| $350,000–1 million | LAKELAND PALLETS | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | LAKESHORE ELITE FITNESS, LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | LAKESHORE MOVING, LLC | GRAND RAPIDS, MI | Grand River Bank |
| $1–2 million | LAMBERT & CO. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | LANDON, LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | LASER ACCESS LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | LASER'S RESOURCE, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | LAW OFFICES OF DAVID L. CARRIER, P.C. | GRAND RAPIDS, MI | Old National Bank |
| $150,000–350,000 | LEACH FOOD EQUIPMENT DISTRIBUTORS, LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | LEAD MARKETING AGENCY, INC. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | LEE D. ZUIDEMA, D.D.S., P.C. | GRAND RAPIDS, MI | Grand River Bank |
| $350,000–1 million | LEEDY MFG CO LLC | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | LEGACY CHRISTIAN SCHOOL | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | LEGACY METAL FABRICATING, LLC | GRAND RAPIDS, MI | First Community Bank |
| $350,000–1 million | LEGACY STEEL LLC | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | LEGACY TRUST | GRAND RAPIDS, MI | Sturgis Bank & Trust Company |
| $350,000–1 million | LEGAL COPY SERVICES, INC. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | LEIGH'S OF WESTERN MICHIGAN, INC. | GRAND RAPIDS, MI | Fifth Third Bank |
| $5–10 million | LEISURE LIVING MANAGEMENT, INC. | GRAND RAPIDS, MI | United Bank of Michigan |
| $1–2 million | LEITZ TOOLING SYSTEMS LP | GRAND RAPIDS, MI | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | LEONARD J. BARTOSZEWICZ DDS | GRAND RAPIDS, MI | Old National Bank |
| $150,000–350,000 | LETTINGA BUSINESS SERVICES LLC | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | LETTY CORP | GRAND RAPIDS, MI | PNC Bank, National Association |
| $350,000–1 million | LIBERTY TRANSIT LLC | GRAND RAPIDS, MI | The Huntington National Bank |
| $2–5 million | LIGHTHOUSE INSURANCE GROUP, INC | GRAND RAPIDS, MI | Macatawa Bank |
| $150,000–350,000 | LINC UP NONPROFIT HOUSING CORP | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | LINCOLN NURSERIES, INC. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | LIQUID ASSET PARTNERS LLC | GRAND RAPIDS, MI | Old National Bank |
| $150,000–350,000 | LIVESPACE, LLC | GRAND RAPIDS, MI | Comerica Bank |
| $150,000–350,000 | LIVING STONES ACADEMY | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | LLSH, LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | LODESTAR CONSTRUCTOIN, INC. | GRAND RAPIDS, MI | ChoiceOne Bank |
| $350,000–1 million | LOEKS THEATRES, INC. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | LOF2 GRAND RAPIDS JV TRS, LLC | GRAND RAPIDS, MI | First International Bank & Trust |
| $150,000–350,000 | LOGICAL LOGISTICS | GRAND RAPIDS, MI | ChoiceOne Bank |
| $150,000–350,000 | LOGICDATA NORTH AMERICA | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | LONDE MOTORS, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | LONG ROAD DISTILLERS LLC | GRAND RAPIDS, MI | Grand River Bank |
| $5–10 million | LOWERY CORP | GRAND RAPIDS, MI | PNC Bank, National Association |
| $350,000–1 million | LPIT SOLUTIONS, INC. | GRAND RAPIDS, MI | Macatawa Bank |
| $350,000–1 million | LUCAS CONCRETE CONSTRUCTION | GRAND RAPIDS, MI | Consumers CU |
| $5–10 million | LUMBERMEN'S INC. | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | LUMEN ELECTRIC, INC. | GRAND RAPIDS, MI | United Bank of Michigan |
| $150,000–350,000 | LUNA 64, LLC | GRAND RAPIDS, MI | United Bank of Michigan |
| $350,000–1 million | LWHS, LTD. | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | M K & ASSOCIATES, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $2–5 million | M. C. VAN KAMPEN TRUCKING, INC. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | MAC DENTAL LABORATORY INC | GRAND RAPIDS, MI | The Huntington National Bank |
| $350,000–1 million | MADCAP COFFEE COMPANY | GRAND RAPIDS, MI | Independent Bank |
| $150,000–350,000 | MADISON SQUARE CHRISTIAN REFORMED CHURCH | GRAND RAPIDS, MI | Consumers CU |
| $150,000–350,000 | MAGIC TRANSPORTATION COMPANY, INC. | GRAND RAPIDS, MI | Comerica Bank |
| $350,000–1 million | MAGIC-WRIGHTER, INC. | GRAND RAPIDS, MI | Comerica Bank |
| $5–10 million | MARCECO LTD | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | MARTHA'S VINEYARD, LTD. | GRAND RAPIDS, MI | United Bank of Michigan |
| $350,000–1 million | MARTIN AND HATTIE RASCHE INCORPORATED | GRAND RAPIDS, MI | Lake Michigan CU |
| $150,000–350,000 | MARU GRAND RAPIDS L.L.C. | GRAND RAPIDS, MI | Independent Bank |
| $150,000–350,000 | MASCOTS NO. 710, LLC | GRAND RAPIDS, MI | Macatawa Bank |
| $150,000–350,000 | MASSELINK BROS TRUCKING SERVICE INC | GRAND RAPIDS, MI | JPMorgan Chase Bank, National Association |
| $350,000–1 million | MASTER FINISH CO. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | MATECO DRILLING COMPANY | GRAND RAPIDS, MI | The Huntington National Bank |
| $350,000–1 million | MATERIALS TESTING CONSULTANTS INC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | MATHISON / MATHISON ARCHITECTS LLC | GRAND RAPIDS, MI | Old National Bank |
| $150,000–350,000 | MAYDAY AVIONICS INC | GRAND RAPIDS, MI | Sturgis Bank & Trust Company |
| $350,000–1 million | MCCARTHY GROUP INDUSTRIES, INC. | GRAND RAPIDS, MI | West Michigan Community Bank |
| $150,000–350,000 | MCCARTHY GROUP, INCORPORATED | GRAND RAPIDS, MI | United Bank of Michigan |
| $150,000–350,000 | MCDONALD PIERANGELI MACFARLANE, PLLC | GRAND RAPIDS, MI | Macatawa Bank |
| $350,000–1 million | MCDONALD PLUMBING CO. | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | MCGARRY BAIR P.C. | GRAND RAPIDS, MI | Macatawa Bank |
| $150,000–350,000 | MCGRAW CONSTRUCTION INC. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $350,000–1 million | MCSHANE & BOWIE, PLC | GRAND RAPIDS, MI | Old National Bank |
| $350,000–1 million | MEADOW ROCK DAIRY, L.L.C. | GRAND RAPIDS, MI | Grand River Bank |
| $150,000–350,000 | MECHANICAL RUBBER & TRANSMISSION, INC. | GRAND RAPIDS, MI | Old National Bank |
| $150,000–350,000 | MED MANAGEMENT INC | GRAND RAPIDS, MI | PNC Bank, National Association |
| $2–5 million | MEEKHOF TIRE SALES & SERVICE INC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $1–2 million | MEL TROTTER MINISTRIES | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $150,000–350,000 | MELK & HONEY LLC | GRAND RAPIDS, MI | Lake Michigan CU |
| $150,000–350,000 | MERCHANDISE EQUIPMENT AND SUPPLY, INC. | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $350,000–1 million | MERCURY TRANSPORT INC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | MERL'S TOWING SERVICE, INC. | GRAND RAPIDS, MI | Fifth Third Bank |
| $150,000–350,000 | MERMAID BUSINESS LLC | GRAND RAPIDS, MI | Busey Bank |
| $150,000–350,000 | MERTENS HOSPITALITY, LLC | GRAND RAPIDS, MI | Fifth Third Bank |
| $350,000–1 million | METAL PLUS LLC | GRAND RAPIDS, MI | Mercantile Bank of Michigan |
| $350,000–1 million | METAS, LLC | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | METRO ENGINEERING OF GRAND RAPIDS, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | MEULENBERG PAINTING & DECORATING, INC. | GRAND RAPIDS, MI | Macatawa Bank |
| $350,000–1 million | MEYER MUSIC INC | GRAND RAPIDS, MI | Bank of America, National Association |
| $150,000–350,000 | MH VILLAGE, INC | GRAND RAPIDS, MI | The Huntington National Bank |
| $150,000–350,000 | MIBIZ INC | GRAND RAPIDS, MI | Old National Bank |
| $150,000–350,000 | MICH. CERTIFIED CONCRETE PRODUCTS, INC. | GRAND RAPIDS, MI | JPMorgan Chase Bank, National Association |
| $350,000–1 million | MICHAELS & ASSOCIATES, INC. | GRAND RAPIDS, MI | First State Bank |
| $350,000–1 million | MICHCOR CONTAIN, INC. | GRAND RAPIDS, MI | First National Bank of Michigan |
| $350,000–1 million | MICHIGAN AIR SOLUTIONS LLC | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | MICHIGAN BREWPUBS, INC. | GRAND RAPIDS, MI | Bank of Ann Arbor |
| $1–2 million | MICHIGAN CHRISTIAN HOME | GRAND RAPIDS, MI | BBVA USA |
| $350,000–1 million | MICHIGAN NATURAL STORAGE COMPANY | GRAND RAPIDS, MI | Horizon Bank |
| $2–5 million | MICHIGAN PAIN CONSULTANTS, PC | GRAND RAPIDS, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN PATTERN WORKS, INC. | GRAND RAPIDS, MI | Fifth Third Bank |
| $1–2 million | MICHIGAN REPRODUCTIVE AND IVF CENTER | GRAND RAPIDS, MI | PNC Bank, National Association |
| $150,000–350,000 | MICHIGAN SPORTS ACADEMIES, LLC | GRAND RAPIDS, MI | Macatawa Bank |
| $5–10 million | MICHIGAN TURKEY PRODUCERS, LLC | GRAND RAPIDS, MI | Greenstone Farm Credit Services, ACA |