| $150,000–350,000 | 07 ENERGY CO LLC | MARIETTA, OK | BancFirst |
| $150,000–350,000 | 1 CALL CONTRACTORS LLC | COWETA, OK | BancFirst |
| $1–2 million | 12 & 12, INC. | TULSA, OK | BancFirst |
| $150,000–350,000 | 1NONLY PHIMAR LLC | DALLAS, TX | BancFirst |
| $150,000–350,000 | 20 WEST LLC | TULSA, OK | BancFirst |
| $150,000–350,000 | 2028, INC. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | 34 OAKS FINE CANBINETRY LLC | DALLAS, TX | BancFirst |
| $1–2 million | 400 LAVACA LLC | AUSTIN, TX | BancFirst |
| $150,000–350,000 | 4J FOUNDATION, INC. | SHAWNEE, OK | BancFirst |
| $350,000–1 million | A GOOD EGG DINING GROUP, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | AAE ELECTRIC INC | STILLWATER, OK | BancFirst |
| $150,000–350,000 | ABBOTT DERMATOLOGY, PC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | ABERSONS INC | TULSA, OK | BancFirst |
| $350,000–1 million | ABSENTEE SHAWNEE TRIBE OF OKLAHOMA | SHAWNEE, OK | BancFirst |
| $150,000–350,000 | ABW, INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | ABWS TULSA, INC | TULSA, OK | BancFirst |
| $150,000–350,000 | ACADEMY OF SEMINOLE INC | SEMINOLE, OK | BancFirst |
| $150,000–350,000 | ACCENT MOVING & STORAGE INC | BROKEN ARROW, OK | BancFirst |
| $150,000–350,000 | ACE ELECTRICAL SERVICES LLC | GUTHRIE, OK | BancFirst |
| $350,000–1 million | ACME MANUFACTURING CORP | CLAREMORE, OK | BancFirst |
| $350,000–1 million | ACTION PHYSICAL THERAPY REHABILITATION LLC | SHAWNEE, OK | BancFirst |
| $1–2 million | ADG PC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | ADMINISTRATIVE CONSULTANT SERVICE, LLC | SHAWNEE, OK | BancFirst |
| $150,000–350,000 | ADMONT SUPPLY LLC | MCALESTER, OK | BancFirst |
| $350,000–1 million | ADVANCED CONSTRUCTION SERVICES, INC. | NORMAN, OK | BancFirst |
| $150,000–350,000 | ADVANCED FACIAL PLASTIC SURGERY CENTER PA | DALLAS, TX | BancFirst |
| $150,000–350,000 | ADVANCED SURGICAL, LLC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | ADVANCED WORKZONE SERVICES, LLC | MUSKOGEE, OK | BancFirst |
| $150,000–350,000 | AEXCO PETROLEUM, INC | DENVER, CO | BancFirst |
| $150,000–350,000 | AGE KITCHEN324, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | AGILITY MEDICAL GROUP | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | AGRITEXGAS, LP | DALLAS, TX | BancFirst |
| $150,000–350,000 | AIR CONDITIONING CONCEPTS OF OK, LLC | EDMOND, OK | BancFirst |
| $150,000–350,000 | AIR FLITE, INC. | SHAWNEE, OK | BancFirst |
| $150,000–350,000 | AIRFLO COOLING TECHNOLOGIES, LLC | TULSA, OK | BancFirst |
| $350,000–1 million | AKG SERVICES, LLC | FORT WORTH, TX | BancFirst |
| $150,000–350,000 | ALI TORABI DDS, PLC | CLAREMORE, OK | BancFirst |
| $150,000–350,000 | ALL AMERICAN ELECTRIC LLP | EDMOND, OK | BancFirst |
| $150,000–350,000 | ALL AMERICAN FIRE SYSTEMS, INC | CLAREMORE, OK | BancFirst |
| $150,000–350,000 | ALL COMFORT SPECIALIST, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | ALL STEEL BUILDING COMPANY | GLENPOOL, OK | BancFirst |
| $350,000–1 million | ALLEGIANT ENERGY PRODUCTION AND AUTOMATION SERVICES LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | ALLEGIANT MARKETING GROUP | EDMOND, OK | BancFirst |
| $150,000–350,000 | ALLIANCE CAREERS II, INC. | RALEIGH, NC | BancFirst |
| $150,000–350,000 | ALLIANCE ELECTRICAL CONTRACTORS, INC. | TULSA, OK | BancFirst |
| $1–2 million | ALLIED HEALTH CARE CORPORATION | FORT LAUDERDALE, FL | BancFirst |
| $1–2 million | ALLIED STEEL CONSTRUCTION CO | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | ALLTECH COMMUNICATIONS LLC | TULSA, OK | BancFirst |
| $150,000–350,000 | ALOISIO FAMILY ENTERPRISES, LLC | TULSA, OK | BancFirst |
| $350,000–1 million | ALPHA INVESTMENT CASTING, LLC | TULSA, OK | BancFirst |
| $150,000–350,000 | ALTERNACARE INC | MUSKOGEE, OK | BancFirst |
| $150,000–350,000 | ALTUREX, LLC | GUTHRIE, OK | BancFirst |
| $150,000–350,000 | AMARKO STAFFING LLC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | AMERICAN AUTO PARKS, LLC | TULSA, OK | BancFirst |
| $150,000–350,000 | AMERICAN CHORAL DIRECTORS ASSOCIATION | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | AMERICAN DIRECTIONAL TECHNOLOGY, INC. | WAYNE, OK | BancFirst |
| $150,000–350,000 | AMERICAN INDIAN CULTURAL CENTER FOUNDATION | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | AMERIRESOURCE GROUP INC. | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | AMUNDSEN COMMERCIAL KITCHENS INC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | ANCHOR PAINT MFG. CO. INC | TULSA, OK | BancFirst |
| $150,000–350,000 | ANDERSON AND HOUSE INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | ANESTHESIA PARTNERS OF DALLAS, PLLC | DALLAS, TX | BancFirst |
| $150,000–350,000 | ANUREET K BAJAJ MD PC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | ARCON MANAGEMENT COMPANY, LLC | MUSKOGEE, OK | BancFirst |
| $150,000–350,000 | ARDMORE ELECTRIC SUPPLY INC | ARDMORE, OK | BancFirst |
| $350,000–1 million | ARKANSAS-OKLAHOMA RAILROAD COMPANY INC. | WILBURTON, OK | BancFirst |
| $150,000–350,000 | ARNOLD BROTHERS FOREST PRODUCTS INC. | ATOKA, OK | BancFirst |
| $350,000–1 million | ARROW WRECKER SERVICE | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | ARROWHEAD ELECTRIC, LLC | TULSA, OK | BancFirst |
| $350,000–1 million | ASAP HEATING AND AIR INC | TULSA, OK | BancFirst |
| $350,000–1 million | ASC, INC. | TULSA, OK | BancFirst |
| $1–2 million | ASHTON GRAY OFS, LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | ASHTON GRAY, LLC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | ASPHALT EXPRESS ENTERPRISES, LLC | ARDMORE, OK | BancFirst |
| $150,000–350,000 | ASPIRE MANAGEMENT LLC | MUSKOGEE, OK | BancFirst |
| $150,000–350,000 | ATIP CORP | TULSA, OK | BancFirst |
| $2–5 million | AUDIE PRICE INSPECTION, INC | KINGFISHER, OK | BancFirst |
| $350,000–1 million | AUTO ADVANTAGE FINANCE LLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | AUTO FINANCE USA, LLC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | AUTOMATED BUILDING SYSTEMS, INC. | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | AUTOMATED BUILDING SYSTEMS-TULSA, INC. | TULSA, OK | BancFirst |
| $2–5 million | AVIATION TRAINING CONSULTING, LLC | ALTUS, OK | BancFirst |
| $5–10 million | AXH HOLDINGS | TULSA, OK | BancFirst |
| $150,000–350,000 | B&B AUTO PARTS & SALVAGE, INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | B&B FLORIDA EYE CARE, PLLC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | B&B FOODS, LLC | EDMOND, OK | BancFirst |
| $150,000–350,000 | B&B FOODS-NORMAN, LLC | NORMAN, OK | BancFirst |
| $350,000–1 million | B.C. CLARK, INC. | OKLAHOMA CITY, OK | BancFirst |
| $1–2 million | B.O.P. RAM-BLOCK & IRON RENTALS, INC. | WEATHERFORD, OK | BancFirst |
| $150,000–350,000 | BACK 40 DESIGN INC | EDMOND, OK | BancFirst |
| $350,000–1 million | BACONE COLLEGE INC | MUSKOGEE, OK | BancFirst |
| $150,000–350,000 | BALLIETS | NICHOLS HILLS, OK | BancFirst |
| $350,000–1 million | BARNETT ELECTRICAL LLC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | BARNETT SIGNS INC | MESQUITE, TX | BancFirst |
| $150,000–350,000 | BARNWATER DEVELOPMENT INC | ARDMORE, OK | BancFirst |
| $150,000–350,000 | BAUMAN MACHINE INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | BAZECORP INVESTMENTS, INC | OKLAHOMA CITY, OK | BancFirst |
| $150,000–350,000 | BBM STEEL BUILDINGS INC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | BEALS CUNNINGHAM ADVERTISING AGENCY INC | OKLAHOMA CITY, OK | BancFirst |
| $350,000–1 million | BEARWOOD CONCEPTS, INC. | TULSA, OK | BancFirst |