| Ackley State Bank | Interstate Federal Savings and Loan Association of McGregor |
| American Bank and Trust Company, National Association | Iowa Bank |
| American Bank N.A. | Iowa Falls State Bank |
| American National Bank (IA) | Iowa Prairie Bank |
| American Savings Bank (IA) | Iowa Savings Bank |
| American State Bank | Iowa State Bank (10497) |
| American State Bank (IA) | Iowa State Bank (13953) |
| American Trust & Savings Bank (IA) | Iowa State Bank (14291) |
| American Trust and Savings Bank | Iowa State Bank (15947) |
| Ames Community Bank | Iowa State Bank (IA) |
| Ashton State Bank (IA) | Iowa State Bank and Trust Company of Fairfield, Iowa |
| Atkins Savings Bank & Trust | Iowa State Savings Bank |
| Audubon State Bank | Iowa State Savings Bank (IA) |
| Bank Iowa | Iowa Trust & Savings Bank |
| Bank Iowa, Altoona | Iowa Trust and Savings Bank |
| Bank Midwest | ITS Bank |
| Bank Plus | Keokuk County State Bank |
| Bankers Trust Company | Keokuk Savings Bank and Trust Company |
| BankIowa of Cedar Rapids | Kerndt Brothers Savings Bank |
| Bellevue State Bank | Keystone Savings Bank (IA) |
| Benton County State Bank | Kingsley State Bank |
| Blencoe State Bank | Landmands Bank |
| Blue Grass Savings Bank | Laurens State Bank |
| Boone Bank & Trust Co. | Lee County Bank & Trust, N.A. |
| Breda Savings Bank | Legacy Bank (IA) |
| Bridge Community Bank | Leighton State Bank |
| Buffalo Savings Bank | Liberty Bank, F.S.B. |
| C US Bank | Liberty National Bank (IA) |
| Carroll County State Bank | Liberty Trust & Savings Bank |
| Cedar Rapids Bank & Trust | Lincoln Savings Bank |
| Cedar Valley Bank & Trust | Linn County State Bank |
| Center Point Bank and Trust Company | Luana Savings Bank |
| Central Bank (IA) | Malvern Trust & Savings Bank |
| Central State Bank (10903) | Manson State Bank |
| Central State Bank (1552) | Maquoketa State Bank |
| Central State Bank (IA) | Marion County State Bank |
| Charter Bank (IA) | Maxwell State Bank |
| Chelsea Savings Bank | Maynard Savings Bank |
| Cherokee State Bank | MBT Bank |
| Citizens Bank (IA) | Mediapolis Savings Bank |
| Citizens First Bank (IA) | Melvin Savings Bank |
| Citizens Savings Bank | MetaBank |
| Citizens Savings Bank (12128) | Midstates Bank, National Association |
| Citizens Savings Bank (14785) | Midwest Heritage Bank, FSB |
| Citizens Savings Bank (IA) | MidWestOne Bank |
| Citizens State Bank (11759) | Monroe State Bank |
| Citizens State Bank (18356) | Montezuma State Bank |
| Citizens State Bank (26720) | Moorhead State Bank |
| Citizens State Bank (IA) | Mount Vernon Bank and Trust Company |
| City State Bank | New Albin Savings Bank |
| City State Bank (IA) | Northeast Security Bank |
| Clarke County State Bank | NorthStar Bank |
| Clear Lake Bank and Trust Company | Northwest Bank |
| Columbus Junction State Bank | Northwest Bank and Trust Company |
| Commercial Savings Bank | Northwestern Bank (IA) |
| Community Bank (14649) | Northwoods State Bank |
| Community Bank (23189) | Okey Vernon First National Bank |
| Community Bank (25267) | Page County Federal Savings Association |
| Community Bank (34249) | Page County State Bank |
| Community Bank (IA) | Palo Savings Bank |
| Community Bank of Oelwein | Panora State Bank |
| Community First Bank (IA) | Patriot Bank (IA) |
| Community National Bank (IA) | Peoples Bank (IA) |
| Community Savings Bank | Peoples Savings Bank |
| Community State Bank (10114) | Peoples Savings Bank (14868) |
| Community State Bank (17551) | Peoples Savings Bank (16363) |
| Community State Bank (IA) | Peoples Savings Bank (34973) |
| Community State Bank, National Association | Peoples Savings Bank (IA) |
| Corridor State Bank | Peoples State Bank (26911) |
| Corydon State Bank | Peoples State Bank (IA) |
| Crawford County Trust and Savings Bank | Peoples Trust & Savings Bank |
| Danville State Savings Bank | Peoples Trust and Savings Bank |
| De Witt Bank & Trust Co. | Pilot Grove Savings Bank |
| Decorah Bank and Trust Co | Pinnacle Bank |
| Defiance State Bank | Pinnacle Bank Sioux City |
| Denver Savings Bank | Pioneer Bank (IA) |
| Dubuque Bank & Trust | Pleasantville State Bank |
| Dysart State Bank | Pocahontas State Bank |
| Earlham Savings Bank | Premier Bank (34849) |
| East Dubuque Savings Bank | Premier Bank (IA) |
| Elgin State Bank | Primebank |
| Exchange State Bank (18838) | Principal Bank |
| Exchange State Bank (IA) | Quad City Bank and Trust Company |
| F&M Bank-Iowa Central | Raccoon Valley Bank |
| Fairfax State Savings Bank | Randall-Story State Bank |
| Farmers & Merchants Bank & Trust (IA) | Readlyn Savings Bank |
| Farmers & Merchants Savings Bank | Rolfe State Bank |
| Farmers & Traders Savings Bank | Rolling Hills Bank & Trust |
| Farmers and Merchants Savings Bank | Rowley Savings Bank |
| Farmers and Merchants Savings Bank (IA) | Sanborn Savings Bank |
| Farmers and Merchants State Bank (IA) | Savings Bank |
| Farmers and Merchants State Bank of Neola, Iowa | Security Savings Bank |
| Farmers and Traders Savings Bank | Security Savings Bank (15734) |
| Farmers Savings Bank | Security Savings Bank (IA) |
| Farmers Savings Bank & Trust | Security State Bank |
| Farmers Savings Bank (10500) | Security State Bank (15503) |
| Farmers Savings Bank (13655) | Security State Bank (15738) |
| Farmers Savings Bank (14807) | Security State Bank (15839) |
| Farmers Savings Bank (18284) | Security State Bank (15851) |
| Farmers Savings Bank (18394) | Security State Bank (15914) |
| Farmers Savings Bank (25668) | Security State Bank (17142) |
| Farmers Savings Bank (9297) | Security State Bank (18448) |
| Farmers Savings Bank (IA) | Security State Bank (IA) |
| Farmers State Bank | Security Trust & Savings Bank |
| Farmers State Bank (14209) | Sibley State Bank |
| Farmers State Bank (8760) | Sloan State Bank |
| Farmers State Bank (9106) | SmartyPig |
| Farmers State Bank (9295) | Solon State Bank |
| Farmers State Bank (IA) | South Ottumwa Savings Bank |
| Farmers Trust & Savings | South Story Bank & Trust |
| Farmers Trust & Savings Bank | St. Ansgar State Bank |
| FARMERS TRUST & SAVINGS BANK | State Bank & Trust Co. (IA) |
| Farmers Trust and Savings Bank | State Bank & Trust Company |
| Federation Bank | State Bank (IA) |
| FIDELITY BANK | State Bank of Brooks |
| Fidelity Bank & Trust | State Bank of Bussey |
| First American Bank (IA) | State Bank of Ledyard |
| First Bank (IA) | State Bank of Schaller |
| First Central State Bank | State Bank of Toledo |
| First Citizens National Bank (IA) | State Bank of Wapello |
| First Community Bank (14904) | State Central Bank |
| First Community Bank (IA) | State Savings Bank |
| First Federal Savings Bank of Creston, F.S.B. | State Savings Bank (14773) |
| First Federal Savings Bank of Iowa | State Savings Bank (IA) |
| First Iowa State Bank | Success Bank |
| First National Bank (4519) | Swisher Trust & Savings Bank |
| First National Bank (IA) | Templeton Savings Bank |
| First National Bank (IA) | The Citizens First National Bank of Storm Lake |
| First National Bank in Fairfield | The City National Bank of Shenandoah |
| First National Bank Midwest | The Clinton National Bank |
| First National Bank of Hampton | The Emmet County State Bank |
| First National Bank of Muscatine | The Exchange State Bank |
| First National Bank, Ames, Iowa | The Farmers State Bank (IA) |
| First Newton National Bank | The First National Bank in Creston |
| First Security Bank & Trust | The First National Bank of Farragut |
| First Security State Bank (IA) | The First National Bank of Logan |
| First State Bank (11634) | The First National Bank of Manning |
| First State Bank (13680) | The First National Bank of Primghar |
| First State Bank (15321) | The First National Bank of Rembrandt |
| First State Bank (15369) | The First National Bank of West Union |
| First State Bank (16177) | The First Trust & Savings Bank |
| First State Bank (16217) | The Garnavillo Savings Bank |
| First State Bank (57910) | The Grundy National Bank of Grundy Center |
| First State Bank (5821) | The Home Trust and Savings Bank |
| First State Bank (8500) | The Libertyville Savings Bank |
| First State Bank (8522) | The Security National Bank of Sioux City, Iowa |
| First State Bank (IA) | The Shelby County State Bank |
| First State Bank of Colfax | The State Bank (IA) |
| First State Bank of Mapleton | The Watkins Savings Bank |
| First Trust & Savings Bank | Titonka Savings Bank |
| First Trust and Savings Bank | Treynor State Bank |
| First Trust and Savings Bank (IA) | Tri-Valley Bank |
| First Whitney Bank and Trust | Two Rivers Bank and Trust |
| Fort Madison Bank & Trust Co. | Union State Bank (14982) |
| Freedom Financial Bank | Union State Bank (8514) |
| Freedom Security Bank | Union State Bank (IA) |
| FreedomBank | United Bank & Trust National Association |
| Frontier Bank (IA) | United Bank and Trust Company |
| Frontier Savings Bank | United Bank of Iowa |
| Gateway State Bank | United Community Bank (IA) |
| Glenwood State Bank | Valley Bank & Trust |
| Green Belt Bank & Trust | Valley Bank & Trust (IA) |
| Grinnell State Bank | Victor State Bank |
| Guaranty Bank and Trust Company | Viking State Bank & Trust |
| Guthrie County State Bank | VisionBank of Iowa |
| Hampton State Bank | Walcott Trust and Savings Bank |
| Hardin County Savings Bank | Walker State Bank |
| Hartwick State Bank | Washington State Bank |
| Heartland Bank (IA) | Waukon State Bank |
| Hedrick Savings Bank | Wayland State Bank |
| Heritage Bank (IA) | Webster City Federal Savings Bank |
| Heritage Bank, National Association | West Bank |
| Hiawatha Bank and Trust Company | West Chester Savings Bank |
| Hills Bank and Trust Company | West Iowa Bank |
| Home State Bank (14867) | West Liberty State Bank |
| Home State Bank (IA) | Westside State Bank |
| Houghton State Bank | White State Bank |
| Independence Federal Bank For Savings | |