| $150,000–350,000 | MARIAN ZINNANTE MD, PA | MANSFIELD, TX | Pinnacle Bank |
| $150,000–350,000 | MARIO INDUSTRIES OF VIRGINIA, INC. | ROANOKE, VA | Pinnacle Bank |
| $150,000–350,000 | MARK R. FINKLER, D.V.M., P.C. | ROANOKE, VA | Pinnacle Bank |
| $150,000–350,000 | MARK R. KAPPERMAN OD PC | Chattanooga, TN | Pinnacle Bank |
| $150,000–350,000 | MARK S. DILL, DDS, PC | APISON, TN | Pinnacle Bank |
| $150,000–350,000 | MARK T. SUMWALT P.A. | Charlotte, NC | Pinnacle Bank |
| $150,000–350,000 | MARK T. SUMWALT, P.A. | CHARLOTTE, NC | Pinnacle Bank |
| $150,000–350,000 | MARKET STREET PARTNERS, PLLC | CHATTANOOGA, TN | Pinnacle Bank |
| $150,000–350,000 | MARKHAM LANDSCAPE PRODUCTS, INC. | DAVIDSON, NC | Pinnacle Bank |
| $150,000–350,000 | MARKMAN'S DIAMOND BROKERS, INC. | KNOXVILLE, TN | Pinnacle Bank |
| $1–2 million | MARSHAL MIZE FORD, INC. | HIXSON, TN | Pinnacle Bank |
| $350,000–1 million | MARSHALL CONSTRUCTION, LLC | MURFREESBORO, TN | Pinnacle Bank |
| $1–2 million | MARSHALL ENGINES INC | KEARNEY, NE | Pinnacle Bank |
| $350,000–1 million | MARSHALL'S MARINE, INC. | LAKE CITY, SC | Pinnacle Bank |
| $2–5 million | MARTHA O'BRYAN CENTER, INC. | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | MARTIN & RUSH MACHINING INC. | Trinity, NC | Pinnacle Bank |
| $150,000–350,000 | MARTIN & RUSH MACHINING, INC. | TRINITY, NC | Pinnacle Bank |
| $150,000–350,000 | MARTIN DENTAL GROUP LLC | Kingsport, TN | Pinnacle Bank |
| $150,000–350,000 | MARTIN DENTAL GROUP, LLC | KINGSPORT, TN | Pinnacle Bank |
| $350,000–1 million | MARTIN DENTISTRY P.C. | Kingsport, TN | Pinnacle Bank |
| $350,000–1 million | MARTIN DENTISTRY, P.C. | KINGSPORT, TN | Pinnacle Bank |
| $150,000–350,000 | MARTIN HELLER POTEMPA & SHEPPARD PLLC | Nashville, TN | Pinnacle Bank |
| $350,000–1 million | MARTIN-BOYD CHRISTIAN HOME, INC. | CHATTANOOGA, TN | Pinnacle Bank |
| $350,000–1 million | MARTINSBURG OPERATIONS, LLC | ROANOKE, VA | Pinnacle Bank |
| $2–5 million | MARYVILLE COLLEGE | MARYVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | MASILKO | Bennet, NE | Pinnacle Bank |
| $150,000–350,000 | MASONRY MANAGEMENT INC. | Lexington, NC | Pinnacle Bank |
| $150,000–350,000 | MASONRY MANAGEMENT, INC. | LEXINGTON, NC | Pinnacle Bank |
| $150,000–350,000 | MASONRY UNLIMITED, LLC | KEARNEY, NE | Pinnacle Bank |
| $150,000–350,000 | MASRI BROTHERS INC. | Arlington, TX | Pinnacle Bank |
| $150,000–350,000 | MASSMAN NELSON REINIG, P.C. | OMAHA, NE | Pinnacle Bank |
| $150,000–350,000 | MASTER CHANG'S TIGER DEN MARTIAL ARTS AND BALLET INC. | Raleigh, NC | Pinnacle Bank |
| $150,000–350,000 | MASTER CHANG'S TIGER DEN MARTIAL ARTS AND BALLET, INC. | RALEIGH, NC | Pinnacle Bank |
| $1–2 million | MASTER SERVICE COMPANIES, LLC. | KNOXVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | MASTERCARE OF SC | Easley, SC | Pinnacle Bank |
| $150,000–350,000 | MASTERCARE OF SOUTH CAROLINA, LLC | EASLEY, SC | Pinnacle Bank |
| $150,000–350,000 | MASTERCRAFT DENTAL COMPANY OF TEXAS | MIDLOTHIAN, TX | Pinnacle Bank |
| $150,000–350,000 | MAT-CO BUSINESS FORMS INC | Nashville, TN | Pinnacle Bank |
| $150,000–350,000 | MATCHLESS LIMOUSINE INC. | Nashville, TN | Pinnacle Bank |
| $150,000–350,000 | MATCHLESS LIMOUSINE, INC. | NASHVILLE, TN | Pinnacle Bank |
| $2–5 million | MATCO ELECTRIC CO. | VESTAL, NY | Pinnacle Bank |
| $350,000–1 million | MATEO TAPAS L.L.C. | DURHAM, NC | Pinnacle Bank |
| $350,000–1 million | MATEO TAPAS L.L.C. | DURHAM, NC | Pinnacle Bank |
| $150,000–350,000 | MATERIALS AND CHEMISTRY LABORATORY, INC. | OAK RIDGE, TN | Pinnacle Bank |
| $150,000–350,000 | MATHEWS PARTNERS, LLC | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | MATTHEW JAMISON D.D.S. P.A. | Charlotte, NC | Pinnacle Bank |
| $150,000–350,000 | MATTHEW JAMISON, D.D.S., P.A. | CHARLOTTE, NC | Pinnacle Bank |
| $150,000–350,000 | MATTHEW T. NORMAN, D.D.S., P.A. | GREENSBORO, NC | Pinnacle Bank |
| $350,000–1 million | MATTHEWS SPECIALTY VEHICLES, INC. | GREENSBORO, NC | Pinnacle Bank |
| $150,000–350,000 | MATTRESS GALLERY DIRECT, LLC | MURFREESBORO, TN | Pinnacle Bank |
| $150,000–350,000 | MAURIZIO'S FINE TASTE OF ITALIAN CUISINE | Morgan Hill, CA | Pinnacle Bank |
| $150,000–350,000 | MAX MECHANICAL | ARLINGTON, TX | Pinnacle Bank |
| $350,000–1 million | MAX TRANS LOGISTICS OF CHATTANOOGA | CHATTANOOGA, TN | Pinnacle Bank |
| $1–2 million | MAXWELL ROOFING & SHEET METAL INC. | Nashville, TN | Pinnacle Bank |
| $1–2 million | MAXWELL ROOFING & SHEET METAL, INC. | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | MAYAN BEACH CORPORATION | Fort Worth, TX | Pinnacle Bank |
| $150,000–350,000 | MAYBANK DINING GROUP, LLC | Mt Pleasant, SC | Pinnacle Bank |
| $150,000–350,000 | MAYBANK DINING GROUP, LLC | MT PLEASANT, SC | Pinnacle Bank |
| $150,000–350,000 | MAYCREATE, LLC | CHATTANOOGA, TN | Pinnacle Bank |
| $150,000–350,000 | MAYER & NEWTON | Knoxville, TN | Pinnacle Bank |
| $150,000–350,000 | MAYER & NEWTON | KNOXVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | MB CONCRETE CONSTRUCTION INC | Dallas, TX | Pinnacle Bank |
| $350,000–1 million | MC ENTERPRISES, LLC | LENOIR CITY, TN | Pinnacle Bank |
| $150,000–350,000 | MCADAMS AND MCADAMS INC. | Archdale, NC | Pinnacle Bank |
| $150,000–350,000 | MCADAMS AND MCADAMS, INC. | ARCHDALE, NC | Pinnacle Bank |
| $150,000–350,000 | MCBJSG PEST LLC | MIDLOTHIAN, TX | Pinnacle Bank |
| $350,000–1 million | MCBRIDE-OWENS, INC. | CLEMMONS, NC | Pinnacle Bank |
| $150,000–350,000 | MCBROTHERS, INC. | CLARKESVILLE, GA | Pinnacle Bank |
| $150,000–350,000 | MCCABE PUB INC. | Nashville, TN | Pinnacle Bank |
| $150,000–350,000 | MCCABE PUB, INC. | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | MCCANNON GRANITE CO., INC. | ELBERTON, GA | Pinnacle Bank |
| $350,000–1 million | MCCOOK CLINIC, P.C. | MC COOK, NE | Pinnacle Bank |
| $350,000–1 million | MCCRACKEN AUTOMOTIVE LLC | UNADILLA, GA | Pinnacle Bank |
| $350,000–1 million | MCCULLEY ENTERPRISES INC. | Nashville, TN | Pinnacle Bank |
| $350,000–1 million | MCCULLEY ENTERPRISES, INC. | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | MCCULLOUGH CLEARING LLP. | Elberton, GA | Pinnacle Bank |
| $150,000–350,000 | MCCULLOUGH ELECTRIC CO. LLC | Nashville, TN | Pinnacle Bank |
| $150,000–350,000 | MCCULLOUGH ELECTRIC CO., LLC | NASHVILLE, TN | Pinnacle Bank |
| $350,000–1 million | MCDREAMS ENTERPRISES, INC. | CLARKESVILLE, GA | Pinnacle Bank |
| $350,000–1 million | MCDUFFY ENTERPRISES L.L.C. | Shreveport, LA | Pinnacle Bank |
| $150,000–350,000 | MCDUFFY ENTERPRISES, L.L.C. | SHREVEPORT, LA | Pinnacle Bank |
| $1–2 million | MCELVEEN BUICK-GMC, INC. | SUMMERVILLE, SC | Pinnacle Bank |
| $150,000–350,000 | MCGEHEE CLINIC FOR ANIMALS PC | MEMPHIS, TN | Pinnacle Bank |
| $350,000–1 million | MCGEHEE ENGINEERING CORP. | JASPER, AL | Pinnacle Bank |
| $350,000–1 million | MCKAMEY-GATES II, LLC | RICHMOND, KY | Pinnacle Bank |
| $350,000–1 million | MCKAMEY-GATES, INC | RICHMOND, KY | Pinnacle Bank |
| $1–2 million | MCKAY BOOKS INCORPORATED | Chattanooga, TN | Pinnacle Bank |
| $1–2 million | MCKAY BOOKS INCORPORATED | CHATTANOOGA, TN | Pinnacle Bank |
| $150,000–350,000 | MCKAY BOOKS NC, LLC | CHATTANOOGA, TN | Pinnacle Bank |
| $150,000–350,000 | MCKEANS FLOOR COVERING & COUNTERTOPS, INC | LA VISTA, NE | Pinnacle Bank |
| $150,000–350,000 | MCKENZIE CONSTRUCTION, LLC | NASHVILLE, TN | Pinnacle Bank |
| $150,000–350,000 | MCKINNEY INSURANCE SERVICES, INC. | ASHEVILLE, NC | Pinnacle Bank |
| $350,000–1 million | MCKUIN PIPELINE INC. | Hollister, CA | Pinnacle Bank |
| $350,000–1 million | MCKUIN PIPELINE INC. | Hollister, CA | Pinnacle Bank |
| $150,000–350,000 | MCLEROY'S ENTERPRISES, INC. | CLARKESVILLE, GA | Pinnacle Bank |
| $350,000–1 million | MCMAHAN LAW FIRM, P.C. | CHATTANOOGA, TN | Pinnacle Bank |
| $150,000–350,000 | MCMURRY & COMPANY, PLLC | KNOXVILLE, TN | Pinnacle Bank |
| $350,000–1 million | MCPEAKE HOTELS INC. | Southern Pines, NC | Pinnacle Bank |
| $350,000–1 million | MCPEAKE HOTELS, INC. | SOUTHERN PINES, NC | Pinnacle Bank |
| $150,000–350,000 | MCPHERSON FAMILY EYE CARE OD PA | Wake Forest, NC | Pinnacle Bank |