| $1–2 million | MIKE S. MCFARLAND, M.D., P.A. | PINE BLUFF, AR | Simmons Bank |
| $350,000–1 million | MILENNIA PRODUCTIONS LLC | WICHITA, KS | Simmons Bank |
| $150,000–350,000 | MILL-TEL, INC. | WICHITA, KS | Simmons Bank |
| $150,000–350,000 | MILLENNIUM RECYCLING, LLP | FORT WORTH, TX | Simmons Bank |
| $150,000–350,000 | MILLER BALES & COMPANY PC | COLUMBIA, MO | Simmons Bank |
| $150,000–350,000 | MINICK MATERIALS COMPANY | OKLAHOMA CITY, OK | Simmons Bank |
| $150,000–350,000 | MITCHELL TRANSPORT, INC | DRESDEN, TN | Simmons Bank |
| $150,000–350,000 | MJ PRODUCTS INC | FENTON, MO | Simmons Bank |
| $350,000–1 million | MKBD 2, LLC | DALLAS, TX | Simmons Bank |
| $150,000–350,000 | MLB LANDSCAPE & STONEWORKS LLC | FORT WORTH, TX | Simmons Bank |
| $150,000–350,000 | MM&P CONCEPTS LLC | SAINT LOUIS, MO | Simmons Bank |
| $350,000–1 million | MMS EQUIPMENT OF DALLAS CENTRAL INC | DALLAS, TX | Simmons Bank |
| $150,000–350,000 | MONFEE MEDICAL CLINIC, P.A. | RUSSELLVILLE, AR | Simmons Bank |
| $150,000–350,000 | MOORE & ROBINSON, INC. | LITTLE ROCK, AR | Simmons Bank |
| $150,000–350,000 | MOORE DENTAL OFFICE PLLC | MARTIN, TN | Simmons Bank |
| $150,000–350,000 | MOSER CONSTRUCTION LLC | BRYANT, AR | Simmons Bank |
| $150,000–350,000 | MOSES, PALMER & HOWELL, L.L.P. | FORT WORTH, TX | Simmons Bank |
| $1–2 million | MPAL REAL ESTATE, LLC | SAINT LOUIS, MO | Simmons Bank |
| $150,000–350,000 | MPOWER INC | STILLWATER, OK | Simmons Bank |
| $150,000–350,000 | MT. CARMEL COMMUNITY AT THE VILLAGE, LLC | HOT SPRINGS VILLAGE, AR | Simmons Bank |
| $1–2 million | MUCHO PIZZA TEXAS, LLC | DALLAS, TX | Simmons Bank |
| $150,000–350,000 | MUNFORD ANIMAL HOSPITAL, LLC | MUNFORD, TN | Simmons Bank |
| $150,000–350,000 | MURPAC OF TENNESSEE, LLC | HUMBOLDT, TN | Simmons Bank |
| $150,000–350,000 | MY VILLAGE PHARMACY LLC | LAKE VILLAGE, AR | Simmons Bank |
| $350,000–1 million | MYCENTRIC HEALTHCARE, LLC | GREENVILLE, TX | Simmons Bank |
| $2–5 million | MYCON GENERAL CONTRACTORS INC | DALLAS, TX | Simmons Bank |
| $150,000–350,000 | MYCON MANAGEMENT, LLC | DALLAS, TX | Simmons Bank |
| $1–2 million | N.E. CONSTRUCTION LLP | LEWISVILLE, TX | Simmons Bank |
| $150,000–350,000 | N.E. MILLWORKS LLC | LEWISVILLE, TX | Simmons Bank |
| $2–5 million | N.E. PROPERTY MANAGEMENT, LLC | LEWISVILLE, TX | Simmons Bank |
| $350,000–1 million | NASHVILLE MUSIC ROW HOTEL OWNER LLC | NASHVILLE, TN | Simmons Bank |
| $150,000–350,000 | NATIONAL ALUMINUM & ALLOY INC | MUENSTER, TX | Simmons Bank |
| $350,000–1 million | NATIONAL CATASTROPHE RESTORATION, INC. | WICHITA, KS | Simmons Bank |
| $2–5 million | NATIONAL MEDICAL BILLING SERVICES, LLC | CHESTERFIELD, MO | Simmons Bank |
| $350,000–1 million | NATIONAL STUDENT SERVICES, INC. | STILLWATER, OK | Simmons Bank |
| $1–2 million | NATIONAL WALLCOVERING, INC. | NORTH LITTLE ROCK, AR | Simmons Bank |
| $150,000–350,000 | NAUSER BEVERAGE COMPANY | COLUMBIA, MO | Simmons Bank |
| $150,000–350,000 | NCRI OF KANSAS CITY, INC. | LENEXA, KS | Simmons Bank |
| $1–2 million | NEA THERAPY PROVIDERS, L.L.C. | JONESBORO, AR | Simmons Bank |
| $150,000–350,000 | NEILL ENTERPRISES, LLC | WICHITA, KS | Simmons Bank |
| $150,000–350,000 | NEMOW INSULATION CO. | STURGEON, MO | Simmons Bank |
| $150,000–350,000 | NEPUTE DC WELLNESS CENTER, PC | SAINT LOUIS, MO | Simmons Bank |
| $150,000–350,000 | NETOMD HOLDINGS, INC. | IRVING, TX | Simmons Bank |
| $350,000–1 million | NETWORK DATA SERVICES, INC. | NORTH LITTLE ROCK, AR | Simmons Bank |
| $150,000–350,000 | NEURO PHYSICAL RECOVERY INC | FORT WORTH, TX | Simmons Bank |
| $150,000–350,000 | NEUROSCIENCE ASSOCIATES, P.A. | NORTH LITTLE ROCK, AR | Simmons Bank |
| $350,000–1 million | NEW CITY FELLOWSHIP OF ST. LOUIS | SAINT LOUIS, MO | Simmons Bank |
| $350,000–1 million | NEWBORN SPECIALISTS OF TULSA, P.C. | TULSA, OK | Simmons Bank |
| $1–2 million | NEWOODS, INC. | LITTLE ROCK, AR | Simmons Bank |
| $150,000–350,000 | NEWS-TIMES PUBLISHING COMPANY | LITTLE ROCK, AR | Simmons Bank |
| $350,000–1 million | NEWTON CHEVROLET BUICK GMC, LLC | SHELBYVILLE, TN | Simmons Bank |
| $150,000–350,000 | NEWTON FORD LLC | SHELBYVILLE, TN | Simmons Bank |
| $1–2 million | NEWTON NISSAN OF GALLATIN, INC. | GALLATIN, TN | Simmons Bank |
| $350,000–1 million | NEWTON NISSAN SOUTH, INC. | SHELBYVILLE, TN | Simmons Bank |
| $150,000–350,000 | NICHE ELECTRONICS TECHNOLOGIES, INC | SHIPPENSBURG, PA | Simmons Bank |
| $150,000–350,000 | NICHOLSON METAL FABRICATORS INC | DALLAS, TX | Simmons Bank |
| $150,000–350,000 | NIGHTWATCH SECURITY & TELEPHONE LLC | SEDALIA, MO | Simmons Bank |
| $150,000–350,000 | NIWA YAKINIKU DEEP ELLUM LLC | DALLAS, TX | Simmons Bank |
| $150,000–350,000 | NORMAN RADIOLOGY SERVICES, INC. | NORMAN, OK | Simmons Bank |
| $150,000–350,000 | NORRIS ANIMAL CLINICS, INC. | MONTICELLO, AR | Simmons Bank |
| $150,000–350,000 | NORTH AMERICAN BUILDINGS INC | WICHITA, KS | Simmons Bank |
| $150,000–350,000 | NORTH DALLAS AQUATICS, LLC | FRISCO, TX | Simmons Bank |
| $350,000–1 million | NORTH LITTLE ROCK FUNERAL HOME INC. | NORTH LITTLE ROCK, AR | Simmons Bank |
| $150,000–350,000 | NORTH OGDEN SENIOR LIVING, LLC | NORTH OGDEN, UT | Simmons Bank |
| $150,000–350,000 | NORTH TEXAS COMPREHENSIVE CARDIOLOGY | SHERMAN, TX | Simmons Bank |
| $1–2 million | NORTH TEXAS INFECTIOUS DISEASES CONSULTANTS PA | DALLAS, TX | Simmons Bank |
| $150,000–350,000 | NORTH TEXAS WINGS, LLC | COLLEYVILLE, TX | Simmons Bank |
| $150,000–350,000 | NORTHSIDE HEATING & COOLING CO. | BENTON, AR | Simmons Bank |
| $150,000–350,000 | NORTHSIDE MEDICAL CLINIC PC | JACKSON, TN | Simmons Bank |
| $1–2 million | NORTHWEST ARKANSAS NEWSPAPERS, LLC | LITTLE ROCK, AR | Simmons Bank |
| $1–2 million | NOTHUM MANUFACTURING CO.,INC. | SPRINGFIELD, MO | Simmons Bank |
| $150,000–350,000 | NOYDEEN SISTERS MEDICAL GROUP AND CLINICS, INC. | CONWAY, AR | Simmons Bank |
| $150,000–350,000 | NWA GROUNDS SERVICES LLC | BENTONVILLE, AR | Simmons Bank |
| $1–2 million | O&M TB, LLC | OKLAHOMA CITY, OK | Simmons Bank |
| $350,000–1 million | O'BRIEN & ASSOCIATES, INC. | DALLAS, TX | Simmons Bank |
| $350,000–1 million | OAK BROOK SCHOOL, INC. | PLANO, TX | Simmons Bank |
| $350,000–1 million | OAK PARK HEALTHCARE LLC | SAINT LOUIS, MO | Simmons Bank |
| $350,000–1 million | OAKSTREET WHOLESALE NURSERY LLC | FAIRVIEW, TX | Simmons Bank |
| $150,000–350,000 | OBSTETRICS & GYNECOLOGY SPECIALISTS, INC. | OKLAHOMA CITY, OK | Simmons Bank |
| $150,000–350,000 | OFFICER MECHANICAL CONTRACTORS, INC. | COLUMBIA, MO | Simmons Bank |
| $150,000–350,000 | OKLAHOMA ABSTRACT AND TITLE COMPANY | STILLWATER, OK | Simmons Bank |
| $150,000–350,000 | OKLAHOMA COMMUNITY HEALTH CENTERS, INC. | OKLAHOMA CITY, OK | Simmons Bank |
| $150,000–350,000 | OKLAHOMA PAIN PHYSICIANS, P.C. | OKLAHOMA CITY, OK | Simmons Bank |
| $150,000–350,000 | OKLAHOMA STATE UNIVERSITY ALUMNI ASSOCIATION | STILLWATER, OK | Simmons Bank |
| $350,000–1 million | OKLAHOMA SURGICAL GROUP PLLC | OKLAHOMA CITY, OK | Simmons Bank |
| $1–2 million | OKLAHOMA TIRE RECYCLERS LLC | BRISTOW, OK | Simmons Bank |
| $150,000–350,000 | OLIVE-HANLEY, INC. | SAINT LOUIS, MO | Simmons Bank |
| $150,000–350,000 | OLYMPUS CONSTRUCTION, INC. | JONESBORO, AR | Simmons Bank |
| $350,000–1 million | ONCORE HEALTHCARE SOLUTIONS, LLC | GRAND PRAIRIE, TX | Simmons Bank |
| $150,000–350,000 | ONE SMILE DENTAL PLLC | BASTROP, TX | Simmons Bank |
| $150,000–350,000 | OPFER COMMUNICATIONS INC | SPRINGFIELD, MO | Simmons Bank |
| $150,000–350,000 | OPHTHALMOLOGY ASSOCIATES OF BENTON, P.L.L.C. | BENTON, AR | Simmons Bank |
| $150,000–350,000 | OPTIMAL PAIN AND WELLNESS PA. | FAYETTEVILLE, AR | Simmons Bank |
| $350,000–1 million | ORAL AND MAXILLOFACIAL ASSOCIATES, LLC | OKLAHOMA CITY, OK | Simmons Bank |
| $150,000–350,000 | OSBORN, CARREIRO & ASSOCIATES, INC. | LITTLE ROCK, AR | Simmons Bank |
| $150,000–350,000 | OSSEUS FUSION SYSTEMS LLC | DALLAS, TX | Simmons Bank |
| $150,000–350,000 | OSU COWBOY DINING, L.L.C. | STILLWATER, OK | Simmons Bank |
| $150,000–350,000 | OSU COWBOY GOLF, LLC | STILLWATER, OK | Simmons Bank |
| $350,000–1 million | OUACHITA REGIONAL ANESTHESIA PLLC | HOT SPRINGS NATIONAL PARK, AR | Simmons Bank |
| $350,000–1 million | OUR LADY OF THE HOLY SOULS CATHOLIC CHURCH | LITTLE ROCK, AR | Simmons Bank |