| Lumpkin County Bank | 301 South Chestatee Street, Dahlonega, GA 30533 | 1982-12-14 | 2004-08-19 |
| Luverne Bank & Trust Company | South Forest Avenue, Luverne, AL 36049 | 1933-06-03 | 1986-04-21 |
| Lydian Private Bank | 180 Royal Palm Way, Palm Beach, FL 33480 | 2000-04-06 | 2011-08-19 |
| Lynn Haven Commercial Bank | 700 Florida Avenue, Lynn Haven, FL 32444 | 1974-05-15 | 1988-05-13 |
| Lyons Federal Trust and Savings Bank | 450 West 55th Street, Countryside, IL 60402 | 1922-01-01 | 1987-09-24 |
| Lyons Savings, A Federal Savings and Loan Association | 450 West 55th Street, Countryside, IL 60525 | 1987-09-24 | 1988-12-31 |
| M&I Thunderbird Bank | One East Camelback Road, Phoenix, AZ 85061 | 1983-11-10 | 2001-06-01 |
| Mackinaw Federal Savings and Loan Association | 116 S Main St, Mackinaw, IL 61755 | 1911-01-01 | 1982-04-30 |
| Macktown State Bank | 300 East Main Street, Rockton, IL 61072 | 1958-05-24 | 2001-02-23 |
| Macon Bank & Trust Co. | 700 Walnut Street, Macon, GA 31208 | 1974-06-24 | 1982-09-30 |
| Madera Valley Bank | 324 Yosemite Avenue, Madera, CA 93637 | 1980-01-23 | 1991-01-22 |
| Madison Bank | 35388 U.S. Highway 19 North, Palm Harbor, FL 34684 | 1985-11-21 | 2004-08-20 |
| Madison Bank | North 3rd And West Main Street, Madison, KS 66860 | 1885-01-01 | 1985-07-02 |
| Madison Bank and Trust | 101 Public Square, Kingston, AR 72742 | 1911-04-07 | 2003-09-30 |
| Madison Bank and Trust Company | 10 South Riverside Plaza, Chicago, IL 60606 | 1955-12-01 | 1995-06-21 |
| Madison Bank, National Association | 10 South Riverside Plaza, Chicago, IL 60606 | 1976-06-17 | 1996-09-16 |
| Madison County Bank | 5053 Main Drive, New Hope, AL 35760 | 1987-03-02 | 1988-04-01 |
| Madison County Bank & Trust | 412 East Main Street, Chesterfield, IN 46017 | 1973-04-23 | 1990-09-05 |
| Madison County Federal Savings and Loan Association | 3600 Nameoki Rd, Granite City, IL 62040 | 1923-01-01 | 1990-05-18 |
| Madison Guaranty Savings and Loan Association | 104 North Second Street, Augusta, AR 72006 | 1974-01-01 | 1990-11-30 |
| Madison National Bank | 1730 M Street, N.W., Washington, DC 20036 | 1963-12-02 | 1991-05-10 |
| Madison Park Bank | 3100 West Harmon Highway, Peoria, IL 61604 | 1964-10-14 | 1990-04-22 |
| Magic Valley Bank | 113 Main Avenue West, Twin Falls, ID 83301 | 1997-08-29 | 2004-11-03 |
| Magna Bank | 25 North Frederick Street, Oelwein, IA 50662 | 1946-01-26 | 1997-07-18 |
| Magna Bank | 114 North Howard Street, Indianola, IA 50125 | 1919-02-26 | 1997-07-18 |
| Magna Bank | 102 West First Street, Monticello, IA 52310 | 1874-04-01 | 1997-07-18 |
| Magna Bank of Belleville | 4800 West Main Street, Belleville, IL 62223 | 1962-05-28 | 1990-03-01 |
| Magna Bank of Carbondale | 100 North Illinois Street, Carbondale, IL 62901 | 1905-01-01 | 1992-03-06 |
| Magna Bank of Central Illinois, National Association | 1 Millikin Court, Decatur, IL 62525 | 1860-06-15 | 1993-06-30 |
| Magna Bank of Freeburg | 210 West White Street, Freeburg, IL 62243 | 1905-10-05 | 1989-09-03 |
| Magna Bank of Goreville | Main Street, Goreville, IL 62939 | 1963-07-01 | 1995-02-17 |
| Magna Bank of Illinois | 10950 Lincoln Trail, Fairview Heights, IL 62208 | 1965-04-24 | 1992-03-06 |
| Magna Bank of Lincoln | 303 South Kickapoo Street, Lincoln, IL 62656 | 1934-04-25 | 1989-10-06 |
| Magna Bank of Madison County | 1960 Edison Avenue, Granite City, IL 62040 | 1902-12-30 | 1993-06-30 |
| Magna Bank of Marissa | 111 North Main, Marissa, IL 62257 | 1933-01-01 | 1989-09-03 |
| Magna Bank of Mascoutah | 121 East Main Street, Mascoutah, IL 62258 | 1892-01-01 | 1989-09-03 |
| Magna Bank of McLean County | Towanda At Empire, Bloomington, IL 61701 | 1903-06-03 | 1991-05-24 |
| Magna Bank of New Holland | 111 West Lincoln, New Holland, IL 62671 | 1946-10-10 | 1989-08-25 |
| Magna Bank of Randolph County | 143 West Broadway, Sparta, IL 62286 | 1910-01-01 | 1992-03-06 |
| Magna Bank of Sesser | 201 South Park Street, Sesser, IL 62884 | 1945-08-04 | 1991-04-22 |
| Magna Bank of Southern Illinois | 140 South Locust Street, Centralia, IL 62801 | 1921-04-21 | 1993-06-30 |
| Magna Bank of Springfield | 1825 South Sixth Street, Springfield, IL 62708 | 1955-09-15 | 1991-05-24 |
| Magna Bank of St. Clair County, National Association | 19 Public Square, Belleville, IL 62220 | 1874-06-15 | 1993-06-30 |
| Magna Bank of Washington County | Main Street, Nashville, IL 62263 | 1874-01-01 | 1992-03-06 |
| Magna Bank of Wood River, National Association | Wood River And Lorena Avenue, Wood River, IL 62095 | 1920-01-01 | 1990-01-01 |
| Magna Bank, FSB | 999 Home Plaza, Waterloo, IA 50701 | 1905-01-01 | 1997-07-18 |
| Magna Bank, National Association | 100 East Park Avenue, Waterloo, IA 50704 | 1933-06-15 | 1997-07-18 |
| Magna State Bank | 1223 Broadway, Highland, IL 62249 | 1908-01-01 | 1992-03-06 |
| Main Street Bank | 1134 Clark Street, Covington, GA 30014 | 1901-04-01 | 2006-09-16 |
| Main Street Bank | 45 East Athens Street, Winder, GA 30680 | 1990-12-21 | 1996-12-11 |
| Main Street Bank & Trust | 100 West University Avenue, Champaign, IL 61820 | 1861-06-01 | 2007-11-10 |
| MainSource Bank - Crawfordsville | 221 E Main Street, Crawfordsville, IN 47933 | 1913-01-01 | 2007-09-15 |
| MainSource Bank - Hobart | 555 E Third St, Hobart, IN 46342 | 1934-07-01 | 2009-10-22 |
| MainSource Bank of Illinois | 2000 West Court Street, Kankakee, IL 60901 | 1962-11-13 | 2009-11-13 |
| Maize State Bank | 400 East Sedgwick, Maize, KS 67101 | 1980-02-04 | 1992-05-01 |
| Majestic Savings, A Federal Savings and Loan Association | 500 17th St, Denver, CO 80202 | 1890-01-01 | 1982-06-30 |
| Malden State Bank | Main Street, Malden, IL 61337 | 1910-06-10 | 2004-03-01 |
| Malibu Savings Bank | 23755 West Malibu Road, Malibu, CA 90265 | 1981-01-01 | 1991-01-11 |
| Malibu Savings Bank, FSB | 23755 West Malibu Road, Malibu, CA 90265 | 1991-01-11 | 1991-07-19 |
| Manatee Federal Savings and Loan Association | Cortez Plaza Shopping Center, Bradenton, FL 33507 | 1960-10-26 | 1983-07-31 |
| Manatee River Community Bank | 430 8th Avenue West, Palmetto, FL 34221 | 1998-12-07 | 2009-10-31 |
| Manchester State Bank | 1041 Main Street, Manchester, CT 6040 | 1970-11-30 | 1996-07-12 |
| Manhattan Beach Savings and Loan Association | 2501 North Sepulveda Blvd, Manhattan Beach, CA 90266 | 1982-01-01 | 1989-02-28 |
| Manhattan National Bank | 800 Poyntz Avenue, Manhattan, KS 66502 | 1910-01-01 | 1995-12-31 |
| Manilabank California | 350 South Figueroa Street, Los Angeles, CA 90071 | 1983-07-20 | 1991-03-08 |
| Manning Savings and Loan Association | 2854 W Cermak Road, Chicago, IL 60623 | 1904-01-01 | 1983-01-31 |
| Manor Federal Savings and Loan Association | 5830 West 35th St, Cicero, IL 60650 | 1929-01-01 | 1981-07-31 |
| Manufacturer Hanover Industrial Bank | 1895 South Federal Boulevard, Denver, CO 80219 | 1963-10-08 | 1987-06-24 |
| Manufacturers Bank | 1200 North Ashland Avenue, Chicago, IL 60622 | 1945-02-03 | 2001-11-07 |
| Manufacturers Bank | 1200 North Ashland Avenue, Chicago, IL 60622 | 1934-08-14 | 1997-09-05 |
| Manufacturers Bank - Wilmington | 411 White Clay Center Drive, Newark, DE 19711 | 1986-07-25 | 1993-02-01 |
| Manufacturers Bank and Trust of Florida, National Association | 2401 P.G.a. Boulevard #161, Palm Beach Gardens, FL 33410 | 1984-04-09 | 1992-06-17 |
| Manufacturers Bank of Florida | 4144 North Armenia Avenue, Tampa, FL 33677 | 1986-02-03 | 2001-12-07 |
| Marathon National Bank | 11444 West Olympic Boulevard, Suite 900, Los Angeles, CA 90064 | 1983-08-29 | 2002-08-23 |
| Marco Community Bank | 1770 San Marco Road, Marco Island, FL 34145 | 2003-08-18 | 2010-02-19 |
| Marianna Federal Savings and Loan Association | 98 Tennessee Street, Marianna, AR 72360 | 1934-02-01 | 1983-03-31 |
| Marietta Federal Savings and Loan Association | 602 Roswell Street, Marietta, GA 30060 | 1934-08-01 | 1982-05-31 |
| Marina Bank | 3206 Washington Boulevard, Marina Del Rey, CA 90291 | 1980-07-31 | 1997-06-26 |
| Marina Federal Savings and Loan Association | 22200 Hawthorne Blvd, Torrance, CA 90505 | 1955-01-01 | 1982-05-31 |
| Marine American National Bank | County Fair Shopping Center, Champaign, IL 61821 | 1964-08-10 | 1988-05-02 |
| Marine Bank | 9400 Ninth Street North, St. Petersburg, FL 33742 | 1986-11-10 | 1998-08-07 |
| Marine Bank | 11290 Overseas Highway, Marathon, FL 33050 | 1995-03-27 | 2008-12-05 |
| Marine Bank | 15030 North Hayden Road, Suite C100, Scottsdale, AZ 85260 | 1999-11-15 | 2006-03-01 |
| Marine Midland (Delaware) National Association | 824 Market Street Mall, Wilmington, DE 19801 | 1984-07-02 | 1990-03-30 |
| Marine National Bank of Jacksonville | 300 West Adams Street, Jacksonville, FL 32202 | 1968-05-27 | 2001-01-02 |
| Marine National Bank of Naples | 2325 Vanderbilt Beach Road, Naples, FL 34109 | 1999-10-12 | 2003-08-15 |
| Marine Savings and Loan Association | 2400 Tamiami Trail, North, Naples, FL 33939 | 1980-10-08 | 1988-03-31 |
| Marine State Bank | 2613 South Monroe Street, Tallahassee, FL 32301 | 1974-03-01 | 1984-12-29 |
| Mariners Bank | 115 Calle De Industrias, San Clemente, CA 92672 | 1982-10-06 | 1995-10-21 |
| Marion Federal Savings and Loan Association | 101 Bexar Avenue East, Hamilton, AL 35570 | 1978-12-04 | 1980-10-31 |
| Maritime Bank & Trust Company | 130 Westbrook Road, Essex, CT 6426 | 1991-05-17 | 1999-04-21 |
| Maritime Bank of California | 2121 Avenue Of The Stars, Ground Level, Los Angeles, CA 90067 | 1980-06-10 | 1993-08-27 |
| Mark Twain Edwardsville Bank | Main And St. Louis Streets, Edwardsville, IL 62025 | 1917-07-21 | 1988-09-19 |
| Mark Twain Illinois Bank | 6400 West Main Street, Belleville, IL 62223 | 1969-12-02 | 1997-08-22 |
| Mark Twain Kansas Bank | 6333 Long, Shawnee, KS 66203 | 1985-04-17 | 1995-11-06 |
| Mark Twain Overland Park Bank, National Association | 7007 College Boulevard, Overland Park, KS 66204 | 1973-03-02 | 1985-10-25 |
| Marked Tree Bank | 210 Frisco Street, Marked Tree, AR 72365 | 1932-03-10 | 2003-04-30 |
| Market National Bank | 1401 Seventeenth Street, Denver, CO 80202 | 1982-12-27 | 1987-02-05 |
| Maroa Forsyth Community Bank | 101 East Main Street, Maroa, IL 61756 | 1951-07-16 | 2011-07-01 |
| Marquette Bank Cedar Rapids | 1800 First Avneue Ne, Cedar Rapids, IA 52402 | 1934-10-29 | 2000-08-17 |
| Marquette Bank Clinton | 122 Main Avenue, Clinton, IA 52732 | 1905-05-01 | 2001-02-16 |
| Marquette Bank Monmouth | 100 South Main Street, Monmouth, IL 61462 | 1905-04-29 | 2002-07-13 |
| Marquette Bank Morrison | 100 West Lincolnway, Morrison, IL 61270 | 1878-01-01 | 2002-07-13 |
| Marshall County Bank & Trust Company | 315 North Michigan Street, Plymouth, IN 46563 | 1907-09-19 | 1984-12-20 |
| Marshall Savings and Loan Association | 830 Lincolnway East, Plymouth, IN 46563 | 1920-01-01 | 1981-05-31 |
| Marshalltown Savings Bank, FSB | 303 West Main Street, Marshalltown, IA 50158 | 1908-01-01 | 1997-12-06 |
| Martinsville State Bank | Main Street, Martinsville, IL 62442 | 1891-03-24 | 1988-04-18 |
| Mattoon Bank | 333 East Broadway Avenue, Mattoon, IL 61938 | 1972-08-11 | 1989-04-01 |
| May National Bank of Arizona | 4611 East Baseline Road, Phoenix, AZ 85040 | 1991-04-01 | 2003-04-15 |
| Mayfair Bank | 4001 West Devon Avenue, Chicago, IL 60646 | 1987-02-02 | 1992-06-04 |
| MBNA (Dover) Bank | Governor's Avenue And U.S. Route 13, Dover, DE 19901 | 1982-06-11 | 1991-01-29 |
| MBNA America Delaware, National Association | 1100 North King Street, Wilmington, DE 19884 | 1998-02-09 | 2006-09-22 |
| McCune State Bank | Main Street, Mccune, KS 66753 | 1800-01-01 | 1986-07-24 |
| MCFC National Bank | 11300 Corporate Avenue, Lenexa, KS 66219 | 1995-05-31 | 2001-09-30 |
| McHenry State Bank | 3510 West Elm Street, Mchenry, IL 60050 | 1906-01-01 | 1998-02-23 |
| McIntosh Commercial Bank | 820 Dixie Street, Carrollton, GA 30117 | 2002-11-05 | 2010-03-26 |
| McIntosh State Bank | 210 South Oak Street, Jackson, GA 30233 | 1964-09-18 | 2011-06-17 |
| McNulty Banking Company | 260 First Avenue South, St. Petersburg, FL 33701 | 1971-01-08 | 1987-08-14 |
| Mechanics and Farmers Savings Bank FSB | 930 Main Street, Bridgeport, CT 6601 | 1871-05-01 | 1991-08-09 |
| Mechanics National Bank | 15943 Paramount Boulevard, Paramount, CA 90723 | 1965-02-04 | 1994-04-01 |
| Mechanics Savings Bank | 100 Pearl Street, Hartford, CT 6103 | 1861-07-01 | 2000-06-23 |
| Mechanicsburg Citizens Bank & Trust Company | West Main Street, Mechanicsburg, IL 62545 | 1981-03-27 | 1988-05-31 |
| Mecury Savings, Federal Savings and Loan Association | 7812 Edinger Avenue, Huntington Beach, CA 92647 | 1963-01-01 | 1981-10-31 |
| Mega Bank | 11400 North Kendall Drive, Miami, FL 33176 | 1984-11-19 | 1995-02-17 |
| Melbourne Savings Bank | 202-204 Main Street, Melbourne, IA 50162 | 1905-01-01 | 1988-09-01 |
| Mellon 1st Business Bank, National Association | 601 West Fifth Street, Los Angeles, CA 90071 | 1981-05-01 | 2008-06-01 |
| Mellon Bank (Fl) #2, National Association | 556 Pineapple Avenue, Sarasota, FL 33577 | 1986-07-23 | 1988-01-31 |
| Mellon Bank (FL) National Association | 5500 Glades Road, Suite 600, Boca Raton, FL 33434 | 1982-02-08 | 1988-01-31 |
| Mellon Bank Delaware, National Association | 919 North Market Street, Suite 200, Wilmington, DE 19801 | 1807-01-01 | 2003-09-15 |
| Melrose Savings | 1718 Lake Street, Melrose Park, IL 60161 | 1889-01-01 | 1982-08-31 |
| Melvin State Bank | 100 East Main Street, Melvin, IL 60952 | 1890-11-01 | 1991-01-01 |
| Mendon State Bank | Main Street, Mendon, IL 62351 | 1914-01-01 | 1986-08-20 |
| Mendota Savings and Loan Association | 800 Washington Street, Mendota, IL 61342 | 1926-01-01 | 1989-01-31 |
| MeraBank Federal Savings Bank | 1825 East Buckeye Road, Phoenix, AZ 85034 | 1990-01-31 | 1990-10-01 |
| Merabank, A Federal Savings Bank | 3003 North Central Avenue, Phoenix, AZ 85012 | 1963-01-01 | 1990-01-31 |
| Mercantile Bank | Federal Highway 63 And 167, Hardy, AR 72542 | 1912-10-12 | 1995-03-01 |
| Mercantile Bank | 115 Perry Street, Galena, IL 61036 | 1916-04-10 | 1997-10-04 |
| Mercantile Bank | 9900 West 87th Street, Overland Park, KS 66212 | 1985-07-25 | 1996-12-20 |
| Mercantile Bank | 455 Capitol Mall, Suite 104, Sacramento, CA 95814 | 1976-01-15 | 1997-06-30 |
| Mercantile Bank | 100 South Orange Avenue, Orlando, FL 32801 | 1989-06-05 | 2007-07-01 |
| Mercantile Bank | 425 22nd Avenue North, St. Petersburg, FL 33704 | 1986-05-01 | 2002-08-31 |
| Mercantile Bank | 9900 West 87th Street, Overland Park, KS 66212 | 1872-01-01 | 1997-05-16 |
| Mercantile Bank of Lyon County | 203 South 2nd Avenue, Rock Rapids, IA 51246 | 1945-12-07 | 1996-09-14 |
| Mercantile Bank MidWest | East 5th And Locust Streets, Des Moines, IA 50309 | 1869-01-01 | 2000-05-12 |
| Mercantile Bank National Association | 140 West Hawthorne, Hartford, IL 62048 | 1959-03-05 | 1997-11-13 |
| Mercantile Bank National Association | 140 West Hawthorne, Hartford, IL 62048 | 1890-01-01 | 1997-12-12 |
| Mercantile Bank of Arkansas National Association | One Riverfront Place, North Little Rock, AR 72119 | 1935-03-21 | 2000-03-07 |
| Mercantile Bank of Boone | 724 Story Street, Boone, IA 50036 | 1933-10-30 | 1996-09-14 |
| Mercantile Bank of Carlyle | 510 8th Street, Carlyle, IL 62231 | 1904-10-01 | 1996-05-17 |
| Mercantile Bank of Cedar Rapids, Iowa | 1100 Old Marion Road, N.E., Cedar Rapids, IA 52402 | 1922-06-01 | 1996-08-17 |
