| Indiana University Credit Union | Indiana |
| Indianhead Credit Union | Wisconsin |
| Indus American Bank | New Jersey |
| Industrial and Commercial Bank of China (USA) | New York |
| Industrial Bank | District of Columbia |
| Industrial Credit Union | Washington |
| Industrial Credit Union | Massachusetts |
| Industrial Employees Credit Union | Iowa |
| Industrial Federal Credit Union | Indiana |
| Industrial State Bank | Kansas |
| Industry State Bank | Texas |
| Inez Deposit Bank | Kentucky |
| Infinity Federal Credit Union | Maine |
| Ingersoll-Rand Federal Credit Union | Pennsylvania |
| Inland Bank & Trust | Illinois |
| Inland Federal Credit Union | California |
| Inland Motor Employees Federal Credit Union | Virginia |
| Inland Northwest Bank | Washington |
| Inland Valley Federal Credit Union | California |
| Inner Lakes Federal Credit Union | New York |
| Innovations Federal Credit Union | Florida |
| Inova Federal Credit Union | Indiana |
| InsBank | Tennessee |
| Insight Credit Union | Florida |
| Insignia Bank | Florida |
| INSOUTH Bank | Tennessee |
| Inspire Federal Credit Union | Pennsylvania |
| Institution for Savings | Massachusetts |
| Integris Federal Credit Union | Oklahoma |
| Integrity Bank | Texas |
| Integrity Bank Plus | Minnesota |
| Integrity Bank & Trust | Colorado |
| Integrity Federal Credit Union | Ohio |
| Integrity First Bank | Arkansas |
| Integrity First Bank | Wisconsin |
| IntegrUS Credit Union | Iowa |
| Interamerican Bank | Florida |
| Inter-American Federal Credit Union | New York |
| Interaudi Bank | New York |
| InterBank | Oklahoma |
| Intercity State Bank | Wisconsin |
| Intercontinental Bank | Florida |
| Intercorp Credit Union | Texas |
| Intercredit Bank | Florida |
| Internal Revenue Employees Federal Credit Union | North Carolina |
| Internal Revenue Federal Credit Union | Louisiana |
| Inter National Bank | Texas |
| International Bank | New Mexico |
| International Bank of Chicago | Illinois |
| International Bank of Commerce | Texas |
| International Bank of Commerce | Texas |
| International City Bank | California |
| International Finance Bank | Florida |
| Internationalites Federal Credit Union | New Mexico |
| International Uaw Federal Credit Union | Michigan |
| Internet Federal Credit Union | New Jersey |
| Interstate Bank | Texas |
| Inter-State Federal Savings and Loan Association of Kansas City | Kansas |
| Interstate Federal Savings and Loan Association of McGregor | Iowa |
| Interstate Unlimited Federal Credit Union | Georgia |
| InTouch Credit Union | Texas |
| Intracoastal Bank | Florida |
| Intrust Bank | Kansas |
| Investar Bank | Louisiana |
| InvesTex Credit Union | Texas |
| Investment Savings Bank | Pennsylvania |
| Investors Bank | New Jersey |
| Investors Community Bank | Missouri |
| Investors Community Bank | Wisconsin |
| Inwood National Bank | Texas |
| Ion Bank | Connecticut |
| Iowa Falls State Bank | Iowa |
| Iowa Heartland Credit Union | Iowa |
| Iowa - Nebraska State Bank | Nebraska |
| Iowa Prairie Bank | Iowa |
| Iowa Savings Bank | Iowa |
| Iowa State Bank | Iowa |
| Iowa State Bank | Iowa |
| Iowa State Bank | Iowa |
| Iowa State Bank | Iowa |
| Iowa State Bank | Iowa |
| Iowa State Bank and Trust Company of Fairfield | Iowa |
| Iowa State Savings Bank | Iowa |
| Iowa State Savings Bank | Iowa |
| Iowa Trust and Savings Bank | Iowa |
| Iowa Trust & Savings Bank | Iowa |
| Ipava State Bank | Illinois |
| Ipswich State Bank | South Dakota |
| iQ Credit Union | Washington |
| IRCO Community Federal Credit Union | New Jersey |
| IREB Federal Credit Union | New York |
| Ireland Bank | Idaho |
| Iron County Community Credit Union | Wisconsin |
| Irondequoit Federal Credit Union | New York |
| Iron Mountain Kingsford Community Federal Credit Union | Michigan |
| Iron Workers Federal Credit Union | Pennsylvania |
| Iron Workers Savings Bank | Pennsylvania |
| Iroquois Farmers State Bank | Illinois |
| Iroquois Federal Savings and Loan Association | Illinois |
| IRS Buffalo Federal Credit Union | New York |