| Western Vista Federal Credit Union | Wyoming |
| Westerra Credit Union | Colorado |
| WesTex Credit Union | Texas |
| Westex Federal Credit Union | Texas |
| Westfield Area Federal Credit Union | New York |
| Westfield Bank | Ohio |
| Westfield Bank | Massachusetts |
| West Financial Credit Union | Minnesota |
| West Gate Bank | Nebraska |
| West Hudson Teachers Federal Credit Union | New Jersey |
| West Iowa Bank | Iowa |
| West Jefferson Federal Credit Union | Louisiana |
| Westmark Credit Union | Idaho |
| West Maui Community Federal Credit Union | Hawaii |
| West Metro Schools Credit Union | Minnesota |
| West Michigan Bank & Trust | Michigan |
| West Michigan Community Bank | Michigan |
| West Michigan Credit Union | Michigan |
| West Michigan Postal Service Federal Credit Union | Michigan |
| West Milton State Bank | Pennsylvania |
| Westminster Federal Credit Union | Colorado |
| West Monroe Federal Credit Union | Louisiana |
| Westmoreland Community Federal Credit Union | Pennsylvania |
| Westmoreland Federal Employee Federal Credit Union | Pennsylvania |
| Westmoreland Federal Savings and Loan Association | Pennsylvania |
| Westmoreland Water Federal Credit Union | Pennsylvania |
| West Oahu Community Federal Credit Union | Hawaii |
| West Orange Municipal Federal Credit Union | New Jersey |
| West Penn P & P Federal Credit Union | Pennsylvania |
| West Plains Bank | Nebraska |
| West Plains Bank and Trust Company | Missouri |
| West Plains Savings and Loan Association | Missouri |
| West Point Bank | Kentucky |
| West Pointe Bank | Wisconsin |
| Westport Federal Credit Union | Massachusetts |
| West Shore Bank | Michigan |
| WestSide Bank | Georgia |
| West Side Baptist Church Federal Credit Union | Missouri |
| Westside Community Federal Credit Union | New York |
| Westside State Bank | Iowa |
| West Springfield Federal Credit Union | Massachusetts |
| WestStar Bank | Texas |
| WestStar Credit Union | Nevada |
| West Stark Community Federal Credit Union | Ohio |
| West Suburban Bank | Illinois |
| West Texas Educators Credit Union | Texas |
| West Texas National Bank | Texas |
| West Texas State Bank | Texas |
| West Texas State Bank | Texas |
| West Town Bank & Trust | Illinois |
| West Union Bank | West Virginia |
| West Valley National Bank | Arizona |
| West View Savings Bank | Pennsylvania |
| West Virginia Central Credit Union | West Virginia |
| West Virginia Federal Credit Union | West Virginia |
| West Virginia University Employees' Federal Credit Union | West Virginia |
| West York Area School District Employees Federal Credit Union | Pennsylvania |
| WEX Bank | Utah |
| Wexford Community Credit Union | Michigan |
| Weyco Community Credit Union | North Carolina |
| Weymouth Bank | Massachusetts |
| W-G Federal Credit Union | Massachusetts |
| Wharton County Teachers Credit Union | Texas |
| Whatcom Educational Credit Union | Washington |
| Wheatland Bank | Washington |
| Wheatland Federal Credit Union | Pennsylvania |
| Wheaton Bank & Trust | Illinois |
| Wheeler County State Bank | Georgia |
| Whetelco Federal Credit Union | West Virginia |
| Whitaker Bank | Kentucky |
| Whitaker Bank | Kentucky |
| White County Federal Credit Union | Arkansas |
| White Crown Federal Credit Union | Colorado |
| White Eagle Credit Union | Kansas |
| White Earth Reservation Federal Credit Union | Minnesota |
| Whitefish Credit Union | Montana |
| White Gold Credit Union | Louisiana |
| White Haven Center Employees Federal Credit Union | Pennsylvania |
| White House Federal Credit Union | District of Columbia |
| White Pine Credit Union | Idaho |
| White Plains Post Office Employees Federal Credit Union | New York |
| White River Credit Union | Vermont |
| White River Credit Union | Washington |
| White Rock Federal Credit Union | Pennsylvania |
| White Rose Credit Union | Pennsylvania |
| White Sands Federal Credit Union | New Mexico |
| White State Bank | Iowa |
| Whitesville Community Credit Union | Kentucky |
| Whitesville State Bank | West Virginia |
| Whitewater Community Credit Union | Ohio |
| Whitewater Regional Federal Credit Union | Indiana |
| Whiting Refinery Federal Credit Union | Indiana |
| Whitney Bank | Mississippi |
| W.H. Nichols Employees Federal Credit Union | Massachusetts |
| Wichita Falls Federal Credit Union | Texas |
| Wichita Falls Teachers Federal Credit Union | Texas |
| Wichita Federal Credit Union | Kansas |
| Wickiffe Paper Mill Federal Credit Union | Kentucky |
| Widget Federal Credit Union | Pennsylvania |
| Wilburton State Bank | Oklahoma |