| $150,000–350,000 | M HANIF PERACHA MD PC | Monroe, MI | First Merchants Bank |
| $150,000–350,000 | M HANIF PERACHA MD PC | MONROE, MI | First Merchants Bank |
| $150,000–350,000 | M&P AND D&A INC | Clarkston, MI | First Merchants Bank |
| $350,000–1 million | M-M MASONRY LLC | COLUMBUS, OH | First Merchants Bank |
| $150,000–350,000 | M.C. EIPPERLE, INC. | Monroe, MI | First Merchants Bank |
| $350,000–1 million | M.E. SIMPSON COMPANY INC. | Valparaiso, IN | First Merchants Bank |
| $350,000–1 million | M.E. SIMPSON COMPANY, INC. | VALPARAISO, IN | First Merchants Bank |
| $150,000–350,000 | M.J. WHITE & SON INC. | Novi, MI | First Merchants Bank |
| $150,000–350,000 | M.J. WHITE & SON, INC. | Novi, MI | First Merchants Bank |
| $1–2 million | M.P. DORY CO. | COLUMBUS, OH | First Merchants Bank |
| $350,000–1 million | MAC-MOLD BASE INC. | Bruce Twp, MI | First Merchants Bank |
| $350,000–1 million | MAC-MOLD BASE, INC. | BRUCE TWP, MI | First Merchants Bank |
| $350,000–1 million | MACDOUGALL PIERCE CONSTRUCTION INC | Fishers, IN | First Merchants Bank |
| $350,000–1 million | MACDOUGALL PIERCE CONSTRUCTION, INC | FISHERS, IN | First Merchants Bank |
| $2–5 million | MACLE, INC. | FISHERS, IN | First Merchants Bank |
| $150,000–350,000 | MACOMB CHILDREN'S DENTISTRY, PLLC | MACOMB, MI | First Merchants Bank |
| $1–2 million | MADISON CONSTRUCTION COMPANY | Orland Park, IL | First Merchants Bank |
| $350,000–1 million | MADISON CONSTRUCTION COMPANY | ORLAND PARK, IL | First Merchants Bank |
| $150,000–350,000 | MADISON COUNTY CABINETS, INC. | Pendleton, IN | First Merchants Bank |
| $350,000–1 million | MAGIC COIL PRODUCTS LLC | Butler, IN | First Merchants Bank |
| $350,000–1 million | MAGIC COIL PRODUCTS, LLC | BUTLER, IN | First Merchants Bank |
| $150,000–350,000 | MAGNOLIA LANDING GOLF LLC | NORTH FORT MYERS, FL | First Merchants Bank |
| $350,000–1 million | MAGNUM EXPRESS INC. | PLAINFIELD, IN | First Merchants Bank |
| $350,000–1 million | MAGNUM LOGISTICS, INC. | PLAINFIELD, IN | First Merchants Bank |
| $350,000–1 million | MAHALAK AUTO GROUP LAKE WALES LLC | LAKE WALES, FL | First Merchants Bank |
| $150,000–350,000 | MAHALAK AUTO GROUP LLC | WINTER HAVEN, FL | First Merchants Bank |
| $350,000–1 million | MAHALAK ENTERPRISES INC. | LAKE WALES, FL | First Merchants Bank |
| $1–2 million | MAHOMED SALES & WAREHOUSING LLC | Indianapolis, IN | First Merchants Bank |
| $1–2 million | MAHOMED SALES & WAREHOUSING LLC | INDIANAPOLIS, IN | First Merchants Bank |
| $150,000–350,000 | MAILING SOLUTIONS, INC. | INDIANAPOLIS, IN | First Merchants Bank |
| $350,000–1 million | MAINSTAY MANUFACTURING SOLUTIONS, INC. | BROWNSBURG, IN | First Merchants Bank |
| $150,000–350,000 | MAINSTREET VENTURES RESTAURANT GROUP | ANN ARBOR, MI | First Merchants Bank |
| $350,000–1 million | MAJESTIC CUSTOM HOMES OF LAFAYETTE, INC. | LAFAYETTE, IN | First Merchants Bank |
| $150,000–350,000 | MAKA SIL & GROUP HOME, INC. | Southfield, MI | First Merchants Bank |
| $350,000–1 million | MAKOWER ABBATE AND ASSOCIATES, PLLC | Farmington Hills, MI | First Merchants Bank |
| $150,000–350,000 | MAMMOTH INC. | Fortville, IN | First Merchants Bank |
| $150,000–350,000 | MAMMOTH, INC. | FORTVILLE, IN | First Merchants Bank |
| $150,000–350,000 | MANAGEMENT RECRUITERS OF ANN ARBOR | ANN ARBOR, MI | First Merchants Bank |
| $150,000–350,000 | MANAGEMENT RECRUITERS OF ANN ARBOR INC. | Ann Arbor, MI | First Merchants Bank |
| $2–5 million | MANLEY DEAS KOCHALKSI LLC | COLUMBUS, OH | First Merchants Bank |
| $1–2 million | MANLEY DEAS KOCHALSKI LLC | Columbus, OH | First Merchants Bank |
| $350,000–1 million | MANOR BROS. CONCRETE WORK INC. | Albany, IN | First Merchants Bank |
| $350,000–1 million | MANOR BROS. CONCRETE WORK, INC. | ALBANY, IN | First Merchants Bank |
| $150,000–350,000 | MAPLE PRESS, LLC | Madison Heights, MI | First Merchants Bank |
| $150,000–350,000 | MARCUM'S WELDING & STEEL PROCESSING INC. | Morristown, IN | First Merchants Bank |
| $150,000–350,000 | MARCUM'S WELDING & STEEL PROCESSING, INC. | MORRISTOWN, IN | First Merchants Bank |
| $150,000–350,000 | MARK III MANAGEMENT CORPORATION | INDIANAPOLIS, IN | First Merchants Bank |
| $150,000–350,000 | MARKET STREET WEALTH MANAGEMENT ADVISORS, LLC | INDIANAPOLIS, IN | First Merchants Bank |
| $150,000–350,000 | MARKLEVILLE LUMBER CO. INC. | MARKLEVILLE, IN | First Merchants Bank |
| $150,000–350,000 | MARQUIS INDUSTRIES INC. | Spring Lake, MI | First Merchants Bank |
| $150,000–350,000 | MARQUIS INDUSTRIES, INC. | Spring Lake, MI | First Merchants Bank |
| $350,000–1 million | MARSH PLATING CORPORATION | YPSILANTI, MI | First Merchants Bank |
| $150,000–350,000 | MARSH PLATING CORPORATION - WILLOW RUN | YPSILANTI, MI | First Merchants Bank |
| $150,000–350,000 | MARTENSON FUNERAL HOME, INC. | TRENTON, MI | First Merchants Bank |
| $150,000–350,000 | MARTIN BINDER JEWELER INC. | Valparaiso, IN | First Merchants Bank |
| $150,000–350,000 | MARTIN BINDER JEWELER, INC | VALPARAISO, IN | First Merchants Bank |
| $350,000–1 million | MARTIN RILEY INC. | FORT WAYNE, IN | First Merchants Bank |
| $350,000–1 million | MARTINSVILLE CORRAL INC. | Martinsville, IN | First Merchants Bank |
| $150,000–350,000 | MARTINSVILLE CORRAL, INC. | MARTINSVILLE, IN | First Merchants Bank |
| $350,000–1 million | MARVEL TECHNOLOGIES, INC. | NOVI, MI | First Merchants Bank |
| $150,000–350,000 | MAS SUPPLY INC. | Pingree Grove, IL | First Merchants Bank |
| $150,000–350,000 | MAS SUPPLY, INC | PINGREE GROVE, IL | First Merchants Bank |
| $150,000–350,000 | MASSERANT'S FEED & GRAIN, INC. | NEWPORT, MI | First Merchants Bank |
| $150,000–350,000 | MASTERS FINANCIAL NETWORK LLC | Dunkirk, IN | First Merchants Bank |
| $350,000–1 million | MASTERS HEATING & COOLING INC | FORT WAYNE, IN | First Merchants Bank |
| $150,000–350,000 | MASTIN AND CAIN PROPERTIES LLC | Shelbyville, IN | First Merchants Bank |
| $150,000–350,000 | MASTIN AND CAIN PROPERTIES LLC | SHELBYVILLE, IN | First Merchants Bank |
| $350,000–1 million | MATERIALS ENGINEERING AND TECHNICAL SUPPORT SERVICES, CORP. | WESTERVILLE, OH | First Merchants Bank |
| $150,000–350,000 | MATICK AUTO WASH, LLC | Redford, MI | First Merchants Bank |
| $350,000–1 million | MATT & RACHEL LLC | Carmel, IN | First Merchants Bank |
| $350,000–1 million | MATT AND RACHEL LLC | CARMEL, IN | First Merchants Bank |
| $150,000–350,000 | MATTHEW 25, INC. | Fort Wayne, IN | First Merchants Bank |
| $350,000–1 million | MAYFAIR INSURANCE AGENCY, INC. | Clarkston, MI | First Merchants Bank |
| $350,000–1 million | MAYFLOWER INVESTMENT GROUP LLC | Fort Wayne, IN | First Merchants Bank |
| $150,000–350,000 | MAYFLOWER INVESTMENT GROUP, LLC | FORT WAYNE, IN | First Merchants Bank |
| $350,000–1 million | MB RAILWAY SERVICES LLC | Porter, IN | First Merchants Bank |
| $350,000–1 million | MB RAILWAY SERVICES, LLC | CHESTERTON, IN | First Merchants Bank |
| $350,000–1 million | MBM FABRICATORS CO., INC. | ROMULUS, MI | First Merchants Bank |
| $150,000–350,000 | MCAFEE ANIMAL HOSPITAL | VALPARAISO, IN | First Merchants Bank |
| $1–2 million | MCCAULEY MECHANICAL CONSTRUCTION INC | BRIDGEVIEW, IL | First Merchants Bank |
| $1–2 million | MCCAULEY MECHANICAL CONSTRUCTION INC. | Bridgeview, IL | First Merchants Bank |
| $150,000–350,000 | MCE INVESTMENTS INC. | INDIANAPOLIS, IN | First Merchants Bank |
| $150,000–350,000 | MCGEE JEWELERS INC. | Greenwood, IN | First Merchants Bank |
| $1–2 million | MCKENZIE FOODS, INC | CARMEL, IN | First Merchants Bank |
| $150,000–350,000 | MCKILLIP SEEDS INCORPORATED | WABASH, IN | First Merchants Bank |
| $150,000–350,000 | MDC CABINETS LLC | NOBLESVILLE, IN | First Merchants Bank |
| $150,000–350,000 | MDC CABINETS LLC | Noblesville, IN | First Merchants Bank |
| $350,000–1 million | MDC CONSTRUCTION LLC | Noblesville, IN | First Merchants Bank |
| $350,000–1 million | MDC CONSTRUCTION, LLC | NOBLESVILLE, IN | First Merchants Bank |
| $150,000–350,000 | MEADOW MONTESSORI SCHOOL | MONROE, MI | First Merchants Bank |
| $150,000–350,000 | MEADOW MONTESSORI SCHOOL | Monroe, MI | First Merchants Bank |
| $350,000–1 million | MEADOWLARK BUILDERS LLC | ANN ARBOR, MI | First Merchants Bank |
| $150,000–350,000 | MEADOWLARK BUILDERS LLC | Ann Arbor, MI | First Merchants Bank |
| $1–2 million | MEANINGFUL DAY SERVICES INC | Brownsburg, IN | First Merchants Bank |
| $350,000–1 million | MEANINGFUL DAY SERVICES, INC. | BROWNSBURG, IN | First Merchants Bank |
| $150,000–350,000 | MEDALLION PARTNERS, INC | Carmel, IN | First Merchants Bank |
| $150,000–350,000 | MEDIA GENESIS INC | Troy, MI | First Merchants Bank |
| $350,000–1 million | MEDIA GENESIS, INC. | TROY, MI | First Merchants Bank |
| $1–2 million | MEDICAL INFORMATICS ENGINEERING, INCORPORATED | FORT WAYNE, IN | First Merchants Bank |
| $350,000–1 million | MENNIN-PINK LTD. | GROVE CITY, OH | First Merchants Bank |