BancFirst, History
The following are major historical events for BancFirst, including mergers and acquisitions.
| 1989-04-01 | Acquired The First National Bank and Trust Company of Stillwater (4200) in STILLWATER, OK | |
| 1989-04-01 | Acquired First-Oklahoma Bank & Trust Company (4205) in SULPHUR, OK | |
| 1989-04-01 | Institution established: Original name:BancFirst | |
| 1989-04-01 | Acquired The Federal National Bank & Trust Company of Shawnee (4197) in SHAWNEE, OK | |
| 1989-04-01 | Acquired First Bank and Trust Company (19421) in SAND SPRINGS, OK | |
| 1989-04-01 | Acquired The First National Bank of Seminole (4194) in SEMINOLE, OK | |
| 1989-04-01 | Acquired The First National Bank of Prague (4183) in PRAGUE, OK | |
| 1989-04-01 | Acquired City Bank (21150) in MUSKOGEE, OK | |
| 1989-04-01 | Acquired The First National Bank in Madill (4242) in MADILL, OK | |
| 1989-04-01 | Acquired Citizens State Bank (16106) in HUGO, OK | |
| 1989-04-01 | Acquired Oklahoma State Bank (2311) in KONAWA, OK | |
| 1989-04-01 | Acquired American Bank of Commerce (20423) in MCALESTER, OK | |
| 1989-04-01 | Acquired The First National Bank of Guthrie (4105) in GUTHRIE, OK | |
| 1989-08-01 | Acquired The Liberty State Bank of Tahlequah, Oklahoma (407) in TAHLEQUAH, OK | |
| 1992-09-01 | Acquired The First State Bank (15581) in STROUD, OK | |
| 1993-02-05 | Acquired United Bank & Trust Company of Norman (22986) in NORMAN, OK | |
| 1994-01-01 | Acquired United Community Bank (25607) in WEATHERFORD, OK | |
| 1994-01-01 | Acquired First American Bank (4202) in STRATFORD, OK | |
| 1994-01-01 | Acquired Security Bank (4072) in COWETA, OK | |
| 1994-03-25 | Acquired First City Bank (21944) in TULSA, OK | |
| 1995-03-24 | Acquired The State National Bank of Marlow (4142) in MARLOW, OK | |
| 1995-12-29 | Acquired Bank of Johnston County (22991) in TISHOMINGO, OK | |
| 1996-03-22 | Acquired City Bank & Trust (26300) in OKLAHOMA CITY, OK | |
| 1996-10-25 | Acquired The Bank of Commerce (11524) in MCLOUD, OK | |
| 1998-08-21 | Acquired The Security Bank & Trust Company (405) in LAWTON, OK | |
| 1998-10-16 | Acquired Exchange National Bank and Trust Company (4038) in ARDMORE, OK | |
| 1998-11-13 | Acquired Amquest Bank, National Association (4131) in LAWTON, OK | |
| 1999-03-12 | Acquired Kingfisher Bank and Trust Co. (19490) in KINGFISHER, OK | |
| 2000-11-10 | Acquired First State Bank (35460) in OKLAHOMA CITY, OK | |
| 2001-09-14 | Acquired First Southwest Bank (4100) in FREDERICK, OK | |
| 2003-08-14 | Changed institution class to INSURED COMMERCIAL BANKS, STATE, NOT MEMBERS OF THE FRS | |
| 2003-08-14 | Changed primary regulatory agency from FEDERAL RESERVE BOARD to FEDERAL DEPOSIT INSURANCE CORPORATION | |
| 2004-02-20 | Acquired Lincoln National Bank (26184) in OKLAHOMA CITY, OK | |
| 2006-02-24 | Acquired Park State Bank (19294) in NICOMA PARK, OK | |
| 2006-12-08 | Acquired First Bartlesville Bank (57616) in BARTLESVILLE, OK | |
| 2010-03-05 | Acquired First State Bank, Jones, Oklahoma (4126) in JONES, OK | |
| 2010-11-11 | Acquired Union Bank of Chandler (4057) in CHANDLER, OK | |
| 2011-06-17 | Acquired Exchange National Bank of Moore (18872) in MOORE, OK | |
| 2011-10-21 | Acquired The Okemah National Bank (4163) in OKEMAH, OK | |
| 2012-02-17 | Acquired 1st Bank Oklahoma (31826) in CLAREMORE, OK | |
| 2014-01-24 | Acquired The Bank of Union (17967) in EL RENO, OK as part of a government assisted transaction. | |
| 2015-11-13 | Acquired Bank of Commerce (23250) in YUKON, OK | |
| 2018-02-16 | Acquired First Bank & Trust Company (4219) in WAGONER, OK | |
| 2018-09-07 | Acquired First Bank of Chandler (4056) in CHANDLER, OK | |
| 2020-03-06 | Acquired The Citizens State Bank (419) in OKEMAH, OK |