| $150,000–350,000 | BELFAIR LLC | SHAWNEE, OK | BancFirst |
| $150,000–350,000 | BELFAIR OF MCALESTER LLC | MCALESTER, OK | BancFirst |
| $150,000–350,000 | BELLA STRADA - EDMOND, LLC | EDMOND, OK | BancFirst |
| $150,000–350,000 | BELSHE INDUSTRIES, INC. | TECUMSEH, OK | BancFirst |
| $350,000–1 million | BENCHMARK CONSTRUCTION SERVICES, LLC | NORMAN, OK | BancFirst |
| $150,000–350,000 | BENNETT & MORRIS & ASSOCIATES PC | MADILL, OK | BancFirst |
| $150,000–350,000 | BGR&R | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | BIG RIVER RUNNING COMPANY, LLC | SAINT LOUIS, MO | BancFirst |
| $350,000–1 million | BILCO CORPORATION | LANCASTER, TX | BancFirst |
| $1–2 million | BILLINGSLEY HOLDING CO., LLC | ARDMORE, OK | BancFirst |
| $150,000–350,000 | BILLINGSLEY HYUNDAI OF LAWTON, LLC | LAWTON, OK | BancFirst |
| $150,000–350,000 | BISON METALS TECHNOLOGIES, LLC | SHAWNEE, OK | BancFirst |
| $1–2 million | BIXBY TELEOHONE COMPANY | BIXBY, OK | BancFirst |
| $150,000–350,000 | BK EQUIPMENT, LLC | COMANCHE, OK | BancFirst |
| $350,000–1 million | BKM SOWAN HORAN, LLP | ADDISON, TX | BancFirst |
| $150,000–350,000 | BLACKBIRDS, INC. | TULSA, OK | BancFirst |
| $350,000–1 million | BLISS ELECTRIC, INC. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | BLT TANKS, L.L.C. | KINGFISHER, OK | BancFirst |
| $150,000–350,000 | BLUE AND GOLD SAUSAGE CO. LLC | JONES, OK | BancFirst |
| $350,000–1 million | BLUE HAVEN POOLS OF OKLAHOMA CITY INC | EDMOND, OK | BancFirst |
| $150,000–350,000 | BLUE RIBBON CHEVROLET INC | OKMULGEE, OK | BancFirst |
| $1–2 million | BOB HOWARD GERMAN IMPORTS LLC | EDMOND, OK | BancFirst |
| $350,000–1 million | BOB HOWARD JV, LLV | EDMOND, OK | BancFirst |
| $150,000–350,000 | BOCKUS, PAYNE & ASSOCIATES ARCHITECTS | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | BOECKMAN FORD | KINGFISHER, OK | BancFirst |
| $150,000–350,000 | BONAVISTA TECHNOLOGIES, INC. | TULSA, OK | BancFirst |
| $150,000–350,000 | BOULEVARD STEAKHOUSE, INC. | EDMOND, OK | BancFirst |
| $350,000–1 million | BRAINERD CHEMICAL COMPANY, INC | TULSA, OK | BancFirst |
| $150,000–350,000 | BRAINERD, LLC | TULSA, OK | BancFirst |
| $150,000–350,000 | BRATCO OPERATING COMPANY | DEWEY, OK | BancFirst |
| $350,000–1 million | BRENTWOOD EXTENDED CARE & REHAB LLC | MUSKOGEE, OK | BancFirst |
| $1–2 million | BREWER'S CARPET & DESIGN CNTR. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | BRIDGECO CONTRACTORS | WELLSTON, OK | BancFirst |
| $350,000–1 million | BRIERLY CORPORATION | TULSA, OK | BancFirst |
| $150,000–350,000 | BRIERLY PLUMBING TECHNOLOGIES | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | BRIGHT AND BRIGHT LLP | DALLAS, TX | BancFirst |
| $350,000–1 million | BRISCOE, BURKE, & GRIGSBY LLP | TULSA, OK | BancFirst |
| $150,000–350,000 | BROOKS CONSTRUCTION CO LLC | SHAWNEE, OK | BancFirst |
| $350,000–1 million | BROX INDUSTRIES LLC | LAWTON, OK | BancFirst |
| $350,000–1 million | BRYAN'S FLOORING, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | BUDCO, INC. | BROKEN ARROW, OK | BancFirst |
| $350,000–1 million | BUILDERS SUPPLY INC | TULSA, OK | BancFirst |
| $350,000–1 million | BURGER KING | ARDMORE, OK | BancFirst |
| $150,000–350,000 | BURGESS ENGINEERING AND TESTING LLC | MOORE, OK | BancFirst |
| $150,000–350,000 | BUSINESS ADVISORY PARTNERS LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | BVO PRODUCTIONS, LLC | CHANDLER, OK | BancFirst |
| $150,000–350,000 | BYRON'S LIQUOR WAREHOUSE | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | C & C TILE AND CARPET CO | TULSA, OK | BancFirst |
| $150,000–350,000 | C & J OILFIELD SERVICES INC | FOX, OK | BancFirst |
| $150,000–350,000 | C GROUP CONCEPTS | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | C STAR MANAGEMENT, LLC | STILLWATER, OK | BancFirst |
| $150,000–350,000 | C&J TRUCKS LLC | SEMINOLE, OK | BancFirst |
| $150,000–350,000 | C&R STEAKS INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CABBINESS ENGINEERING, LLC | NORMAN, OK | BancFirst |
| $150,000–350,000 | CABO DEL SOL-OKC, L.L.C. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CAFE 501 CLASSEN CURVE OKC, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CAFE 501, LLC | EDMOND, OK | BancFirst |
| $150,000–350,000 | CALGARY ENERGY, LLC | COLLINSVILLE, OK | BancFirst |
| $150,000–350,000 | CANAIDAN VALLEY TELEPHONE COMPANY | CROWDER, OK | BancFirst |
| $350,000–1 million | CAPITAL AVIATION, INC | BETHANY, OK | BancFirst |
| $150,000–350,000 | CAPITOL SUBS GROUP LLC | AUSTIN, TX | BancFirst |
| $1–2 million | CARDINAL BUICK GMC | BELLEVILLE, IL | BancFirst |
| $350,000–1 million | CARDINAL OKC INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CARDINAL RIVER ENERGY I LLC | OKLAHOMA CITY, OK | BancFirst |
| $2–5 million | CAREY JOHNSON OIL COMPANY, INC. | LAWTON, OK | BancFirst |
| $150,000–350,000 | CARGILL HEAT TREAT, LLC. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | CASEY CARPET COMPANY | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CASHLAND HOLDINGS, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CATCH 21 INC | NORMAN, OK | BancFirst |
| $150,000–350,000 | CAVIN WRECKER SERVICE LLC | EL RENO, OK | BancFirst |
| $350,000–1 million | CBH OF NORMAN OPERATING LLC | NORMAN, OK | BancFirst |
| $150,000–350,000 | CCL ACQUISITION LLC | CATOOSA, OK | BancFirst |
| $350,000–1 million | CEDAR CREST MANOR INC | LAWTON, OK | BancFirst |
| $350,000–1 million | CENTRAL BURIAL VAULTS, INC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | CENTRAL EXPANDED METAL, INC. | CHANDLER, OK | BancFirst |
| $150,000–350,000 | CENTRAL HEALTH SERVICES LLC | SHAWNEE, OK | BancFirst |
| $150,000–350,000 | CEP MINERALS, LLC | DALLAS, TX | BancFirst |
| $150,000–350,000 | CGT WHOLESALE FLOORING LLC | OKLAHOMA CITY, OK | BancFirst |
| $2–5 million | CHANDLER USA, INC. | CHANDLER, OK | BancFirst |
| $150,000–350,000 | CHAPMAN WOODWORKS, LLC | SALADO, TX | BancFirst |
| $150,000–350,000 | CHARLES RILEY TRUCKING, LLC | MARLOW, OK | BancFirst |
| $150,000–350,000 | CHARLESTON'S - S OKC, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CHARLESTON'S ENTERPRISES, INC. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | CHARLESTON'S OF MERIDIAN, INC. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | CHARLESTON'S OF NORMAN, INC. | NORMAN, OK | BancFirst |
| $350,000–1 million | CHARLESTON'S OF TULSA, INC. | TULSA, OK | BancFirst |
| $2–5 million | CHARLESTON'S RESTAURANT GROUP, INC | NORMAN, OK | BancFirst |
| $150,000–350,000 | CHARLESTON'S-BRICKTOWN, LLC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | CHARLESTON'S-BROKEN ARROW, LLC | BROKEN ARROW, OK | BancFirst |
| $350,000–1 million | CHARLESTON'S-EDMOND, LLC | EDMOND, OK | BancFirst |
| $350,000–1 million | CHARLESTON'S-MESA INC. | MESA, AZ | BancFirst |
| $150,000–350,000 | CHARLESTON'S-OMAHA II, LLC | OMAHA, NE | BancFirst |
| $350,000–1 million | CHARLESTON'S-OMAHA, INC. | OMAHA, NE | BancFirst |
| $150,000–350,000 | CHARLESTON'S-PHOENIX I, INC. | CHANDLER, AZ | BancFirst |
| $150,000–350,000 | CHARLESTON'S-SCOTTSDALE, INC. | SCOTTSDALE, AZ | BancFirst |
| $350,000–1 million | CHARLESTON'S-TULSA, LLC | TULSA, OK | BancFirst |
| $350,000–1 million | CHARLESTON'S-W MEMORIAL RD, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CHARLESTON'S-WARD PARKWAY, LLC | KANSAS CITY, MO | BancFirst |
| $5–10 million | CHC HOLDINGS | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | CHEEK LAW FIRM, PLLC | OKLAHOMA CITY, OK | BancFirst |