| Ackley State Bank | 650 Main Street, Ackley, IA 50601 | 1934-01-01 | $124.5 |
| American Bank and Trust Company, National Association | 4301 East 53rd Street, Davenport, IA 52807 | 1999-01-05 | $465.6 |
| American Bank, National Association | 234 Fifth Avenue S.W., Le Mars, IA 51031 | 1887-01-01 | $242.7 |
| American Savings Bank | 312 S. Main St, Tripoli, IA 50676 | 1899-01-10 | $50.9 |
| American State Bank | 1000 Jeffreys Drive, Osceola, IA 50213 | 1987-04-23 | $137.5 |
| American State Bank | 525 North Main Street, Sioux Center, IA 51250 | 1913-09-01 | $567.8 |
| American Trust & Savings Bank | 9th And Main Streets, Dubuque, IA 52001 | 1905-01-01 | $860.9 |
| American Trust and Savings Bank | 309 Mckinley Avenue, Lowden, IA 52255 | 1913-10-01 | $30.9 |
| AMES COMMUNITY BANK | 104 Chestnut St, Ames, IA 50010 | 1884-06-01 | $431.7 |
| Ashton State Bank | 317 Third Street, Ashton, IA 51232 | 1884-03-01 | $39.8 |
| Atkins Savings Bank & Trust | 97 Main Avenue, Atkins, IA 52206 | 1915-04-15 | $69.8 |
| Audubon State Bank | 315 Broadway, Audubon, IA 50025 | 1876-01-01 | $90.0 |
| Bank Iowa | 1150 Jordan Creek Parkway, West Des Moines, IA 50266 | 1923-03-07 | $1,089.9 |
| Bank Midwest | 1525 18th Street, Spirit Lake, IA 51360 | 1887-01-01 | $678.7 |
| Bank Plus | 1202 Central Avenue, Estherville, IA 51334 | 1947-03-01 | $82.0 |
| Bankers Trust Company | 221 Third Avenue, Southeast, Cedar Rapids, IA 52401 | 2002-12-16 | $398.2 |
| Bankers Trust Company | 453 7th Street, Des Moines, IA 50309 | 1917-06-01 | $2,686.8 |
| BankIowa of Cedar Rapids | 7045 C Avenue Northeast, Cedar Rapids, IA 52402 | 1881-01-01 | $464.4 |
| Bellevue State Bank | 200 South 2nd Street, Bellevue, IA 52031 | 1934-01-01 | $79.7 |
| Benton County State Bank | 212 Locust Northeast, Blairstown, IA 52209 | 1869-01-01 | $40.8 |
| Blencoe State Bank | 401 Main Street, Blencoe, IA 51523 | 1931-06-30 | $34.9 |
| Blue Grass Savings Bank | 102 East Mayne Street, Blue Grass, IA 52726 | 1902-01-01 | $178.7 |
| Boone Bank & Trust Co. | 716 Eighth Street, Boone, IA 50036 | 1992-01-16 | $118.3 |
| Breda Savings Bank | 105 Main Street, Breda, IA 51436 | 1890-01-01 | $42.2 |
| Bridge Community Bank | 302 Highway 1 South, Mount Vernon, IA 52314 | 1903-09-08 | $68.2 |
| Buffalo Savings Bank | 120 Washington Street, Buffalo, IA 52728 | 1909-04-01 | $34.9 |
| C US Bank | 111 North Elm Street, Cresco, IA 52136 | 1888-04-01 | $344.2 |
| Carroll County State Bank | 126 West 6th, Carroll, IA 51401 | 1870-01-01 | $352.9 |
| Cedar Rapids Bank and Trust Company | 500 1st Avenue Ne, Suite 100, Cedar Rapids, IA 52401 | 2001-09-14 | $560.1 |
| Cedar Valley Bank & Trust | 321 Main Street, La Porte City, IA 50651 | 1906-07-06 | $45.4 |
| Center Point Bank and Trust Company | 901 Bank Court, Center Point, IA 52213 | 1964-12-01 | $31.9 |
| Central Bank | 600 Lake Avenue, Storm Lake, IA 50588 | 1879-01-01 | $459.8 |
| Central State Bank | 109 West Main Street, State Center, IA 50247 | 1902-01-01 | $165.2 |
| Central State Bank | 102 North Main Street, Elkader, IA 52043 | 1931-11-12 | $155.1 |
| Central State Bank | 301 Iowa Avenue, Muscatine, IA 52761 | 1933-06-13 | $300.1 |
| Charter Bank | 5526 N.W. 86th Street, Johnston, IA 50131 | 1998-06-15 | $125.6 |
| Chelsea Savings Bank | 601 13th St, Belle Plaine, IA 52208 | 1936-10-19 | $111.7 |
| Cherokee State Bank | 212 West Willow Street, Cherokee, IA 51012 | 1888-10-08 | $182.7 |
| Citizens Bank | Fifth And Main Streets, Sac City, IA 50583 | 1929-02-08 | $45.4 |
| Citizens First Bank | 1442 Lincoln Way, Clinton, IA 52732 | 2000-03-14 | $143.6 |
| Citizens Savings Bank | 110 West Southridge Road, Marshalltown, IA 50158 | 1907-01-01 | $53.0 |
| Citizens Savings Bank | 133 East Main Street, Hawkeye, IA 52147 | 1927-06-27 | $28.2 |
| Citizens Savings Bank | 215 East Main Street, Anamosa, IA 52205 | 1906-11-08 | $115.8 |
| Citizens Savings Bank | 101 Church St, Spillville, IA 52168 | 1908-01-01 | $73.9 |
| Citizens State Bank | 808 Third Avenue, Sheldon, IA 51201 | 1961-03-15 | $105.3 |
| Citizens State Bank | 130 North 29th Street, Fort Dodge, IA 50501 | 1986-06-27 | $130.9 |
| Citizens State Bank | 114 West Main Street, Wyoming, IA 52362 | 1913-01-01 | $91.3 |
| Citizens State Bank | 117 West First Street, Monticello, IA 52310 | 1931-03-11 | $316.8 |
| City State Bank | 801 Main Street, Norwalk, IA 50211 | 1895-01-01 | $236.0 |
| City State Bank | 59 Fourth Street North, Central City, IA 52214 | 1946-06-15 | $131.1 |
| Clarke County State Bank | 139 S Main Street, Osceola, IA 50213 | 1935-01-03 | $109.8 |
| Clear Lake Bank and Trust Company | 322 Main, Clear Lake, IA 50428 | 1934-01-01 | $245.8 |
| Columbus Junction State Bank | 134 Main Street, Columbus Junction, IA 52738 | 1927-01-01 | $55.7 |
| Commercial Savings Bank | 627 North Adams Street, Carroll, IA 51401 | 1917-01-01 | $118.2 |
| Community Bank | 1401 North Jefferson, Orchard Plaza, Indianola, IA 50125 | 1883-01-01 | $159.1 |
| Community Bank | 615 Cedar Street, Muscatine, IA 52761 | 1980-08-11 | $241.0 |
| Community Bank | 1121 South 'g' Avenue, Nevada, IA 50201 | 1996-09-03 | $149.1 |
| Community Bank | 601 Iowa Avenue, Dunlap, IA 51529 | 1926-02-23 | $98.2 |
| Community Bank | 208 Tenth Street, Alton, IA 51003 | 1915-09-24 | $42.9 |
| Community Bank of Oelwein | 150 1st Street, S.E., Oelwein, IA 50662 | 1998-10-01 | $79.3 |
| Community First Bank | 714 First Street, Keosauqua, IA 52565 | 1931-01-01 | $138.9 |
| Community National Bank | 422 Commercial Street, Waterloo, IA 50701 | 1997-08-18 | $225.1 |
| Community Savings Bank | Washington And Union Streets, Edgewood, IA 52042 | 1910-01-10 | $317.9 |
| Community State Bank | 207 South Main Street, Paton, IA 50217 | 1956-02-15 | $39.6 |
| Community State Bank | 509 Lynn St, Tipton, IA 52772 | 1894-01-01 | $96.8 |
| Community State Bank | 1812 Highway Boulevard, Spencer, IA 51301 | 1914-01-01 | $138.0 |
| Community State Bank, National Association | 817 North Ankeny Boulevard, Ankeny, IA 50021 | 1960-07-15 | $547.6 |
| Corydon State Bank | 201 W. Jackson St., Corydon, IA 50060 | 1926-01-01 | $81.9 |
| Crawford County Trust and Savings Bank | 21 North Main Street, Denison, IA 51442 | 1927-03-15 | $122.5 |
| Danville State Savings Bank | 102 South Walnut, New London, IA 52645 | 1899-01-01 | $110.6 |
| De Witt Bank & Trust Co. | 815 Sixth Avenue, De Witt, IA 52742 | 1933-06-15 | $118.1 |
| Decorah Bank & Trust Company | 202 East Water Street, Decorah, IA 52101 | 1935-06-10 | $338.4 |
| Defiance State Bank | 201 Main Ave., Defiance, IA 51527 | 1951-09-01 | $26.0 |
| Denver Savings Bank | 121 South State Street, Denver, IA 50622 | 1902-01-01 | $124.5 |
| Dubuque Bank and Trust Company | 1398 Central Avenue, Dubuque, IA 52001 | 1935-07-03 | $1,381.7 |
| Dysart State Bank | 301 Main Street, Dysart, IA 52224 | 1934-01-01 | $14.1 |
| Earlham Savings Bank | 7300 Lake Drive, West Des Moines, IA 50266 | 1931-01-01 | $268.3 |
| East Dubuque Savings Bank | 475 Cedar Cross Road, Dubuque, IA 52003 | 1891-12-05 | $164.9 |
| Elgin State Bank | 241 Center, Elgin, IA 52141 | 1930-10-25 | $22.2 |
| Exchange State Bank | 322 Audubon, Adair, IA 50002 | 1879-01-01 | $41.4 |
| Exchange State Bank | 104 Main Street, Collins, IA 50055 | 1902-01-01 | $97.7 |
| Fairfax State Savings Bank | 409 Vanderbilt Street, Fairfax, IA 52228 | 1924-10-20 | $148.9 |
| Farmers & Merchants Bank & Trust | 3rd And Jefferson Streets, Burlington, IA 52601 | 1916-01-01 | $191.1 |
| Farmers & Merchants Savings Bank | Main And Franklin Streets, Manchester, IA 52057 | 1925-07-20 | $336.5 |
| Farmers & Traders Savings Bank | 108 West Ramsey, Bancroft, IA 50517 | 1887-01-01 | $53.7 |
| Farmers and Merchants Savings Bank | 2235 Mormon Trek Boulevard, Iowa City, IA 52246 | 1901-09-25 | $115.6 |
| Farmers and Merchants Savings Bank | 201 West Main Street, Waukon, IA 52172 | 1925-12-04 | $136.2 |
| Farmers and Merchants State Bank | 101 West Jefferson, Winterset, IA 50273 | 1938-08-11 | $173.6 |
| Farmers and Merchants State Bank of Neola, Iowa | 300 Front Street, Neola, IA 51559 | 1886-01-01 | $55.9 |
| Farmers and Traders Savings Bank | 14155 Hwy 98, Douds, IA 52551 | 1910-05-20 | $18.1 |
| Farmers Savings Bank | 606 Third Street, Victor, IA 52347 | 1891-01-29 | $35.1 |
| Farmers Savings Bank | 205 Main Street, Colesburg, IA 52035 | 1907-01-01 | $144.0 |
| Farmers Savings Bank | 103 3rd St, Frederika, IA 50631 | 1926-02-26 | $43.0 |
| Farmers Savings Bank | 10 Highway Avenue Northwest, Fostoria, IA 51340 | 1916-08-24 | $75.7 |
| Farmers Savings Bank | 205 West Main Street, Marshalltown, IA 50158 | 1894-04-01 | $114.4 |
| Farmers Savings Bank | 225-7 East Broadway, Keota, IA 52248 | 1893-01-01 | $87.7 |
| Farmers Savings Bank | 3542 168th Street, Wever, IA 52658 | 1908-10-09 | $92.7 |
| Farmers Savings Bank | 345 Highway 151 W, Walford, IA 52351 | 1902-09-15 | $44.9 |
| Farmers Savings Bank & Trust | 611 Second Street, Traer, IA 50675 | 1915-01-01 | $162.0 |
| Farmers State Bank | 1240 8th Avenue, Marion, IA 52302 | 1927-08-27 | $624.5 |
| Farmers State Bank | 401 Main Street, Lake View, IA 51450 | 1914-01-01 | $30.3 |
| Farmers State Bank | 501 East State Street, Algona, IA 50511 | 1895-01-01 | $95.2 |
| Farmers State Bank | 201 Main Street, Yale, IA 50277 | 1921-03-21 | $44.5 |
| Farmers State Bank | 1009 People Square, Waterloo, IA 50702 | 1903-06-25 | $374.6 |
| Farmers State Bank | 99 7th Street North, Northwood, IA 50459 | 1921-11-15 | $148.0 |
| Farmers Trust & Savings Bank | 122 Main Street, Earling, IA 51530 | 1892-01-01 | $85.6 |
| FARMERS TRUST & SAVINGS BANK | 510 Elm Street, Williamsburg, IA 52361 | 1934-01-01 | $131.8 |
| Farmers Trust and Savings Bank | 101-106 Fifth Street, Buffalo Center, IA 50424 | 1914-01-01 | $183.0 |
| Farmers Trust and Savings Bank | 125 West 4th Street, Spencer, IA 51301 | 1916-04-07 | $307.8 |
| Federation Bank | 102 East Main Street, Washington, IA 52353 | 1906-11-01 | $111.3 |
| FIDELITY BANK | 177 South Jordan Creek Parkway, West Des Moines, IA 50266 | 1927-01-01 | $56.0 |
| Fidelity Bank & Trust | 4250 Asbury Road, Dubuque, IA 52002 | 1910-04-20 | $560.1 |
| First American Bank | 1207 Central Avenue, Fort Dodge, IA 50501 | 1934-06-01 | $1,369.8 |
| First Bank | 5625 Mills Civic Parkway, West Des Moines, IA 50266 | 1901-07-08 | $93.4 |
| First Central State Bank | 914 Sixth Avenue, De Witt, IA 52742 | 1967-06-12 | $268.7 |
| First Citizens National Bank | 2601 Fourth Street, S.W., Mason City, IA 50401 | 1892-01-09 | $1,022.1 |
| First Community Bank | Second And Fulton, Newell, IA 50568 | 1912-01-01 | $57.9 |
| First Federal Savings Bank of Creston, F.S.B. | 501 W. Taylor St., Creston, IA 50801 | 1991-11-01 | $72.0 |
| First Federal Savings Bank of Iowa | 825 Central Avenue, Fort Dodge, IA 50501 | 1954-10-01 | $434.3 |
| First Heritage Bank | 801 South Fremont, Shenandoah, IA 51601 | 1903-01-01 | $39.0 |
| First Iowa State Bank | 23 Benton Avenue East, Albia, IA 52531 | 1930-05-12 | $147.2 |
| First National Bank | 242 North Main Avenue, Sioux Center, IA 51250 | 1904-01-01 | $260.0 |
| First National Bank | 316 East Bremer Avenue, Waverly, IA 50677 | 1864-01-01 | $287.8 |
| First National Bank | 3717 North Brady Street, Davenport, IA 52806 | 1954-10-01 | $67.4 |
| First National Bank | 101 Northeast Hayes, Greenfield, IA 50849 | 1905-08-23 | $206.6 |
| First National Bank in Fairfield | 100 East Burlington Avenue, Fairfield, IA 52556 | 1934-02-07 | $121.4 |
| First National Bank Midwest | South Market Street And 2nd Avenue East, Oskaloosa, IA 52577 | 1937-04-15 | $100.0 |
| First National Bank of Hampton | 211 1st Avenue, N.W., Hampton, IA 50441 | 1933-01-01 | $127.2 |
| First National Bank of Muscatine | 300 East Second Street, Muscatine, IA 52761 | 1934-01-01 | $292.0 |
| First National Bank, Ames, Iowa | 405 Fifth Street, Ames, IA 50010 | 1903-05-22 | $560.8 |
| First Newton National Bank | 100 North 2nd Avenue West, Newton, IA 50208 | 1932-03-28 | $78.2 |
| First Security Bank and Trust Company | 809 Clark Street, Charles City, IA 50616 | 1903-07-14 | $430.7 |
| First Security State Bank | 3600 Lafayette Road, Evansdale, IA 50707 | 1962-04-23 | $83.8 |
| First State Bank | 300 East Main Street, Manchester, IA 52057 | 1945-01-02 | $148.9 |
| First State Bank | 304 East Main Street, Belmond, IA 50421 | 1933-07-01 | $84.7 |
| First State Bank | 413 East Street, Lynnville, IA 50153 | 1912-01-01 | $99.3 |
| First State Bank | 200 Moorehead Avenue, Ida Grove, IA 51445 | 1933-01-01 | $136.4 |
| First State Bank | 183 Main Avenue North, Britt, IA 50423 | 1927-11-12 | $93.8 |
| First State Bank | 401 Main Street, Nashua, IA 50658 | 2005-02-21 | $45.1 |
| First State Bank | 106 West First Street, Sumner, IA 50674 | 1900-01-01 | $106.1 |
| First State Bank | 722 Central Avenue, Hawarden, IA 51023 | 1934-01-01 | $45.1 |
| First State Bank | 505 - 2nd Street, Webster City, IA 50595 | 1935-10-15 | $283.6 |
| First State Bank | 123 Main Street, Sioux Rapids, IA 50585 | 1930-07-12 | $32.6 |
| First State Bank | 215 North Division Street, Stuart, IA 50250 | 1934-01-01 | $98.7 |
| First State Bank of Colfax | 100 North Walnut Street, Colfax, IA 50054 | 1933-01-01 | $68.3 |
| First State Bank of Mapleton | 313 North Fourth Street, Mapleton, IA 51034 | 1889-01-01 | $46.8 |
| First Trust & Savings Bank | 245 Main Street, Moville, IA 51039 | 1919-01-01 | $115.6 |
| First Trust and Savings Bank | 123 S. Main St., Wheatland, IA 52777 | 1905-01-01 | $123.2 |
| First Trust and Savings Bank | 1831 Second Street, Coralville, IA 52241 | 1931-04-15 | $49.8 |
| First Whitney Bank and Trust | 223 Chestnut Street, Atlantic, IA 50022 | 1907-01-01 | $166.4 |
