The First Bank of Okarche
The First Farmers National Bank of Waurika
The First National Bank & Trust
The First National Bank and Trust Co., Chickasha, Oklahoma
The First National Bank and Trust Company of Broken Arrow
The First National Bank and Trust Company of Cushing
The First National Bank and Trust Company of El Reno
The First National Bank and Trust Company of Enid
The First National Bank and Trust Company of Miami
The First National Bank and Trust Company of Muskogee
The First National Bank and Trust Company of Norman
The First National Bank and Trust Company of Oklahoma City
The First National Bank and Trust Company of Okmulgee
The First National Bank and Trust Company of Stillwater
The First National Bank and Trust Company of Vinita
The First National Bank in Altus
The First National Bank in Carmen
The First National Bank in Madill
The First National Bank in Marlow
The First National Bank in Marlow