| Local 520 U.A. Federal Credit Union | Pennsylvania |
| Local 606 Electrical Workers Federal Credit Union | Florida |
| Local #673 Credit Union | Ohio |
| Local 697 Federal Credit Union | Indiana |
| Local 804 Federal Credit Union | New York |
| Local Government Federal Credit Union | North Carolina |
| Local Union 1186 IBEW Federal Credit Union | Hawaii |
| Local Union 354 IBEW Federal Credit Union | Utah |
| Local Union 392 Federal Credit Union | Ohio |
| LOC Federal Credit Union | Michigan |
| Lockport Schools Federal Credit Union | New York |
| Loco Credit Union | New Mexico |
| LOCOGA Federal Credit Union | Georgia |
| Locomotive & Control Employees Federal Credit Union | Pennsylvania |
| Logan Bank & Trust Company | West Virginia |
| Logan Cache Rich Federal Credit Union | Utah |
| Logan County Bank | Arkansas |
| Logan County School Employees Federal Credit Union | West Virginia |
| Logan Medical Federal Credit Union | Utah |
| Logansport Savings Bank | Indiana |
| Logan State Bank | Iowa |
| Logix Federal Credit Union | California |
| LOMTO Federal Credit Union | New York |
| Lone Star Bank | Texas |
| Lone Star Capital Bank | Texas |
| Lone Star Credit Union | Texas |
| Lone Star National Bank | Texas |
| Lone Star State Bank of West Texas | Texas |
| Long Beach City Employees Federal Credit Union | California |
| Long Beach Firemen's Credit Union | California |
| Long Beach Teachers Federal Credit Union | New York |
| Long Island City Postal Employees Federal Credit Union | New York |
| Long Island Community Federal Credit Union | New York |
| Long Island Realtors Federal Credit Union | New York |
| Long Island State Employees Federal Credit Union | New York |
| Long Reach Federal Credit Union | West Virginia |
| Longshore Federal Credit Union | Washington |
| Longshoremen's Local 4 Federal Credit Union | Washington |
| Longview Bank | Illinois |
| Longview Consolidated Credit Union | Texas |
| Longview Federal Credit Union | Texas |
| Lonza Federal Credit Union | Pennsylvania |
| Loomis Federal Savings and Loan Association | Illinois |
| L'Oreal USA Federal Credit Union | New Jersey |
| Lormet Community Federal Credit Union | Ohio |
| Los Alamos National Bank | New Mexico |
| Los Alamos Schools Credit Union | New Mexico |
| Los Angeles Federal Credit Union | California |
| Los Angeles Lee Federal Credit Union | California |
| Los Angeles Police Federal Credit Union | California |
| Louchem Federal Credit Union | Kentucky |
| Loudoun Credit Union | Virginia |
| Louisa Community Bank | Kentucky |
| Louise E. Mills Federal Credit Union | Massachusetts |
| Louisiana Baptist Federal Credit Union | Louisiana |
| Louisiana Catholic Federal Credit Union | Louisiana |
| Louisiana Central Credit Union | Louisiana |
| Louisiana Federal Credit Union | Louisiana |
| Louisiana Machinery Employees Federal Credit Union | Louisiana |
| Louisiana USA Federal Credit Union | Louisiana |
| Louisville Federal Credit Union | Kentucky |
| Louisville Medical Federal Credit Union | Kentucky |
| Louisville Metro Police Officers Credit Union | Kentucky |
| Loup Employees Credit Union | Louisiana |
| Louvah Federal Credit Union | Kentucky |
| Louviers Federal Credit Union | Delaware |
| Love Gospel Assembly Federal Credit Union | New York |
| Lovelady State Bank | Texas |
| Lovers Lane Credit Union | Missouri |
| Lowell Firefighters Credit Union | Massachusetts |
| Lowell Municipal Employees Federal Credit Union | Massachusetts |
| Lower Columbia Longshoremen Federal Credit Union | Washington |
| Lower East Side People's Federal Credit Union | New York |
| Lower Valley Credit Union | Washington |
| Lowland Credit Union | Tennessee |
| Lowry State Bank | Minnesota |
| Loyola University Employees Federal Credit Union | Illinois |
| Luana Savings Bank | Iowa |
| Lubbock County Schools Federal Credit Union | Texas |
| Lubbock National Bank | Texas |
| Lubbock Teachers Federal Credit Union | Texas |
| Lubbock Telco Federal Credit Union | Texas |
| Lubrizol Employees' Credit Union | Texas |
| Lufkin Federal Credit Union | Texas |
| Lufthansa Employee Federal Credit Union | New York |
| Lumbee Guaranty Bank | North Carolina |
| Lusitania Savings Bank | New Jersey |
| Lusk State Bank | Wyoming |
| Luso-American Credit Union | Massachusetts |
| Luso Federal Credit Union | Massachusetts |
| Luther Burbank Savings | California |
| Luzerne County Federal Credit Union | Pennsylvania |
| Lynchburg Municipal Employees Federal Credit Union | Virginia |
| Lynn-Co Federal Credit Union | Texas |
| Lynn Firemens Federal Credit Union | Massachusetts |
| Lynn Municipal Employees Credit Union | Massachusetts |
| Lynn Police Credit Union | Massachusetts |
| Lynn Teachers Credit Union | Massachusetts |
| Lyons Federal Bank | Kansas |