| $150,000–350,000 | MREATS CORRAL, LLC | TULSA, OK | Security Bank |
| $150,000–350,000 | MS HENRY LAW OFFICE PLLC | TULSA, OK | Regent Bank |
| $150,000–350,000 | MUIRFIELD RESOURCES COMPANY | TULSA, OK | CrossFirst Bank |
| $150,000–350,000 | MURET CPA, PLLC | TULSA, OK | BancFirst |
| $350,000–1 million | MW PIPING FABRICATION, LLC | TULSA, OK | Oklahoma Capital Bank |
| $150,000–350,000 | MY CHOICE IN HOME SENIOR SERVICES, LLC | TULSA, OK | BOKF, National Association |
| $350,000–1 million | MYHEALTH ACCESS NETWORK, INC. | TULSA, OK | BOKF, National Association |
| $1–2 million | NADEL AND GUSSMAN MANAGEMENT LLC | TULSA, OK | Watermark Bank |
| $1–2 million | NAME BRANDS, INC | TULSA, OK | UMB Bank, National Association |
| $350,000–1 million | NAMEPLATES, INC. | TULSA, OK | Bank 7 |
| $350,000–1 million | NATIONAL BUS SALES INC | TULSA, OK | First Oklahoma Bank |
| $350,000–1 million | NATIONAL COMMUNITY DEVELOPMENT CORPORATION OF OKLAHOMA, INC. | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | NATIONAL HEALTHCARE PARTNERS LLC | TULSA, OK | Central Bank of Oklahoma |
| $150,000–350,000 | NATIONAL OCCUPATIONAL HEALTH SERVICES, LLC | TULSA, OK | First Oklahoma Bank |
| $350,000–1 million | NATIONAL WASTE & DISPOSAL, INC | TULSA, OK | Oklahoma Capital Bank |
| $150,000–350,000 | NATIVE TULSAN EATERIES, INC. | TULSA, OK | Peoples Bank |
| $2–5 million | NAVICO INC | TULSA, OK | Wells Fargo Bank, National Association |
| $150,000–350,000 | NEIGHBOR FOR NEIGHBOR | TULSA, OK | Regent Bank |
| $150,000–350,000 | NEIGHBORHOOD JAM-TULSA, LLC | TULSA, OK | BancFirst |
| $150,000–350,000 | NELSON AUTO GROUP, LLC | TULSA, OK | Firstar Bank |
| $350,000–1 million | NELSON MOTORS, LLC | TULSA, OK | Firstar Bank |
| $350,000–1 million | NEOSOURCE INC. | TULSA, OK | BOKF, National Association |
| $350,000–1 million | NEPHROLOGY ASSOCIATES, INC. | TULSA, OK | Regent Bank |
| $150,000–350,000 | NEUROLINKS OF TULSA, LLC | TULSA, OK | Prosperity Bank |
| $150,000–350,000 | NEUROLOGICAL SURGERY, INC. | TULSA, OK | Prosperity Bank |
| $150,000–350,000 | NEUROPATHY TREATMENT CLINIC OF OKLAHOMA, LLC | TULSA, OK | Grand Bank |
| $350,000–1 million | NEW DOMINION LLC | TULSA, OK | Vast Bank, National Association |
| $150,000–350,000 | NEW WORKFORCE DIRECTIONS, INC. | TULSA, OK | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | NEWAVE SOLUTIONS LLC | TULSA, OK | BOKF, National Association |
| $350,000–1 million | NEWBORN SPECIALISTS OF TULSA, P.C. | TULSA, OK | Simmons Bank |
| $350,000–1 million | NICHOLS GROUP PR-ADMINISTRATION, LLC | TULSA, OK | Equity Bank |
| $150,000–350,000 | NMW, LLC | TULSA, OK | Firstar Bank |
| $350,000–1 million | NORIA CORPORATION | TULSA, OK | Commerce Bank |
| $150,000–350,000 | NORMAN WOHLGEMUTH CHANDLER JETER BARNETT & RAY PC | TULSA, OK | Mabrey Bank |
| $150,000–350,000 | NORTH AMERICAN SITE SERVICES, LLC | TULSA, OK | UMB Bank, National Association |
| $150,000–350,000 | NORTH EAST OK MFG INC | TULSA, OK | Security Bank |
| $350,000–1 million | NORTHEAST WASTE SOLUTIONS LLC | TULSA, OK | Security Bank |
| $150,000–350,000 | NOTYEP, LLC | TULSA, OK | INTRUST Bank, National Association |
| $150,000–350,000 | NSI TECHNOLOGIES, LLC | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | NU-TIER BRANDS, INC | TULSA, OK | Pioneer Savings Bank |
| $350,000–1 million | NUMEDICA, LLC | TULSA, OK | AVB Bank |
| $150,000–350,000 | OAKLAND PETROLEUM OPERATING COMPANY, INC | TULSA, OK | International Bank of Commerce |
| $2–5 million | OAKTREE SOFTWARE, INC. | TULSA, OK | Mabrey Bank |
| $150,000–350,000 | OB GYN SPECIALISTS OF TULSA PLLC | TULSA, OK | Mabrey Bank |
| $350,000–1 million | OCV FLUID SOLUTIONS, LLC | TULSA, OK | Regent Bank |
| $350,000–1 million | ODIN UTILITIES LLC | TULSA, OK | Territorial Bank of American Samoa |
| $150,000–350,000 | OEX-1, LLC | TULSA, OK | CrossFirst Bank |
| $350,000–1 million | OFFICE EXPRESS JANITORIAL SERVICES, INC | TULSA, OK | First Pryority Bank |
| $350,000–1 million | OHT IV, LLC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | OK FAB AND MACHINING, LLC | TULSA, OK | Morton Community Bank |
| $350,000–1 million | OK FILTER CO,, INC. | TULSA, OK | First National Bank of Oklahoma |
| $350,000–1 million | OK MATTRESS VENTURES | TULSA, OK | MidFirst Bank |
| $1–2 million | OKLAHOMA CANCER SPECIALIST MANAGEMENT, LLC | TULSA, OK | Prosperity Bank |
| $2–5 million | OKLAHOMA CANCER SPECIALISTS AND RESEARCH INSTITUTE, LLC | TULSA, OK | Prosperity Bank |
| $150,000–350,000 | OKLAHOMA CANOPIES AND AWNINGS, LLC | TULSA, OK | Security Bank |
| $150,000–350,000 | OKLAHOMA CENTENNIAL BOTANICAL GARDEN | TULSA, OK | Blue Sky Bank |
| $150,000–350,000 | OKLAHOMA CENTER FOR ARTHRITIS THERAPY AN | TULSA, OK | Prosperity Bank |
| $350,000–1 million | OKLAHOMA CHILLER CORPORATION | TULSA, OK | BancFirst |
| $150,000–350,000 | OKLAHOMA DISABILITY LAW CENTER | TULSA, OK | Regent Bank |
| $150,000–350,000 | OKLAHOMA DISASTER RESTORATION & CLEANING SPECIALISTS, INC. | TULSA, OK | Arvest Bank |
| $350,000–1 million | OKLAHOMA FORGE LLC | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | OKLAHOMA LANDSCAPE INC. | TULSA, OK | Grand Bank |
| $150,000–350,000 | OKLAHOMA LEARNING LLC | TULSA, OK | First Bank of Owasso |
| $150,000–350,000 | OKLAHOMA MEDICAL BILLING INC | TULSA, OK | BOKF, National Association |
| $2–5 million | OKLAHOMA METHODIST MANOR, INC | TULSA, OK | Prosperity Bank |
| $150,000–350,000 | OKLAHOMA POLICY, INC. | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | OKLAHOMA SHAMROCK SALES INC | TULSA, OK | Bank of the West |
| $350,000–1 million | OKLAHOMA SPINE AND BRAIN INSTITUTE PC | TULSA, OK | MidFirst Bank |
| $350,000–1 million | OKLAHOMA STAFFING SPECIALISTS, LLC | TULSA, OK | Regent Bank |
| $350,000–1 million | OKLAHOMA VETERINARY SPECIALIST, LLC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | OKLAHOMA VETERINARY SURGERY, LLC | TULSA, OK | First United Bank and Trust Company |
| $350,000–1 million | OKLAHOMA VISION DEVELOPMENT CENTER, INC., P.C. | TULSA, OK | Arvest Bank |
| $150,000–350,000 | OKLAHOMA WISDOM TEETH CENTER | TULSA, OK | Regent Bank |
| $150,000–350,000 | OLIFANT ENERGY LLC | TULSA, OK | Commerce Bank |
| $150,000–350,000 | OLYMPIA ANESTHESIA PLC | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | OMECORP, L.L.C. | TULSA, OK | Security Bank |
| $350,000–1 million | OMNI AIR TRANSPORT, LLC | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | ON THE CUSP PEDIATRIC DENTISTRY, PLLC | TULSA, OK | Arvest Bank |
| $2–5 million | OPTIMUS INDUSTRIES LLC | TULSA, OK | JPMorgan Chase Bank, National Association |
| $1–2 million | OPTRONICS INTERNATIONAL LLC | TULSA, OK | BOKF, National Association |
| $350,000–1 million | ORAL ROBERTS EVANGELISTIC ASSOCIATION, INC. | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | ORCA OPERATING COMPANY, LLC | TULSA, OK | Commerce Bank |
| $150,000–350,000 | ORION EXPLORATION, LLC | TULSA, OK | CrossFirst Bank |
| $150,000–350,000 | ORTHOPEDIC & TRAUMA SERVICE OF OKLAHOMA,PC | TULSA, OK | Yorktown Bank |
| $5–10 million | OSAGE NATION GAMING ENTERPRISE | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | OSAKA SUSHI KDBT, INC | TULSA, OK | Security Bank |
| $150,000–350,000 | OSTEOPATHIC PHYSICIANS OF TULSA | TULSA, OK | BOKF, National Association |
| $150,000–350,000 | OUR JOYS MULTIPLIED, LLC | TULSA, OK | Grand Bank |
| $350,000–1 million | OVERHEAD DOOR COMPANY OF TULSA | TULSA, OK | Mabrey Bank |
| $350,000–1 million | OVERHEAD DOOR OF TULSA RESIDENTIAL, INC. | TULSA, OK | CrossFirst Bank |
| $350,000–1 million | OZARK STEEL LLC | TULSA, OK | Prosperity Bank |
| $150,000–350,000 | P&M INDUSTRIES INC | TULSA, OK | The First National Bank and Trust Company of Broken Arrow |
| $150,000–350,000 | P&P INDUSTRIAL PAINT INC | TULSA, OK | Arvest Bank |
| $2–5 million | PACESETTER CLAIMS SERVICES, IC. | TULSA, OK | Security Bank |
| $1–2 million | PACESETTER TEMPORARY SERVICES, LLC | TULSA, OK | Security Bank |
| $150,000–350,000 | PAISA PRODUCE LLC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | PAISAN LOGISTICS LLC | TULSA, OK | JPMorgan Chase Bank, National Association |
| $350,000–1 million | PALMER CONTINUUM OF CARE, INC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | PALMETTO MIDWEST FITNESS, INC. | TULSA, OK | JPMorgan Chase Bank, National Association |
| $2–5 million | PARKSIDE INC | TULSA, OK | BOKF, National Association |