| Bay Cities Credit Union | California |
| BayCoast Bank | Massachusetts |
| Bay Commercial Bank | California |
| Bay Credit Union | Florida |
| Bayer Credit Union | Missouri |
| Bayer Heritage Federal Credit Union | West Virginia |
| Bay Federal Credit Union | California |
| Baylake Bank | Wisconsin |
| Baylands Federal Credit Union | Virginia |
| Baylor Health Care System Credit Union | Texas |
| Bayonne City Employees Federal Credit Union | New Jersey |
| Bayonne Hospital Employees Federal Credit Union | New Jersey |
| Bayonne School Employees Federal Credit Union | New Jersey |
| Bayou City Federal Credit Union | Texas |
| Bayou Federal Credit Union | Louisiana |
| Bayport Credit Union | Virginia |
| Bay Port State Bank | Michigan |
| Bay Ridge Federal Credit Union | New York |
| Bay Ridge Lodge No 632 Federal Credit Union | New Jersey |
| Bay Shore Credit Union | Wisconsin |
| Bay State Savings Bank | Massachusetts |
| Bay-Vanguard Federal Savings Bank | Maryland |
| BBCN Bank | California |
| B. Braun Federal Credit Union | Pennsylvania |
| BB&T | North Carolina |
| BCBank | West Virginia |
| BCB Community Bank | New Jersey |
| BCBSNC Credit Union | North Carolina |
| BCBST Employee Credit Union | Tennessee |
| BCM Federal Credit Union | Texas |
| BCS Community Credit Union | Colorado |
| Beach Community Bank | Florida |
| Beach Municipal Federal Credit Union | Virginia |
| Beacon Bank | Minnesota |
| Beacon Community Credit Union | Kentucky |
| Beacon Credit Union | Virginia |
| Beacon Federal Credit Union | Texas |
| Beacon Mutual Federal Credit Union | Ohio |
| BEA Credit Union | Illinois |
| Beal Bank | Texas |
| Beal Bank USA | Nevada |
| Beardstown Savings s.b. | Illinois |
| Bear Paw Credit Union | Montana |
| Bear State Bank | Arkansas |
| Beartooth Bank | Montana |
| Beaumont Community Credit Union | Texas |
| Beauregard FSB | Louisiana |
| Beauregard School Employees Federal Credit Union | Louisiana |
| Beaver Avenue Federal Credit Union | Pennsylvania |
| Beaver County Times Federal Credit Union | Pennsylvania |
| Beaver Falls PA Teachers Federal Credit Union | Pennsylvania |
| Beaver Valley Federal Credit Union | Pennsylvania |
| Becco Buffalo Federal Credit Union | New York |
| Beckstrand and Associates Credit Union | Utah |
| Bedco Hospital Federal Credit Union | Pennsylvania |
| Bedford Federal Savings Bank | Indiana |
| Bedford Loan & Deposit Bank | Kentucky |
| Bedford VA Federal Credit Union | Massachusetts |
| Beech Island Credit Union | South Carolina |
| Bee Federal Credit Union | Maryland |
| Beehive Federal Credit Union | Idaho |
| BEKA Federal Credit Union | Georgia |
| Belco Community Credit Union | Pennsylvania |
| Belen Railway Employees Credit Union | New Mexico |
| Belgrade State Bank | Missouri |
| Bellco Credit Union | Colorado |
| Bellco Federal Credit Union | Pennsylvania |
| Bell Community Credit Union | Illinois |
| Bell Credit Union | Kansas |
| Belle River Community Credit Union | Michigan |
| Bellevue State Bank | Iowa |
| Bell State Bank & Trust | North Dakota |
| Bell West Community Credit Union | Illinois |
| Bellwether Community Credit Union | New Hampshire |
| Belmont Bank & Trust Company | Illinois |
| Belmont Federal Savings and Loan Association | North Carolina |
| Belmont Municipal Federal Credit Union | Massachusetts |
| Belmont Savings Bank | Massachusetts |
| Belmont Savings Bank | Ohio |
| Belpre Savings Bank | Ohio |
| Belton Federal Credit Union | Texas |
| Belt Valley Bank | Montana |
| Belvoir Federal Credit Union | Virginia |
| Benchmark Bank | Texas |
| Benchmark Bank | Ohio |
| Benchmark Community Bank | Virginia |
| Benchmark Federal Credit Union | Pennsylvania |
| Benchsmart Federal Credit Union | Mississippi |
| Beneficial Bank | Pennsylvania |
| beneficial state bank | California |
| Ben E Keith Company Employees Federal Credit Union | Texas |
| Ben Franklin Bank of Illinois | Illinois |
| Bennington E/E Federal Credit Union | Vermont |
| Benton County Schools Credit Union | Oregon |
| Benton County State Bank | Iowa |
| Bent River Community Credit Union | Iowa |
| Berea Credit Union | Kentucky |
| Berea Federal Credit Union | New York |
| Berean Credit Union | Illinois |
| Bergen Division Federal Credit Union | New Jersey |