylvania |
| Citco Federal Credit Union | Wyoming |
| Citibank | South Dakota |
| Cities Credit Union | Minnesota |
| Citizens 1st Bank | Texas |
| Citizens Alliance Bank | Minnesota |
| Citizens and Farmers Bank | Virginia |
| Citizen's Bank | Louisiana |
| Citizens Bank | Kentucky |