| $350,000–1 million | LASERCUTTING SERVICES, INC. | KENTWOOD, MI | TCF National Bank |
| $150,000–350,000 | LAST CHANCE WRECKER & SALES IN | INDIANAPOLIS, IN | TCF National Bank |
| $150,000–350,000 | LASTAYO & PADILLA CONSTRUCTIONS COMPANY INC | MIAMI, FL | TCF National Bank |
| $2–5 million | LATCHA AND ASSOCIATES, L.L.C. | FARMINGTON HILLS, MI | TCF National Bank |
| $150,000–350,000 | LATIGO LEARNING LLC | BUDA, TX | TCF National Bank |
| $350,000–1 million | LDM, LLC | DETROIT, MI | TCF National Bank |
| $150,000–350,000 | LEADER TOOL | HARBOR BEACH, MI | TCF National Bank |
| $350,000–1 million | LEADERS, INC. | KALAMAZOO, MI | TCF National Bank |
| $1–2 million | LEASING ASSOCIATES, INC. | HOUSTON, TX | TCF National Bank |
| $350,000–1 million | LEEDY MFG CO LLC | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | LEELANAU CONSERVANCY | LELAND, MI | TCF National Bank |
| $350,000–1 million | LEELANAU INDUSTRIES, INC. | TRAVERSE CITY, MI | TCF National Bank |
| $150,000–350,000 | LEELANAU PHYSICAL THERAPY P.C. | TRAVERSE CITY, MI | TCF National Bank |
| $150,000–350,000 | LEELANAU VACATION RENTALS, LLC | GLEN ARBOR, MI | TCF National Bank |
| $150,000–350,000 | LEGACIES ASSISTED LIVING | CALEDONIA, MI | TCF National Bank |
| $350,000–1 million | LEGACY CENTER, LLC | BRIGHTON, MI | TCF National Bank |
| $150,000–350,000 | LEGACY CHAPELS, L.L.C. | HAMBURG, MI | TCF National Bank |
| $150,000–350,000 | LEGACY CHRISTIAN SCHOOL | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | LEGACY DENTAL GROUP | BIRMINGHAM, MI | TCF National Bank |
| $150,000–350,000 | LEGACY PARTNERS II, LLC | LIVONIA, MI | TCF National Bank |
| $350,000–1 million | LEGACY STEEL LLC | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | LEIDENHEIMER DENTAL GROUP INC | ELYRIA, OH | TCF National Bank |
| $150,000–350,000 | LEIF K. ANDERSON PLC | CLARKSTON, MI | TCF National Bank |
| $350,000–1 million | LEITZ FARMS LLC | SODUS, MI | TCF National Bank |
| $150,000–350,000 | LEMAN ENTERPRISES, INC. | INTERLOCHEN, MI | TCF National Bank |
| $350,000–1 million | LEONARDO'S PRODUCE, LLC | DETROIT, MI | TCF National Bank |
| $350,000–1 million | LEPPINKS LAKEVIEW INC. | LAKEVIEW, MI | TCF National Bank |
| $350,000–1 million | LETHERER TRUSS, INC. | CLARE, MI | TCF National Bank |
| $150,000–350,000 | LETTINGA BUSINESS SERVICES LLC | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | LEVAN VETERINARY ASSOCIATES P.C. | LIVONIA, MI | TCF National Bank |
| $350,000–1 million | LEVEL ONE HVAC SERVICES, INC. | NEW HUDSON, MI | TCF National Bank |
| $2–5 million | LEVERING MANAGEMENT, INC. | MOUNT VERNON, OH | TCF National Bank |
| $350,000–1 million | LEWIS & MUNDAY, P.C. | DETROIT, MI | TCF National Bank |
| $350,000–1 million | LEWIS & DICKSTEIN, PLLC | SOUTHFIELD, MI | TCF National Bank |
| $150,000–350,000 | LIBERTY LIVING INC | BAY CITY, MI | TCF National Bank |
| $1–2 million | LIBERTY MAINTENANCE, INC. | YOUNGSTOWN, OH | TCF National Bank |
| $350,000–1 million | LIFE HEALTH SERVICES LLC | MINNEAPOLIS, MN | TCF National Bank |
| $150,000–350,000 | LIGGETT COMMUNICATIONS LLC | PORT HURON, MI | TCF National Bank |
| $350,000–1 million | LINDHOUT ASSOCIATES ARCHITECTS AIA PC | BRIGHTON, MI | TCF National Bank |
| $350,000–1 million | LIVING WAY INDUSTRIES, INC. CALIFORNIA GRAPHIC SYSTEMS | SANTA CLARITA, CA | TCF National Bank |
| $150,000–350,000 | LIVONIA DIAGNOSTIC SERVICES INC. | SOUTHFIELD, MI | TCF National Bank |
| $150,000–350,000 | LL BUSEN CONSULTING | CARLETON, MI | TCF National Bank |
| $150,000–350,000 | LOCER, INC | DENVER, CO | TCF National Bank |
| $150,000–350,000 | LOCHENVEST LLC | WILLIAMSBURG, MI | TCF National Bank |
| $350,000–1 million | LOCKSTEP NETWORK, INC. | SEATTLE, WA | TCF National Bank |
| $150,000–350,000 | LOGEMAN, IAFRATE & LOGEMAN, P.C. | ANN ARBOR, MI | TCF National Bank |
| $150,000–350,000 | LOGICDATA NORTH AMERICA | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | LOMBARDO MANAGEMENT, INC. | SHELBY TOWNSHIP, MI | TCF National Bank |
| $350,000–1 million | LONDE MOTORS, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | LONE TREE MORTGAGE SERVICES, LLC | CENTENNIAL, CO | TCF National Bank |
| $350,000–1 million | LONERO ENGINEERING CO., INC. | TROY, MI | TCF National Bank |
| $150,000–350,000 | LOOPE ENTERPRISES, INC. | SOUTH HAVEN, MI | TCF National Bank |
| $350,000–1 million | LOREVAS | PEORIA, ILLINOIS, IL | TCF National Bank |
| $150,000–350,000 | LOSS PREVENTION ASSOCIATES INC. | GRAND BLANC, MI | TCF National Bank |
| $350,000–1 million | LOYOLA HIGH SCHOOL | DETROIT, MI | TCF National Bank |
| $150,000–350,000 | LTM AUTO TRUCK & TRAILER REPAIR INC | PONTIAC, MI | TCF National Bank |
| $150,000–350,000 | LUIS A. PEREZ DDS, MS, PC | FLINT, MI | TCF National Bank |
| $150,000–350,000 | LUKE'S SUPER MARKET, INC | SEBEWAING, MI | TCF National Bank |
| $5–10 million | LUMBERMEN'S INC. | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | LUSK ALBERTSON, PLC | DETROIT, MI | TCF National Bank |
| $150,000–350,000 | LWH ENTERPRISES, INC. | MIDLAND, MI | TCF National Bank |
| $350,000–1 million | LWHS, LTD. | GRAND RAPIDS, MI | TCF National Bank |
| $5–10 million | M & K EMPLOYEE SERVICES, INC. | BYRON CENTER, MI | TCF National Bank |
| $150,000–350,000 | M AND W TIRE, INC. | BENTON HARBOR, MI | TCF National Bank |
| $150,000–350,000 | M K & ASSOCIATES, INC. | GRAND RAPIDS, MI | TCF National Bank |
| $350,000–1 million | M-R PRODUCTS, INC. | COPEMISH, MI | TCF National Bank |
| $150,000–350,000 | M.D. HUBBARD SPRING COMPANY | OXFORD, MI | TCF National Bank |
| $350,000–1 million | M.P.A. GROUP NFP LTD. | BAY CITY, MI | TCF National Bank |
| $350,000–1 million | M/C POWER INC | ROSCOMMON, MI | TCF National Bank |
| $150,000–350,000 | MACATAWA FAMILY MEDICINE P.C. | HOLLAND, MI | TCF National Bank |
| $350,000–1 million | MACE SECURITY INTERNATIONAL | CLEVELAND, OH | TCF National Bank |
| $150,000–350,000 | MACK AVENUE RECORDS II, LLC | HARPER WOODS, MI | TCF National Bank |
| $1–2 million | MACKINAC ISLAND CARRIAGE TOURS INC | MACKINAC ISLAND, MI | TCF National Bank |
| $150,000–350,000 | MACKLE ENTERPRISES LLC | HOWELL, MI | TCF National Bank |
| $150,000–350,000 | MACOMB ANESTHESIA PC | GROSSE POINTE, MI | TCF National Bank |
| $150,000–350,000 | MAELSTROM CHEMICAL TECHNOLOGIES, LLC | SHELBY TOWNSHIP, MI | TCF National Bank |
| $150,000–350,000 | MAGNA CHEK, INC | MADISON HEIGHTS, MI | TCF National Bank |
| $150,000–350,000 | MAGNET RESTAURANT LLC | DETROIT, MI | TCF National Bank |
| $150,000–350,000 | MAGNUM CONSULTING | NOVI, MI | TCF National Bank |
| $150,000–350,000 | MAGNUM EQUIPMENT LLC | HUDSONVILLE, MI | TCF National Bank |
| $350,000–1 million | MAGNUM PLUMBING INCORPORATED | WAYLAND, MI | TCF National Bank |
| $2–5 million | MAIL COMMUNICATIONS GROUP | URBANDALE, IA | TCF National Bank |
| $150,000–350,000 | MAIN BEVERAGE CO | OWOSSO, MI | TCF National Bank |
| $150,000–350,000 | MAIN STREET 7416 LLC | MACKINAC ISLAND, MI | TCF National Bank |
| $350,000–1 million | MAIN STREET WAREHOUSING | WAYLAND, MI | TCF National Bank |
| $1–2 million | MAINSTREAM, LLC | ROCHESTER, NY | TCF National Bank |
| $150,000–350,000 | MAINSTREET RESTORATIONS & REMODELING, INC. | BIRMINGHAM, MI | TCF National Bank |
| $350,000–1 million | MAINTENANCE RESOURCE INC. | GRANDVILLE, MI | TCF National Bank |
| $350,000–1 million | MAIZE INC | DEARBORN, MI | TCF National Bank |
| $150,000–350,000 | MAK MANAGED SERVICES, LLC | WAYLAND, MI | TCF National Bank |
| $150,000–350,000 | MALAGA, INC | OAK PARK, IL | TCF National Bank |
| $150,000–350,000 | MALLARD CREEK GOLF CLUB, INC. | COLUMBIA STATION, OH | TCF National Bank |
| $350,000–1 million | MANAGED ASSET PORTFOLIOS, LLC | ROCHESTER, MI | TCF National Bank |
| $350,000–1 million | MANAGED PROGRAMS, LLC | AUBURN HILLS, MI | TCF National Bank |
| $150,000–350,000 | MANCINI SCHREUDER KLINE P.C. | WARREN, MI | TCF National Bank |
| $350,000–1 million | MANIC CONTRACTING INC | CLINTON TWP, MI | TCF National Bank |
| $150,000–350,000 | MANN CONSTRUCTION INC | HARRISON, MI | TCF National Bank |
| $150,000–350,000 | MANSION STREET WOMEN'S HEALTH, PLLC | MARSHALL, MI | TCF National Bank |
| $150,000–350,000 | MARANATHA BIBLE AND MISSIONARY CONFERENCE | MUSKEGON, MI | TCF National Bank |
| $150,000–350,000 | MARBACH & BRADY LAND SURVEYING INC | ELKHART, IN | TCF National Bank |