| Alfalfa County Bank |
| American Bank & Trust |
| American Exchange Bank |
| American Heritage Bank |
| American National Bank |
| American National Bank & Trust Company Sapulpa |
| American National Bank & Trust Company Shawnee |
| Arkansas Valley State Bank |
| Arvest Bank |
| Bank 2 |
| BancFirst |
| Bank of Cherokee County |
| Bank of Commerce |
| Bank of Nichols Hills |
| Bank of Oklahoma |
| Bank of Oklahoma, National Association |
| Bank of the Panhandle Guymon |
| Bank of the Wichitas |
| Bank One |
| Bank South |
| Bryan County National Bank |
| Canadian State Bank |
| Chickasha Bank & Trust Company |
| Citizens Bank & Trust Co |
| Citizens Bank of Ardmore |
| Citizens Bank of Ada |
| Citizens Security Bank & Trust Company |
| Citizens State Bank |
| City National Bank & Trust |
| Commercial Federal Bank |
| Coppermark Bank |
| Edmond Bank and Trust |
| Exchange Bank and Trust Company |
| F & M Bank N.A. |
| F & M Bank & Trust Company |
| Farmers & Merchants Bank |
| Farmers Exchange Bank |
| First American Bank and Trust Company |
| First Bank & Trust Co. |
| First Bank & Trust Company Duncan |
| First Bank & Trust Company Perry |
| First Bank of Owasso |
| First Bethany Bank & Trust, National Association |
| First Capital Bank |
| First Enterprise Bank |
| First Fidelity Bank, N.A. |
| First Lenape Nation Bank |
| First Liberty Bank |
| First National Bank |
| First National Bank Heavener |
| First National Bank & Trust Company of Ada |
| First National Bank & Trust Company Miami |
| First National Bank & Trust Company Nowata |
| First National Bank in Altus |
| First National Bank in Durant |
| First National Bank in Wewoka |
| First National Bank of Edmond |
| First National Bank of Midwest City |
| First National Bank of Okmulgee |
| First National Bank of Pryor |
| First National Bank of Weatherford |
| First Pryority Bank |
| First State Bank Altus |
| First State Bank Anadarko |
| First State Bank Gould |
| First Security Bank and Trust Company |
| First United Bank and Trust Company |
| Fort Sill National Bank |
| Gold Bank |
| Grand Lake Bank |
| Grand Savings Bank |
| Grant County Bank |
| Great Plains National Bank |
| Guaranty Bank |
| Home National Bank |
| Interbank, National Association |
| Lakeside State Bank |
| Landmark Bank |
| Latimer State Bank |
| Legacy Bank |
| Liberty Bank |
| Lincoln National Bank |
| Local Oklahoma Bank |
| MidFirst Bank |
| National Bank of Commerce |
| National Bank of Sallisaw |
| NBanC |
| Oklahoma National Bank and Trust Company |
| Oklahoma State Bank |
| Park State Bank |
| Payne County Bank |
| Peoples Bank |
| Pioneer Bank and Trust |
| Quail Creek Bank |
| RCB Bank |
| Republic Bank of Norman |
| Security Bank |
| Security Bank & Trust Company |
| Security National Bank & Trust |
| Southwestern Bank & Trust Company |
| Shamrock Bank |
| Southwestern Bank |
| Spirit Bank |
| State Bank and Trust Company |
| Stillwater National Bank and Trust Company |
| Stockmans Bank |
| Superior Federal Bank |
| The Arkansas Valley State Bank |
| The Bank of Beaver City |
| The Bank of Union |
| The Bank, National Association |
| The Central National Bank of Alva |
| The Central National Bank of Poteau |
| The Citizens Bank of Edmond |
| The City National Bank and Trust Company of Lawton, Oklahoma |
| The Community State Bank |
| The Eastman National Bank |
| The First Farmers National Bank of Waurika |
| The First National Bank & Trust Company |
| The First National Bank and Trust Co., Chickasha, Oklahoma |
| The First National Bank and Trust Company of Ada |
| The First National Bank and Trust Company of Broken Arrow |
| The First National Bank and Trust Company of Miami |
| The First National Bank and Trust Company of Vinita |
| The First National Bank in Altus |
| The First National Bank in Durant |
| The First National Bank of Chelsea |
| The First National Bank of Davis |
| The First National Bank of Elk City |
| The First National Bank of Grove |
| The First National Bank of Hooker |
| The First National Bank of Seiling |
| The Fort Sill National Bank |
| The Guarantee State Bank |
| The Pauls Valley National Bank |
| The Payne County Bank |
| The Stillwater National Bank and Trust Company |
| The Stock Exchange Bank |
| The Yukon National Bank |
| Triad Bank, National Association |
| Tulsa National Bank |
| UMB Bank |
| U.S. National Bank |
| Union Bank, National Association |
| United Bank of Del City |
| Vision Bank |
| Welch State Bank |
| WestStar Bank |
| Washita State Bank |
