| Dacotah Bank | South Dakota |
| Dacotah Federal Credit Union | South Dakota |
| Dade County Federal Credit Union | Florida |
| Daijo Federal Credit Union | California |
| Dairyland Power Credit Union | Wisconsin |
| Dairyland State Bank | Wisconsin |
| Dairy State Bank | Wisconsin |
| Dakota Community Bank & Trust | North Dakota |
| Dakota Heritage Bank of North Dakota | North Dakota |
| Dakotaland Federal Credit Union | South Dakota |
| Dakota Plains Credit Union | North Dakota |
| Dakota Plains Federal Credit Union | South Dakota |
| Dakota Prairie Bank | South Dakota |
| Dakota Star Federal Credit Union | South Dakota |
| Dakota State Bank | South Dakota |
| Dakota Telco Federal Credit Union | North Dakota |
| Dakota West Credit Union | North Dakota |
| Dakota Western Bank | North Dakota |
| Dale Employees Credit Union | Nebraska |
| Dalhart Federal Savings & Loan Association | Texas |
| Dallas Federal Credit Union | Texas |
| Dallas Santa Fe Credit Union | Texas |
| Dallas UP Employees Credit Union | Texas |
| Damariscotta Bank & Trust Co. | Maine |
| Danbury Cyanamid Employees Credit Union | Connecticut |
| Dane County Credit Union | Wisconsin |
| Daniels-Sheridan Federal Credit Union | Montana |
| Dannemora Federal Credit Union | New York |
| Danvers Municipal Federal Credit Union | Massachusetts |
| Danville City Employees Federal Credit Union | Virginia |
| Danville State Savings Bank | Iowa |
| Darien Rowayton Bank | Connecticut |
| Dart Bank | Michigan |
| DATCU Credit Union | Texas |
| Davenport Police Department Credit Union | Iowa |
| Davidson Trust Co. | Montana |
| Daviess County Teachers Federal Credit Union | Kentucky |
| Davison Employees Federal Credit Union | Louisiana |
| Davis Trust Company | West Virginia |
| Dawson Co-op Credit Union | Minnesota |
| Day Air Credit Union | Ohio |
| Day-Met Credit Union | Ohio |
| Dayton Firefighters Federal Credit Union | Ohio |
| DB Employees Credit Union | Illinois |
| DC Fire Department Federal Credit Union | District of Columbia |
| DCH Credit Union | Alabama |
| Dean Co-operative Bank | Massachusetts |
| Dearborn County Hospital Federal Credit Union | Indiana |
| Dearborn Federal Savings Bank | Michigan |
| Dearborn Savings Bank | Indiana |
| Deca Credit Union | Ohio |
| Decatur County Bank | Tennessee |
| Decatur Earthmover Credit Union | Illinois |
| Decatur Medical Dental Credit Union | Illinois |
| Decatur Policemen Credit Union | Illinois |
| Decatur Postal Credit Union | Illinois |
| Decatur Stanolind Credit Union | Illinois |
| Decorah Bank & Trust Company | Iowa |
| Dedham Institution for Savings | Massachusetts |
| Dedham Town Employees Federal Credit Union | Massachusetts |
| Dedicated Community Bank | South Carolina |
| Deepwater Industries Federal Credit Union | New Jersey |
| Deere Employees Credit Union | Illinois |
| Deer Lodge County School Employees Federal Credit Union | Montana |
| Deer River Cooperative Credit Union | Minnesota |
| Deer Valley Credit Union | Arizona |
| Deerwood Bank | Minnesota |
| Defense Contracts South Federal Credit Union | Texas |
| Defense Logistics Federal Credit Union | New Jersey |
| Defiance State Bank | Iowa |
| Dekalb County Credit Union | Illinois |
| Delancey Street Federal Credit Union | California |
| Delanco Federal Savings Bank | New Jersey |
| Delaware Alliance Federal Credit Union | Delaware |
| Delaware County Bank | Ohio |
| Delaware Place Bank | Illinois |
| Delaware River & Bay Authority Employees Federal Credit Union | Delaware |
| Delaware River Employees Federal Credit Union | New Jersey |
| Delaware State Police Federal Credit Union | Delaware |
| Delco Postal Credit Union | Pennsylvania |
| Delmar OCF Federal Credit Union | New York |
| Delmarva Power Southern Division Federal Credit Union | Maryland |
| Del Met Federal Credit Union | Indiana |
| Del Norte Bank | Colorado |
| Del Norte Credit Union | New Mexico |
| Del-One Federal Credit Union | Delaware |
| Del Rio SP Credit Union | Texas |
| Delta Bank | California |
| Delta Bank | Louisiana |
| Delta Bank | New York |
| Delta Community Credit Union | Georgia |
| Delta County Credit Union | Michigan |
| Delta County Federal Credit Union | Colorado |
| Delta Credit Union | Mississippi |
| Delta Refining Company Employees Federal Credit Union | Tennessee |
| Delta Schools Federal Credit Union | California |
| Deluxe Federal Credit Union | California |
| Deming Schools Employees Credit Union | New Mexico |
| Democracy Federal Credit Union | Virginia |
| Democrat P&L Federal Credit Union | Arkansas |