| Babbitt Steelworkers Credit Union | Minnesota |
| BAB Credit Union | New Mexico |
| BAC Community Bank | California |
| BAC Florida Bank | Florida |
| Bacharach Employees Federal Credit Union | Pennsylvania |
| Back Mountain Federal Credit Union | Pennsylvania |
| Badger Bank | Wisconsin |
| Badger Credit Union | Wisconsin |
| Badger-Globe Credit Union | Wisconsin |
| Badlands Federal Credit Union | Montana |
| Bailey Controls Federal Credit Union | Ohio |
| Bailey Employees Credit Union | Utah |
| Bakelite Ottawa Plastics Credit Union | Illinois |
| Baker-Boyer National Bank | Washington |
| Baker Federal Credit Union | New Jersey |
| Baker Hughes Federal Credit Union | Texas |
| Baker's Federal Credit Union | Nebraska |
| Bakersfield City Employees Federal Credit Union | California |
| Bakery Employees Credit Union | California |
| Balboa Thrift and Loan Association | California |
| Baldwin County Federal Credit Union | Alabama |
| Ballinger National Bank | Texas |
| Ball State Federal Credit Union | Indiana |
| Ballston Spa National Bank | New York |
| Bally Savings Bank | Pennsylvania |
| Baltimore County Employees Federal Credit Union | Maryland |
| Baltimore Washington Federal Credit Union | Maryland |
| Banamex USA | California |
| BancCentral | Oklahoma |
| BancFirst | Oklahoma |
| Banco do Brasil Americas | Florida |
| Banc of California | California |
| BancorpSouth Bank | Mississippi |
| Bancroft State Bank | Wisconsin |
| Bandera Bank | Texas |
| Banesco USA | Florida |
| Bangor Federal Credit Union | Maine |
| Bangor Savings Bank | Maine |
| Bank | Iowa |
| Bank 1st | Iowa |
| Bank 2 | Oklahoma |
| Bank 21 | Missouri |
| Bank 34 | New Mexico |
| Bank 7 | Oklahoma |
| Bank CBO | Missouri |
| bankcda | Idaho |
| BankChampaign | Illinois |
| BankCherokee | Minnesota |
| Bankers' Bank | Wisconsin |
| Bankers' Bank | Connecticut |
| Bankers' Bank of Kansas | Kansas |
| Bankers' Bank of the West | Colorado |
| Bankers Trust Company | Iowa |
| Bankers Trust Company | Iowa |
| BankFinancial | Illinois |
| BankFirst | Nebraska |
| BankFirst Financial Services | Mississippi |
| Bank First National | Wisconsin |
| BankFive | Massachusetts |
| Bank Forward | North Dakota |
| Bank Fund Staff Federal Credit Union | District of Columbia |
| BankGloucester | Massachusetts |
| Bank Independent | Alabama |
| Bank Iowa | Iowa |
| BankIowa of Cedar Rapids | Iowa |
| Bank @LANTEC | Virginia |
| Bank Leumi USA | New York |
| BankLiberty | Missouri |
| Bank Midwest | Iowa |
| Bank Mutual | Wisconsin |
| BankNewport | Rhode Island |
| Bank Northwest | Missouri |
| Bank of Abbeville & Trust Company | Louisiana |
| Bank of Akron | New York |
| Bank of Alapaha | Georgia |
| Bank of Alma | Wisconsin |
| Bank of America | North Carolina |
| Bank of America California | California |
| Bank of Anguilla | Mississippi |
| Bank of Ann Arbor | Michigan |
| Bank of Baker | Montana |
| Bank of Bartlett | Tennessee |
| Bank of Bearden | Arkansas |
| Bank of Belle Glade | Florida |
| Bank of Belleville | Illinois |
| Bank of Bennington | Nebraska |
| Bank of Benoit | Mississippi |
| Bank of Billings | Missouri |
| Bank of Bird-in-Hand | Pennsylvania |
| Bank of Birmingham | Michigan |
| Bank of Blue Valley | Kansas |
| Bank of Bluffs | Illinois |
| Bank of Bolivar | Missouri |
| Bank of Botetourt | Virginia |
| Bank of Bozeman | Montana |
| Bank of Brenham | Texas |
| Bank of Brewton | Alabama |
| Bank of Bridger | Montana |
| Bank of Brodhead | Wisconsin |
| Bank of Brookfield - Purdin | Missouri |