| $150,000–350,000 | MICHIGAN UROLOGICAL, P.C. | GRAND RAPIDS, MI | TCF National Bank |
| $1–2 million | MICHIGAN WHEEL OPERATIONS, LLC | GRAND RAPIDS, MI | Macatawa Bank |
| $350,000–1 million | MICO INDUSTRIES, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | MICRON MFG. COMPANY | GRAND RAPIDS, MI | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | MICROVISIONS INC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | MID TOWNE HOSPITALITY LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | MIDDLETON PRINTING AND LABELS INC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | MIDTOWN VENTURES GR LLC | GRAND RAPIDS, MI | Union Bank |
| $350,000–1 million | MIDWAY MOTORHOMES, INC. | GRAND RAPIDS, MI | Macatawa Bank |
| $350,000–1 million | MIDWEST GEODRILL, LLC | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | MIDWEST INSTITUTE OF HEALTH PLLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | MIDWEST PLATING COMPANY | GRAND RAPIDS, MI | Grand River Bank |
| $150,000–350,000 | MIDWEST SAFETY PRODUCTS, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | MIEN COMPANY | GRAND RAPIDS, MI | Comerica Bank |
| $150,000–350,000 | MIERAS FAMILY SHOES, INC. | GRAND RAPIDS, MI | JPMorgan Chase Bank, National Association |
| $350,000–1 million | MIKA, MEYERS, BECKETT & JONES, PLC | GRAND RAPIDS, MI | Macatawa Bank |
| $150,000–350,000 | MIKE & JOHNNY BRANN'S STEAK & SEAFOOD, INC. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | MILLENNIA TELECOM, LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | MILLER CONSULTATIONS & ELECTIONS, INC. | GRAND RAPIDS, MI | Fifth Third Bank |
| $350,000–1 million | MILLER DENTAL PRACTICE PLLC | GRAND RAPIDS, MI | KeyBank National Association |
| $350,000–1 million | MILLER WELDING SUPPLY COMPANY | GRAND RAPIDS, MI | Macatawa Bank |
| $2–5 million | MILLER, JOHNSON, SNELL & CUMMISKEY, P.L.C. | GRAND RAPIDS, MI | Macatawa Bank |
| $350,000–1 million | MILLWIRE LLC | GRAND RAPIDS, MI | PNC Bank, National Association |
| $150,000–350,000 | MINNEMA TUFF-COVER, INCORPORATED | GRAND RAPIDS, MI | Macatawa Bank |
| $150,000–350,000 | MISSION MANAGEMENT SERVICES, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | MISSION POINT OF FOREST HILLS, LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $350,000–1 million | MISTER-E-LIQUID LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | MIXEDMI, LLC | GRAND RAPIDS, MI | West Michigan Community Bank |
| $150,000–350,000 | MKB HOLDINGS LLC | GRAND RAPIDS, MI | Fifth Third Bank |
| $150,000–350,000 | MKL AND ASSOCIATES, INC. | GRAND RAPIDS, MI | Fifth Third Bank |
| $2–5 million | MM SERVICES II, LLC | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | MNST, LLC | GRAND RAPIDS, MI | Horizon Bank |
| $150,000–350,000 | MOD FUEL LLC | GRAND RAPIDS, MI | Bank of America, National Association |
| $150,000–350,000 | MOD SIGNS, INC | GRAND RAPIDS, MI | First National Bank of Michigan |
| $350,000–1 million | MODEL COVERALL SERVICE, INC. | GRAND RAPIDS, MI | Fifth Third Bank |
| $350,000–1 million | MODEL DIE & MOLD, INC. | GRAND RAPIDS, MI | Macatawa Bank |
| $150,000–350,000 | MODERN HARDWARE | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $2–5 million | MODULAR TRANSPORTATION CO. | GRAND RAPIDS, MI | Macatawa Bank |
| $350,000–1 million | MOL BELTING SYSTEMS, INC. | GRAND RAPIDS, MI | Comerica Bank |
| $150,000–350,000 | MONDER INC | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | MONROE, SWEERIS & TROMP, P.L.C. | GRAND RAPIDS, MI | Lake Michigan CU |
| $1–2 million | MONSMA MARKETING CORPORATION | GRAND RAPIDS, MI | JPMorgan Chase Bank, National Association |
| $1–2 million | MONTAGE, INC. | GRAND RAPIDS, MI | Consumers CU |
| $150,000–350,000 | MONTESSORI SOCIETY OF GREATER GRAND RAPIDS, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | MOORE & BRUGGINK INC. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $5–10 million | MORRISON INDUSTRIES, INC. | GRAND RAPIDS, MI | JPMorgan Chase Bank, National Association |
| $350,000–1 million | MOSS AUDIO CORPORATION | GRAND RAPIDS, MI | Independent Bank |
| $350,000–1 million | MOUNTAIN & CO., LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | MR. BURGER RESTAURANT INC. | GRAND RAPIDS, MI | Fifth Third Bank |
| $150,000–350,000 | MSW 2, INC. | GRAND RAPIDS, MI | Comerica Bank |
| $150,000–350,000 | MTI RETREADING CO. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | MULLER BEN M REALTY CO INC | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | MULTI SERVE, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | MYLLE EDUCATION LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $1–2 million | N-K MANUFACTURING TECHNOLOGIES, LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | NANTUCKET BAKING COMPANY, LLC | GRAND RAPIDS, MI | United Bank of Michigan |
| $150,000–350,000 | NATIONAL TIRE DISTRIBUTORS LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | NATURASHIELD - MICHIGAN, LLC | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | ND&L, LLC | GRAND RAPIDS, MI | Macatawa Bank |
| $1–2 million | NEAL MAST AND SON, INC. | GRAND RAPIDS, MI | Macatawa Bank |
| $2–5 million | NEDERVELD, INC. | GRAND RAPIDS, MI | Comerica Bank |
| $150,000–350,000 | NEL FINANCIAL | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | NEMIC INDUSTRIAL SUPPLY COMPANY | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | NETWORK FIRE & SECURITY LLC | GRAND RAPIDS, MI | JPMorgan Chase Bank, National Association |
| $350,000–1 million | NEW 9, INC. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | NEW CENTURY GOLF CARS LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | NEW COMMUNITY OF WEST MICHIGAN | GRAND RAPIDS, MI | Macatawa Bank |
| $150,000–350,000 | NEW PASSION HOME CARE LLC | GRAND RAPIDS, MI | PNC Bank, National Association |
| $350,000–1 million | NEWCO DESIGN BUILD, LLC | GRAND RAPIDS, MI | Lake Michigan CU |
| $150,000–350,000 | NICHOLAS RITZEMA DDS PC | GRAND RAPIDS, MI | Live Oak Banking Company |
| $350,000–1 million | NORDIC PRODUCTS INC. | GRAND RAPIDS, MI | Macatawa Bank |
| $1–2 million | NORTHERN JET MANAGEMENT, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | NORTHGATE PROPERTY SERVICES, LLC | GRAND RAPIDS, MI | Citizens Community Federal National Association |
| $1–2 million | NORTHGATE RESORTS HR, LLC | GRAND RAPIDS, MI | Citizens Community Federal National Association |
| $1–2 million | NORTHPOINTE CHRISTIAN SCHOOL | GRAND RAPIDS, MI | TCF National Bank |
| $2–5 million | NOTIONS MARKETING CORPORATION | GRAND RAPIDS, MI | Fifth Third Bank |
| $150,000–350,000 | NPBC DETROIT, LLC | GRAND RAPIDS, MI | Old National Bank |
| $350,000–1 million | NPBC, INC. | GRAND RAPIDS, MI | Independent Bank |
| $1–2 million | NXGEN MDX LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | NYE UNIFORM COMPANY | GRAND RAPIDS, MI | Grand River Bank |
| $150,000–350,000 | O'BRIEN & O'BRIEN DDS PC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | OFFICE OUTLET INC | GRAND RAPIDS, MI | Bank of America, National Association |
| $150,000–350,000 | OFTA I, LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | OFTA II, LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $1–2 million | OFTA LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | OHIO MEDICAL TRANSPORT, LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | OKTOBER LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | OLD SCHOOL RESTAURANT ON MAIN, LLC | GRAND RAPIDS, MI | Level One Bank |
| $350,000–1 million | OMELETTE PARTNERS, INC. | GRAND RAPIDS, MI | Fifth Third Bank |
| $350,000–1 million | ONE BEER AT A TIME, LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | ONE REALTY, LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $1–2 million | ONIT TRANSPORTATION INC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | ONSITE WELLNESS, LLC | GRAND RAPIDS, MI | United Bank of Michigan |
| $5–10 million | OPEN SYSTEMS TECHNOLOGIES DE, LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $350,000–1 million | ORAL & MAXILLOFACIAL SURGERY ASSOCIATES OF WESTERN MICHIGAN PLC | GRAND RAPIDS, MI | Fifth Third Bank |
| $350,000–1 million | ORAL SURGERY ASSOCIATES, P.C. | GRAND RAPIDS, MI | Fifth Third Bank |
| $150,000–350,000 | ORCHARD HILL REFORMED CHURCH | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | ORION LL CONSTRUCTION, INC. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $5–10 million | ORTHOPAEDIC ASSOCIATES OF GRAND RAPIDS, P.C. | GRAND RAPIDS, MI | Old National Bank |
| $5–10 million | OTTERBASE, INC. | GRAND RAPIDS, MI | JPMorgan Chase Bank, National Association |