| $350,000–1 million | O&F MACHINE PRODUCTS COMPANY | Joplin, MO | Arvest Bank |
| $350,000–1 million | O&F MACHINE PRODUCTS COMPANY | JOPLIN, MO | Arvest Bank |
| $150,000–350,000 | O'REILLY HOSPITALITY III LLC | Springfield, MO | Arvest Bank |
| $150,000–350,000 | O'REILLY HOSPITALITY III, LLC | SPRINGFIELD, MO | Arvest Bank |
| $1–2 million | O'REILLY HOSPITALITY LLC | Springfield, MO | Arvest Bank |
| $350,000–1 million | O'REILLY HOSPITALITY MANAGEMENT LLC | Springfield, MO | Arvest Bank |
| $350,000–1 million | O'REILLY HOSPITALITY MANAGEMENT, LLC | SPRINGFIELD, MO | Arvest Bank |
| $350,000–1 million | O'REILLY HOSPITALITY, LLC | SPRINGFIELD, MO | Arvest Bank |
| $350,000–1 million | O'REILLY HOSPITALIY II LLC | Springfield, MO | Arvest Bank |
| $150,000–350,000 | O'REILLY HOSPITALIY II, LLC | SPRINGFIELD, MO | Arvest Bank |
| $1–2 million | O'REILLY HOTEL PARTNERS CHAMPION CIRCLE LLC | Fort Worth, TX | Arvest Bank |
| $350,000–1 million | O'REILLY HOTEL PARTNERS CHAMPION CIRCLE, LLC | FORT WORTH, TX | Arvest Bank |
| $1–2 million | O'REILLY HOTEL PARTNERS-DENTON LLC | Denton, TX | Arvest Bank |
| $1–2 million | O'REILLY HOTEL PARTNERS-DENTON, LLC | DENTON, TX | Arvest Bank |
| $150,000–350,000 | O'STEEN MEAT SPECIALTIES, INC. | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | OFFICE EQUIPMENT CENTER OF AMERICA INC. | Little Rock, AR | Arvest Bank |
| $150,000–350,000 | OFFICE EQUIPMENT CENTER OF AMERICA, INC. | LITTLE ROCK, AR | Arvest Bank |
| $150,000–350,000 | OFFICE OF HUMAN CONCERN, INC. | ROGERS, AR | Arvest Bank |
| $350,000–1 million | OHT IV LLC | Tulsa, OK | Arvest Bank |
| $350,000–1 million | OHT IV, LLC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | OKLAHOMA ABSTRACT COMPANY OF LAWTON, INC | LAWTON, OK | Arvest Bank |
| $150,000–350,000 | OKLAHOMA DISASTER RESTORATION & CLEANING SPECIALISTS INC. | Tulsa, OK | Arvest Bank |
| $150,000–350,000 | OKLAHOMA DISASTER RESTORATION & CLEANING SPECIALISTS, INC. | TULSA, OK | Arvest Bank |
| $150,000–350,000 | OKLAHOMA RV CENTER, LLC | MOORE, OK | Arvest Bank |
| $350,000–1 million | OKLAHOMA VETERINARY SPECIALIST, LLC | TULSA, OK | Arvest Bank |
| $350,000–1 million | OKLAHOMA VISION DEVELOPMENT CENTER INC. P.C. | Tulsa, OK | Arvest Bank |
| $350,000–1 million | OKLAHOMA VISION DEVELOPMENT CENTER, INC., P.C. | TULSA, OK | Arvest Bank |
| $1–2 million | OKLAHOMA WESLEYAN UNIVERSITY, INC | BARTLESVILLE, OK | Arvest Bank |
| $1–2 million | OLIVET INTERNATIONAL INC | BENTONVILLE, AR | Arvest Bank |
| $150,000–350,000 | OMAHA HOTEL PARTNERS LLC | Springfield, MO | Arvest Bank |
| $150,000–350,000 | OMAHA HOTEL PARTNERS, LLC | OMAHA, NE | Arvest Bank |
| $150,000–350,000 | OMSUBWAY,INC | LITTLE ROCK, AR | Arvest Bank |
| $150,000–350,000 | OMSUBWAYINC | Little Rock, AR | Arvest Bank |
| $150,000–350,000 | ON THE CUSP PEDIATRIC DENTISTRY, PLLC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | ONE WAY CLEANING COMPANY INC | Grandview, MO | Arvest Bank |
| $150,000–350,000 | ONE WAY CLEANING COMPANY INC | GRANDVIEW, MO | Arvest Bank |
| $150,000–350,000 | ONESTONE SOLUTIONS GROUP, LLC | ROGERS, AR | Arvest Bank |
| $350,000–1 million | ONSPRINGS TECHNOLOGIES, LLC | OVERLAND PARK, KS | Arvest Bank |
| $2–5 million | OPAL FOODS COOPERATIVE, INC | NEOSHO, MO | Arvest Bank |
| $150,000–350,000 | OPEN ARMS LEARNING CENTER, INC. | MOUNTAIN HOME, AR | Arvest Bank |
| $150,000–350,000 | OPTIMUM CARE HOSPITALIST GROUP, PLLC | EDMOND, OK | Arvest Bank |
| $350,000–1 million | OREN ATCHLEY COMPANY, INC. | FORT SMITH, AR | Arvest Bank |
| $1–2 million | ORR ENTERPRISES INC. | Duncan, OK | Arvest Bank |
| $1–2 million | ORR ENTERPRISES, INC. | DUNCAN, OK | Arvest Bank |
| $1–2 million | ORR MOTORS OF FORT SMITH 3, INC. | FORT SMITH, AR | Arvest Bank |
| $350,000–1 million | ORR MOTORS OF FORT SMITH 4, INC. | FORT SMITH, AR | Arvest Bank |
| $350,000–1 million | ORR MOTORS OF GREENVILLE, INC | LAWTON, OK | Arvest Bank |
| $350,000–1 million | ORR NISSAN OF WICHITA, INC. | WICHITA, KS | Arvest Bank |
| $350,000–1 million | ORRKLAHOMA CENTRAL, LLC | OKLAHOMA CITY, OK | Arvest Bank |
| $350,000–1 million | ORRKLAHOMA EAST, LLC | DEL CITY, OK | Arvest Bank |
| $350,000–1 million | ORRKLAHOMA MOTORS, INC. | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | ORRKLAHOMA WEST, LLC | OKLAHOMA CITY, OK | Arvest Bank |
| $150,000–350,000 | OTT FOOD PRODUCTS, L.L.C. | CARTHAGE, MO | Arvest Bank |
| $150,000–350,000 | OVERHEAD DOOR COMPANY OF SPRINGDALE, INC | SPRINGDALE, AR | Arvest Bank |
| $350,000–1 million | OZARK DERMATOLOGY CLINIC | FAYETTEVILLE, AR | Arvest Bank |
| $350,000–1 million | OZARK INTERESTS, INC. | MOUNT IDA, AR | Arvest Bank |
| $150,000–350,000 | OZARK SURGICAL GROUP | MOUNTAIN HOME, AR | Arvest Bank |
| $2–5 million | OZARK TRI-COUNTY HEALTH CARE CONSORTIUM | NEOSHO, MO | Arvest Bank |
| $2–5 million | OZARKS ELECTRIC COOPERATIVE CORP | FAYETTEVILLE, AR | Arvest Bank |
| $150,000–350,000 | OZARKS REGIONAL STOCKYARD, INC | WEST PLAINS, MO | Arvest Bank |
| $350,000–1 million | OZARKSGO, LLC | FAYETTEVILLE, AR | Arvest Bank |
| $150,000–350,000 | P&P INDUSTRIAL PAINT INC | Tulsa, OK | Arvest Bank |
| $150,000–350,000 | P&P INDUSTRIAL PAINT INC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | PACKAGE POINT DELIVERY, LLC | OWASSO, OK | Arvest Bank |
| $350,000–1 million | PAINT INNOVATORS INC. | Springdale, AR | Arvest Bank |
| $350,000–1 million | PAINT INNOVATORS, INC. | SPRINGDALE, AR | Arvest Bank |
| $150,000–350,000 | PAISA PRODUCE LLC | TULSA, OK | Arvest Bank |
| $350,000–1 million | PALMER CONTINUUM OF CARE INC | Tulsa, OK | Arvest Bank |
| $350,000–1 million | PALMER CONTINUUM OF CARE, INC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | PAM RODGERS INTERIORS, INC. | PERRYVILLE, AR | Arvest Bank |
| $150,000–350,000 | PAPPARADELLA INC | Fayetteville, AR | Arvest Bank |
| $150,000–350,000 | PAROS ESTIATORIO | Leawood, KS | Arvest Bank |
| $150,000–350,000 | PARRISH EQUIPMENT SUPPLY, INC. | NASHVILLE, AR | Arvest Bank |
| $150,000–350,000 | PATH UTILITY CONSTRUCTION LLC | SPRINGDALE, AR | Arvest Bank |
| $150,000–350,000 | PATH UTILITY CONSTRUCTION LLC | Springdale, AR | Arvest Bank |
| $150,000–350,000 | PATHMAKER LLC | BARTLESVILLE, OK | Arvest Bank |
| $350,000–1 million | PATRIOT AUTO GROUP 2, LLC | CHANDLER, OK | Arvest Bank |
| $350,000–1 million | PATRIOT AUTO GROUP 3, LLC | MCALESTER, OK | Arvest Bank |
| $350,000–1 million | PATRIOT AUTO GROUP 4, LLC | BARTLESVILLE, OK | Arvest Bank |
| $350,000–1 million | PATRIOT AUTO GROUP 5, LLC | ARDMORE, OK | Arvest Bank |
| $350,000–1 million | PATRIOT AUTO GROUP, LLC | BARTLESVILLE, OK | Arvest Bank |
| $350,000–1 million | PAUL DAVIS SYSTEMS OF TULSA INC | TULSA, OK | Arvest Bank |
| $350,000–1 million | PAUL DAVIS SYSTEMS OF TULSA, INC | TULSA, OK | Arvest Bank |
| $150,000–350,000 | PAYNE SIGN COMPANY | SPRINGFIELD, MO | Arvest Bank |
| $150,000–350,000 | PAYNE SIGN COMPANY | Springfield, MO | Arvest Bank |
| $150,000–350,000 | PBX CORPORATION | TULSA, OK | Arvest Bank |
| $150,000–350,000 | PEACE ACADEMY | TULSA, OK | Arvest Bank |
| $150,000–350,000 | PEACE AT HOME FAMILY SHELTER INC | FAYETTEVILLE, AR | Arvest Bank |
| $150,000–350,000 | PEARSON BROADCASTING MANAGEMENT SERVICES, INC. | HARRISON, AR | Arvest Bank |
| $150,000–350,000 | PECK & ASSOCIATES, P.C. | NORMAN, OK | Arvest Bank |
| $350,000–1 million | PENGUIN ED'S BARBEQUE | Fayetteville, AR | Arvest Bank |
| $150,000–350,000 | PENGUIN ED'S BARBEQUE | FAYETTEVILLE, AR | Arvest Bank |
| $150,000–350,000 | PETROMARK INC | Harrison, AR | Arvest Bank |
| $150,000–350,000 | PETROMARK INC | HARRISON, AR | Arvest Bank |
| $150,000–350,000 | PHILPOTT EYE ASSOCIATES PA | Siloam Springs, AR | Arvest Bank |
| $150,000–350,000 | PHILPOTT EYE ASSOCIATES, PA | SILOAM SPRINGS, AR | Arvest Bank |
| $350,000–1 million | PHOENIX FAMILY HOUSING CORPORATION | KANSAS CITY, MO | Arvest Bank |
| $150,000–350,000 | PHOENIX FAMILY HOUSING CORPORATION | Kansas City, MO | Arvest Bank |
| $150,000–350,000 | PHOENIX RISING AVIATION INC | Bartlesville, OK | Arvest Bank |
| $150,000–350,000 | PHOENIX RISING AVIATION INC | BARTLESVILLE, OK | Arvest Bank |