| $150,000–350,000 | ORAL SURGERY KANSAS LC | Lawrence, KS | RCB Bank |
| $150,000–350,000 | ORAL SURGERY KANSAS, LC | LAWRENCE, KS | RCB Bank |
| $150,000–350,000 | ORANGE5, LLC. | OWASSO, OK | RCB Bank |
| $150,000–350,000 | OVERBILT TRAILER COMPANY | DRUMRIGHT, OK | RCB Bank |
| $350,000–1 million | OVERLAND PARK SENIOR LIVING, LLC | OVERLAND PARK, KS | RCB Bank |
| $150,000–350,000 | OWASSO WINGS LLC | OWASSO, OK | RCB Bank |
| $150,000–350,000 | PEDIATRIC DENTAL PARTNERS, PLLC | OKLAHOMA CITY, OK | RCB Bank |
| $150,000–350,000 | PERSONNEL STAFFING INC. | Ponca City, OK | RCB Bank |
| $150,000–350,000 | PERSONNEL STAFFING INC. | PONCA CITY, OK | RCB Bank |
| $150,000–350,000 | PHOENIX SUPPLY, INC | WICHITA, KS | RCB Bank |
| $350,000–1 million | PINNACLE CONSULTING MANAGEMENT GROUP, INC. | OKLAHOMA CITY, OK | RCB Bank |
| $150,000–350,000 | PLS PARTNERS INC. | Wichita, KS | RCB Bank |
| $150,000–350,000 | PLUMBING SOLUTIONS OF WICHITA, INC | WICHITA, KS | RCB Bank |
| $350,000–1 million | PMG ONE L.C. | Edmond, OK | RCB Bank |
| $350,000–1 million | PMG ONE, L.C. | EDMOND, OK | RCB Bank |
| $150,000–350,000 | PONCA CITY ** FIRST LUTHERAN CHURCH OF PONCA CITY, OKLAHOMA | PONCA CITY, OK | RCB Bank |
| $150,000–350,000 | PONCA MACHINE COMPANY | Ponca City, OK | RCB Bank |
| $150,000–350,000 | POOL CREATIONS INCORPORATED | Tulsa, OK | RCB Bank |
| $150,000–350,000 | POOL CREATIONS, INC | TULSA, OK | RCB Bank |
| $150,000–350,000 | PRECISION ENGINEERING GROUP LLC | Tulsa, OK | RCB Bank |
| $150,000–350,000 | PRECISION ENGINEERING, LLC | TULSA, OK | RCB Bank |
| $150,000–350,000 | PREMIER COLLISION CENTER INC | Broken Arrow, OK | RCB Bank |
| $150,000–350,000 | PREMIER COLLISION CENTER, INC. | BROKEN ARROW, OK | RCB Bank |
| $350,000–1 million | PREMIER LOGISTICS LLC | Tulsa, OK | RCB Bank |
| $150,000–350,000 | PREMIER LOGISTICS, LLC | STROUD, OK | RCB Bank |
| $150,000–350,000 | PROCRAFT MASONRY LLC | Tulsa, OK | RCB Bank |
| $150,000–350,000 | PROCRAFT MASONRY, LLC | TULSA, OK | RCB Bank |
| $150,000–350,000 | PROFESSIONAL INSURORS II AGENCY, L.L.C. | OKLAHOMA CITY, OK | RCB Bank |
| $350,000–1 million | PROVIDENCE HOME HEALTH & HOSPICE LLC | WICHITA, KS | RCB Bank |
| $150,000–350,000 | PULMONARY PHYSICIANS OF OKLAHOMA CITY LLC | OKLAHOMA CITY, OK | RCB Bank |
| $150,000–350,000 | R WINGS R WILD, LLC | LITTLE ROCK, AR | RCB Bank |
| $150,000–350,000 | RCI RISK CONSULTING SERVICE, LLC | CLAREMORE, OK | RCB Bank |
| $350,000–1 million | RDNJ, LLC | OKLAHOMA CITY, OK | RCB Bank |
| $150,000–350,000 | RED E ENTERPRISES LLC | Yukon, OK | RCB Bank |
| $350,000–1 million | RED PLAINS PROFESSIONAL INC | Edmond, OK | RCB Bank |
| $350,000–1 million | RED PLAINS PROFESSIONAL, INC. | EDMOND, OK | RCB Bank |
| $150,000–350,000 | RED PLAINS SURVEYING COMPANY | OKLAHOMA CITY, OK | RCB Bank |
| $150,000–350,000 | RICK SCOTT CONSTRUCTION PC LLC | Ponca City, OK | RCB Bank |
| $150,000–350,000 | RICK SCOTT CONSTRUCTION PC, LLC | PONCA CITY, OK | RCB Bank |
| $1–2 million | RK OILFIELD SERVICES LLC | PONCA CITY, OK | RCB Bank |
| $1–2 million | RK OILFIELD SERVICES LLC | Ponca City, OK | RCB Bank |
| $150,000–350,000 | RND UNDERGROUND INC | DERBY, KS | RCB Bank |
| $350,000–1 million | ROBERSON KOLKER COOPER & GOERES PC | Edmond, OK | RCB Bank |
| $350,000–1 million | ROBERSON, KOLKER, COOPER & GOERES, P.C. | EDMOND, OK | RCB Bank |
| $150,000–350,000 | ROBERTS HUTCH-LINE, INC. | HUTCHINSON, KS | RCB Bank |
| $150,000–350,000 | ROBINSON GLASS OF TULSA INC | TULSA, OK | RCB Bank |
| $150,000–350,000 | ROBOTZONE, LLC | WINFIELD, KS | RCB Bank |
| $150,000–350,000 | ROGERS COUNTY ABSTRACT COMPANY | CLAREMORE, OK | RCB Bank |
| $150,000–350,000 | RUGGED ROUSTABOUT, LLC | CUSHING, OK | RCB Bank |
| $150,000–350,000 | RWINGS ROCK LLC | TULSA, OK | RCB Bank |
| $350,000–1 million | S AND Y INDUSTRIES, INC. | WINFIELD, KS | RCB Bank |
| $150,000–350,000 | SCELERIN HEATERS LLC | Tulsa, OK | RCB Bank |
| $150,000–350,000 | SCELERIN HEATERS, LLC | TULSA, OK | RCB Bank |
| $150,000–350,000 | SCHWARZ ASPHALT, L.L.C. | OKLAHOMA CITY, OK | RCB Bank |
| $350,000–1 million | SCHWARZ PAVING COMPANY, INC | OKLAHOMA CITY, OK | RCB Bank |
| $150,000–350,000 | SDK LABORATORIES, INC. | HUTCHINSON, KS | RCB Bank |
| $150,000–350,000 | SHAWNEE WINGS LLC | SHAWNEE, OK | RCB Bank |
| $1–2 million | SHEBESTER-BECHTEL, INC. | OKLAHOMA CITY, OK | RCB Bank |
| $350,000–1 million | SHEPHERD OIL COMPANY LLC | Blackwell, OK | RCB Bank |
| $350,000–1 million | SHEPHERD OIL COMPANY, LLC | BLACKWELL, OK | RCB Bank |
| $350,000–1 million | SHEPHERD TRANSPORTATION, LLC | BLACKWELL, OK | RCB Bank |
| $150,000–350,000 | SISEMORE & ASSOCIATES, INC. | TULSA, OK | RCB Bank |
| $150,000–350,000 | SISU ENERGY & ENVIRONMENTAL LLC | Tulsa, OK | RCB Bank |
| $150,000–350,000 | SISU ENERGY & ENVIRONMENTAL, LLC | TULSA, OK | RCB Bank |
| $350,000–1 million | SKINNER TANK COMPANY | YALE, OK | RCB Bank |
| $150,000–350,000 | SMITH HOME FURNISHINGS, LTD. | PONCA CITY, OK | RCB Bank |
| $150,000–350,000 | SMITHCON, LLC | WICHITA, KS | RCB Bank |
| $150,000–350,000 | SOFTWATER SERVICES INCORPORATED | PONCA CITY, OK | RCB Bank |
| $1–2 million | SOUTH CENTRAL KANSAS REGIONAL MEDICAL CENTER | ARKANSAS CITY, KS | RCB Bank |
| $150,000–350,000 | SPECIALIZED OUTPATIENT SERVICES INC | OKLAHOMA CITY, OK | RCB Bank |
| $150,000–350,000 | SPECIALTY TELECOMMUNICATIONS SERVICES INC LLC | OKLAHOMA CITY, OK | RCB Bank |
| $150,000–350,000 | SPECIALTY TELECOMMUNICATIONS SERVICES LLC | Oklahoma City, OK | RCB Bank |
| $150,000–350,000 | ST MARYS CATHOLIC CHURCH OF PONCA CITY OKLAHOMA | PONCA CITY, OK | RCB Bank |
| $350,000–1 million | STEER INN INC. | Cushing, OK | RCB Bank |
| $150,000–350,000 | STEER INN, INC. | CUSHING, OK | RCB Bank |
| $150,000–350,000 | STEPHEN H. MCDONALD & ASSOCIATES INC | Norman, OK | RCB Bank |
| $150,000–350,000 | STEPHEN H. MCDONALD & ASSOCIATES INC. | Norman, OK | RCB Bank |
| $150,000–350,000 | STILLWATER ** THE FIRST UNITED METHODIST CHURCH OF STILLWATE | STILLWATER, OK | RCB Bank |
| $150,000–350,000 | STILLWATER WINGS LLC | Oklahoma City, OK | RCB Bank |
| $150,000–350,000 | STILLWATER WINGS, LLC | STILLWATER, OK | RCB Bank |
| $350,000–1 million | STRONG RIVER MANAGEMENT LLC | TULSA, OK | RCB Bank |
| $150,000–350,000 | SUBCON INCORPORATED | TULSA, OK | RCB Bank |
| $350,000–1 million | SUMMIT SURGICAL, L.L.C. | HUTCHINSON, KS | RCB Bank |
| $150,000–350,000 | SUMO INC | WICHITA, KS | RCB Bank |
| $150,000–350,000 | SUMO INC. | Wichita, KS | RCB Bank |
| $350,000–1 million | SUN VALLEY, INC. | HUTCHINSON, KS | RCB Bank |
| $350,000–1 million | SUPPORTED COMMUNITY LIFESTYLES PERSONNEL- ENID, INC. | PONCA CITY, OK | RCB Bank |
| $350,000–1 million | SUPPORTED COMMUNITY LIFESTYLES PERSONNEL- STILLWATER, INC. | PONCA CITY, OK | RCB Bank |
| $350,000–1 million | SUPPORTED COMMUNITY LIFESTYLES, INC. | PONCA CITY, OK | RCB Bank |
| $150,000–350,000 | SWADLEY'S CATERING LLC | Oklahoma City, OK | RCB Bank |
| $1–2 million | SWADLEY'S SMOKED MEATS INC. | OKLAHOMA CITY, OK | RCB Bank |
| $350,000–1 million | SWAGGIN WAGON INC. | Tulsa, OK | RCB Bank |
| $150,000–350,000 | TACK DESIGNS LLC | Pryor, OK | RCB Bank |
| $150,000–350,000 | TACK DESIGNS LLC | PRYOR, OK | RCB Bank |
| $1–2 million | TEAM EMPLOYMENT LLC | HUTCHINSON, KS | RCB Bank |
| $150,000–350,000 | THE DAILY LIVING CENTERS, INC. | BETHANY, OK | RCB Bank |
| $150,000–350,000 | THE LOVE STATION | PONCA CITY, OK | RCB Bank |
| $150,000–350,000 | THE METAL STORE, LLC | EDMOND, OK | RCB Bank |
| $1–2 million | THE SOUTHWESTERN COLLEGE | WINFIELD, KS | RCB Bank |
| $1–2 million | THERMAL SPECIALTIES LLC | Tulsa, OK | RCB Bank |