| Fort Madison Bank & Trust Co. | Avenue G And Seventh Street, Fort Madison, IA 52627 | 1854-07-01 | $143.1 |
| Freedom Financial Bank | 1255 Jordan Creek Parkway, West Des Moines, IA 50266 | 1999-02-22 | $154.8 |
| Freedom Security Bank | 140 Holiday Road, Coralville, IA 52241 | 1899-01-01 | $83.3 |
| FreedomBank | 210 South Main, Elkader, IA 52043 | 1903-01-01 | $225.5 |
| Frontier Bank | 301 First Avenue, Rock Rapids, IA 51246 | 1994-06-24 | $155.6 |
| Frontier Savings Bank | 940 Valley View Drive, Council Bluffs, IA 51503 | 2000-03-20 | $32.5 |
| Gateway State Bank | 1427 North Second Street, Clinton, IA 52732 | 1907-01-01 | $122.0 |
| Glenwood State Bank | 32 North Walnut Street, Glenwood, IA 51534 | 1899-01-01 | $149.0 |
| GNB Bank | 603 Seventh Street, Grundy Center, IA 50638 | 1934-03-16 | $196.3 |
| Green Belt Bank & Trust | 616 Washington Avenue, Iowa Falls, IA 50126 | 1986-07-31 | $320.7 |
| Grinnell State Bank | 814 Fourth Avenue, Grinnell, IA 50112 | 1925-10-25 | $262.9 |
| Guaranty Bank and Trust Company | 302 Third Avenue, S.E., Cedar Rapids, IA 52406 | 1934-05-05 | $237.9 |
| Guthrie County State Bank | 505 East Main Street, Panora, IA 50216 | 1931-10-17 | $109.8 |
| Hampton State Bank | 100 1st Street, N.W., Hampton, IA 50441 | 1934-01-01 | $73.0 |
| Hardin County Savings Bank | 1414 Edgington Avenue, Eldora, IA 50627 | 1868-01-01 | $163.4 |
| Hartwick State Bank | 207 Main Street, Hartwick, IA 52232 | 1928-09-25 | $24.8 |
| Heartland Bank | 615 Sixth Avenue, Somers, IA 50586 | 1901-01-01 | $106.4 |
| Heritage Bank | 695 Marion Boulevard, Marion, IA 52302 | 1899-03-01 | $35.9 |
| Hiawatha Bank and Trust Company | 777 North Center Point Road, Hiawatha, IA 52233 | 1997-09-15 | $36.8 |
| Hills Bank and Trust Company | 131 Main Street, Hills, IA 52235 | 1904-01-01 | $2,018.3 |
| Home State Bank | Third And Main, Royal, IA 51357 | 1915-04-12 | $43.1 |
| Home State Bank | 115 West State Street, Jefferson, IA 50129 | 1934-01-01 | $150.9 |
| Houghton State Bank | 116 Coolbaugh Street, Red Oak, IA 51566 | 1879-01-01 | $154.7 |
| Independence Federal Bank For Savings | 305 First Street West, Independence, IA 50644 | 1935-05-20 | $21.9 |
| Interstate Federal Savings and Loan Association of McGregor | 154 Main St, Mcgregor, IA 52157 | 1935-08-15 | $8.9 |
| Iowa Falls State Bank | 601 Washington Avenue, Iowa Falls, IA 50126 | 1933-01-01 | $109.1 |
| Iowa Prairie Bank | 302 Oak Street, Brunsville, IA 51008 | 1929-01-01 | $64.9 |
| Iowa Savings Bank | 510 Highway 30 West, Carroll, IA 51401 | 1902-02-01 | $166.6 |
| Iowa State Bank | 1101 Main Street, Hull, IA 51239 | 1879-01-01 | $351.7 |
| Iowa State Bank | 5 East Call Street, Algona, IA 50511 | 1928-01-01 | $259.4 |
| Iowa State Bank | 409 Hwy 61 S, Wapello, IA 52653 | 1931-02-13 | $75.6 |
| Iowa State Bank | 17 West Second Street, Remsen, IA 51050 | 1913-01-01 | $133.9 |
| Iowa State Bank | 500 Audubon Street, Sac City, IA 50583 | 1926-03-29 | $110.6 |
| Iowa State Bank | 100 North Main Street, Clarksville, IA 50619 | 1918-01-01 | $202.3 |
| Iowa State Bank | East 7th And Locust Streets, Des Moines, IA 50309 | 1941-04-14 | $311.1 |
| Iowa State Bank and Trust Company of Fairfield, Iowa | Broadway And Court, Fairfield, IA 52556 | 1934-05-19 | $81.9 |
| Iowa State Savings Bank | 401 West Adams Street, Creston, IA 50801 | 1883-01-01 | $189.5 |
| Iowa State Savings Bank | 222 East Robinson Street, Knoxville, IA 50138 | 1903-01-05 | $100.3 |
| Iowa Trust & Savings Bank | 2101 Tenth Street, Emmetsburg, IA 50536 | 1929-07-01 | $163.3 |
| Iowa Trust and Savings Bank | 200 North 10th Street, Centerville, IA 52544 | 1896-01-01 | $160.7 |
| ITS Bank | 6700 Pioneer Parkway, Johnston, IA 50131 | 2000-01-01 | $5.5 |
| Keokuk County State Bank | 201 South Jefferson Street, Sigourney, IA 52591 | 1884-01-01 | $97.6 |
| Keokuk Savings Bank and Trust Company | 501 Main Street, Keokuk, IA 52632 | 1868-01-04 | $106.8 |
| Kerndt Brothers Savings Bank | 370 Main Street, Lansing, IA 52151 | 1908-01-14 | $226.5 |
| Keystone Savings Bank | 330 Western Avenue, Marengo, IA 52301 | 1935-04-27 | $77.1 |
| Kingsley State Bank | 1 East Second Street, Kingsley, IA 51028 | 1883-01-01 | $144.1 |
| Landmands Bank | 201 South Division Street, Audubon, IA 50025 | 1909-09-01 | $61.7 |
| Laurens State Bank | 102 South Third Street, Laurens, IA 50554 | 1935-05-01 | $64.6 |
| Lee County Bank & Trust, National Association | 801 Avenue F, Fort Madison, IA 52627 | 1888-09-12 | $163.2 |
| Legacy Bank | 502 8th Street, S.W., Altoona, IA 50009 | 1904-01-01 | $81.9 |
| Leighton State Bank | 900 Washington Street, Pella, IA 50219 | 1911-07-14 | $104.9 |
| Liberty Bank, F.S.B. | 6139 Ashworth Road, West Des Moines, IA 50266 | 1972-01-06 | $934.1 |
| Liberty National Bank | 4425 Singing Hills Boulevard, Sioux City, IA 51106 | 2003-03-17 | $231.2 |
| Liberty Trust & Savings Bank | 502 Eighth Avenue, Durant, IA 52747 | 1905-01-01 | $135.1 |
| Lincoln Savings Bank | 301 Washington Street, Cedar Falls, IA 50613 | 1902-01-01 | $582.9 |
| Linn County State Bank | 203 East Main Street, Coggon, IA 52218 | 1945-09-17 | $28.5 |
| Luana Savings Bank | 100 Harvest Drive, Luana, IA 52156 | 1908-08-01 | $453.2 |
| Malvern Trust & Savings Bank | 404 Main Street, Malvern, IA 51551 | 1892-01-01 | $58.9 |
| Manson State Bank | 1001 Main St, Manson, IA 50563 | 1933-01-01 | $36.9 |
| Manufacturers Bank & Trust Company | 245 J Street, Forest City, IA 50436 | 1945-09-01 | $265.8 |
| Maquoketa State Bank | 203 North Main Street, Maquoketa, IA 52060 | 1958-09-02 | $299.8 |
| Marion County State Bank | 800 Main Street, Pella, IA 50219 | 1935-09-21 | $244.5 |
| Maxwell State Bank | 122 Main Street, Maxwell, IA 50161 | 1943-02-01 | $25.1 |
| Maynard Savings Bank | 310 West Main Street, Maynard, IA 50655 | 1895-01-01 | $49.9 |
| Mediapolis Savings Bank | 605 Main Street, Mediapolis, IA 52637 | 1940-09-16 | $128.6 |
| Melvin Savings Bank | 260 Main Street, Melvin, IA 51350 | 1912-01-01 | $56.1 |
| MetaBank | 121 East Fifth St, Storm Lake, IA 50588 | 1954-01-01 | $1,358.3 |
| Midstates Bank, National Association | 1851 Madison Avenue, Suite 17, Council Bluffs, IA 51503 | 1913-01-01 | $335.1 |
| Midwest Heritage Bank, FSB | 3580 Ep True Parkway, Suite 100, West Des Moines, IA 50265 | 1930-04-01 | $154.4 |
| MidWestOne Bank | 102 South Clinton Street, Iowa City, IA 52240 | 1934-10-15 | $1,676.4 |
| Monroe State Bank | 101 W Washington Street, Monroe, IA 50170 | 1934-05-01 | $22.6 |
| Montezuma State Bank | 101 South 4th Street, Montezuma, IA 50171 | 1891-01-10 | $39.4 |
| Mount Vernon Bank and Trust Company | 206 First Street West, Mount Vernon, IA 52314 | 1884-01-01 | $94.9 |
| New Albin Savings Bank | 118 Main Street, New Albin, IA 52160 | 1898-01-01 | $188.3 |
| Northeast Security Bank | 108 North Carpenter, Sumner, IA 50674 | 1888-01-01 | $119.3 |
| NorthStar Bank | 2202 Central Avenue, Estherville, IA 51334 | 1997-04-01 | $85.9 |
| Northwest Bank | 101 West 5th Street, Spencer, IA 51301 | 1988-12-30 | $863.8 |
| Northwest Bank and Trust Company | 100 East Kimberly Road, Davenport, IA 52806 | 1941-07-07 | $206.6 |
| Northwestern Bank | 122 Central Avenue Nw, Orange City, IA 51041 | 1882-01-01 | $186.0 |
| Northwoods State Bank | 2650 4th Street, S.W., Mason City, IA 50401 | 1933-01-01 | $153.0 |
| Ohnward Bank & Trust | 332 1st Avenue West, Cascade, IA 52033 | 1903-02-28 | $188.8 |
| Okey-Vernon First National Bank | 701 Davis Street, Corning, IA 50841 | 1900-04-01 | $57.9 |
| Page County Federal Savings Association | 123 East Main Street, Clarinda, IA 51632 | 1897-01-01 | $39.9 |
| Page County State Bank | 120 East Washington St, Clarinda, IA 51632 | 1866-01-01 | $88.1 |
| Palo Savings Bank | 606 First Street, Palo, IA 52324 | 1908-01-01 | $31.1 |
| Panora State Bank | 120 East Main, Panora, IA 50216 | 1959-05-18 | $62.6 |
| Patriot Bank | 104 Jackson Street, Brooklyn, IA 52211 | 1904-01-01 | $61.1 |
| Peoples Bank | 1230 Valley Drive, Rock Valley, IA 51247 | 1945-06-01 | $362.4 |
| Peoples Savings Bank | 400 East Iowa Avenue, Indianola, IA 50125 | 1998-11-20 | $143.3 |
| Peoples Savings Bank | 328 Main Street, Elma, IA 50628 | 1927-01-01 | $59.2 |
| Peoples Savings Bank | 414 N Adams St, Wellsburg, IA 50680 | 1934-01-01 | $93.5 |
| Peoples Savings Bank | 100 South Main, Crawfordsville, IA 52621 | 1912-10-17 | $29.6 |
| Peoples Savings Bank | 106 South Second Street, Montezuma, IA 50171 | 1946-01-21 | $33.1 |
| Peoples State Bank | 102 South Main, Albia, IA 52531 | 1987-02-19 | $84.3 |
| Peoples State Bank | 109 South Locust Street, Winfield, IA 52659 | 1934-01-01 | $26.2 |
| Peoples Trust & Savings Bank | 12701 University Avenue, Clive, IA 50325 | 1917-03-17 | $265.7 |
| Peoples Trust and Savings Bank | 90 East Railroad Street, Riverside, IA 52327 | 1928-03-20 | $23.9 |
| Pilot Grove Savings Bank | 1341 Pilot Grove Rd, Pilot Grove, IA 52648 | 1911-01-01 | $376.5 |
| Pinnacle Bank | 2206 South Center Street, Marshalltown, IA 50158 | 1927-05-05 | $96.8 |
| Pinnacle Bank Sioux City | 1901 Morningside Avenue, Sioux City, IA 51106 | 1912-01-01 | $69.9 |
| Pioneer Bank | 202 First Street, Sergeant Bluff, IA 51054 | 1907-01-01 | $133.3 |
| Pleasantville State Bank | 102 N. Washington Street, Pleasantville, IA 50225 | 1932-09-01 | $40.3 |
| Pocahontas State Bank | 223 North Main Street, Pocahontas, IA 50574 | 1926-07-01 | $85.7 |
| Premier Bank | 2625 Northwest Arterial, Dubuque, IA 52002 | 1998-10-13 | $267.1 |
| Premier Bank | 1004 21st Avenue, Rock Valley, IA 51247 | 1997-02-25 | $236.5 |
| Primebank | 37 First Avenue, N.W., Le Mars, IA 51031 | 1901-01-01 | $312.5 |
| Principal Bank | 6200 Park Ave, Des Moines, IA 50321 | 1998-02-12 | $2,410.2 |
| Quad City Bank and Trust Company | 2118 Middle Road, Bettendorf, IA 52722 | 1994-01-07 | $1,122.7 |
| Raccoon Valley Bank | 1202 2nd Street, Perry, IA 50220 | 1927-01-01 | $186.1 |
| Readlyn Savings Bank | 141 Main Street, Readlyn, IA 50668 | 1904-05-15 | $58.5 |
| Reliance State Bank | 606 Broad Street, Story City, IA 50248 | 1928-01-28 | $91.3 |
| Rolfe State Bank | 316 Garfield, Rolfe, IA 50581 | 1934-09-24 | $42.9 |
| Rolling Hills Bank & Trust | 1307 East 7th Street, Atlantic, IA 50022 | 1876-07-01 | $207.1 |
| Rowley Savings Bank | 114 Ely Street, Rowley, IA 52329 | 1914-01-01 | $14.3 |
| Sanborn Savings Bank | 219 Main Street, Sanborn, IA 51248 | 1899-02-01 | $60.3 |
| Savings Bank | 185 S Green Avenue, Primghar, IA 51245 | 1894-11-15 | $127.0 |
| Security Savings Bank | 430 Holder Street, Larchwood, IA 51241 | 1920-06-14 | $150.5 |
| Security Savings Bank | 201 West Broadway, Eagle Grove, IA 50533 | 1899-03-01 | $119.4 |
| Security Savings Bank | 1015 Market, Gowrie, IA 50543 | 1914-04-18 | $100.8 |
| Security State Bank | 231 First Street East, Independence, IA 50644 | 1941-10-04 | $94.5 |
| Security State Bank | 211 East Maple Street, Hubbard, IA 50122 | 1935-10-14 | $53.6 |
| Security State Bank | 933 16th Street, Southwest, Waverly, IA 50677 | 1940-04-23 | $75.5 |
| Security State Bank | 109 West 2nd Street, Sutherland, IA 51058 | 1931-01-01 | $79.3 |
| Security State Bank | 207 Isabella Street, Radcliffe, IA 50230 | 1914-10-14 | $49.0 |
| Security State Bank | 1 East State Street, Algona, IA 50511 | 1931-03-01 | $86.2 |
| Security Trust & Savings Bank | 601 Lake Street, Storm Lake, IA 50588 | 1908-01-01 | $154.8 |
| Sibley State Bank | 803 Fourth Avenue, Sibley, IA 51249 | 1894-01-01 | $98.2 |
| Sloan State Bank | 302 Fourth Street, Sloan, IA 51055 | 1889-10-19 | $46.0 |
| Solon State Bank | 126 South Market Street, Solon, IA 52333 | 1932-03-17 | $83.6 |
| South Ottumwa Savings Bank | 320 Church Street, Ottumwa, IA 52501 | 1903-01-01 | $319.5 |
| South Story Bank & Trust | 501 Linn St, Slater, IA 50244 | 1954-09-01 | $79.9 |
| Southeast National Bank | 2036 East River Drive, Davenport, IA 52803 | 1999-12-17 | $139.0 |
| St. Ansgar State Bank | 237 West 4th Street, Saint Ansgar, IA 50472 | 1891-03-28 | $99.1 |
| State Bank | 728 Grand Avenue, Spencer, IA 51301 | 1944-05-01 | $63.6 |
| State Bank & Trust Co. | 1025 Sixth Street, Nevada, IA 50201 | 1939-02-25 | $148.8 |
| State Bank & Trust Company | 25 North Chestnut Avenue, New Hampton, IA 50659 | 1937-01-01 | $337.3 |
| State Bank of Brooks | 701 Benton Avenue, Corning, IA 50841 | 1914-01-01 | $14.4 |
| State Bank of Bussey | 402 Merrill Street, Bussey, IA 50044 | 1931-03-27 | $52.2 |
| State Bank of Ledyard | 210 Edmunds St, Ledyard, IA 50556 | 1892-01-01 | $37.2 |
| State Bank of Schaller | 100 West Second, Schaller, IA 51053 | 1898-01-01 | $25.8 |
| State Bank of Wapello | 306 North Second Street, Wapello, IA 52653 | 1935-10-18 | $36.5 |
| State Central Bank | 601 Main Street, Keokuk, IA 52632 | 1858-03-17 | $181.7 |
| State Savings Bank | 4800 George Mills Civic Parkway, Suite 100, West Des Moines, IA 50265 | 1894-07-04 | $93.8 |
| State Savings Bank | 102 N Main St., Rake, IA 50465 | 1914-01-15 | $59.9 |
| State Savings Bank | 602 Sheldon, Creston, IA 50801 | 1915-01-01 | $85.8 |
| Success Bank | 109 North Madison Street, Bloomfield, IA 52537 | 1900-01-01 | $114.7 |
| Swisher Trust & Savings Bank | 59 Rose Avenue, Swisher, IA 52338 | 1913-01-01 | $43.4 |
| Templeton Savings Bank | 103 S Main St, Templeton, IA 51463 | 1923-01-01 | $94.5 |
| The Citizens First National Bank of Storm Lake | East 5th And Lake Avenue, Storm Lake, IA 50588 | 1902-02-01 | $198.9 |
| The City National Bank of Shenandoah | 116 South Blossom Street, Shenandoah, IA 51601 | 1934-03-12 | $78.9 |
