| $350,000–1 million | MAGDICH & ASSOCIATES PC | Livonia, MI | Fifth Third Bank |
| $350,000–1 million | MAGDICH & ASSOCIATES, P.C. | LIVONIA, MI | Fifth Third Bank |
| $350,000–1 million | MAGNANI & ASSOCIATES ADVERTISING, INC. | CHICAGO, IL | Fifth Third Bank |
| $350,000–1 million | MAGNATONE HEARING AID CORPORATION | CASSELBERRY, FL | Fifth Third Bank |
| $350,000–1 million | MAGNATONE HEARING AID CORPORATION | Casselberry, FL | Fifth Third Bank |
| $1–2 million | MAGNI INDUSTRIES, INC. | BIRMINGHAM, MI | Fifth Third Bank |
| $350,000–1 million | MAGNOLIA CAPITAL MANAGEMENT COMPANY INC | CHICAGO, IL | Fifth Third Bank |
| $1–2 million | MAGNUM HOSPITALITY INC. | Williamsburg, MI | Fifth Third Bank |
| $350,000–1 million | MAGNUM HOSPITALITY, INC. | WILLIAMSBURG, MI | Fifth Third Bank |
| $350,000–1 million | MAGNUSON GROUP INC. | Woodridge, IL | Fifth Third Bank |
| $350,000–1 million | MAGNUSON GROUP INC. | WOODRIDGE, IL | Fifth Third Bank |
| $150,000–350,000 | MAHAN & PETE FAMILY DENTISTRY, P.C. | GREENWOOD, IN | Fifth Third Bank |
| $350,000–1 million | MAHANTECH CORPORATION | CHARLESTON, WV | Fifth Third Bank |
| $150,000–350,000 | MAIL IT CORP. OF TOLEDO | TOLEDO, OH | Fifth Third Bank |
| $150,000–350,000 | MAIL IT CORP. OF TOLEDO | Toledo, OH | Fifth Third Bank |
| $350,000–1 million | MAIN LINE SUPPLY CO. INC | DAYTON, OH | Fifth Third Bank |
| $150,000–350,000 | MAINE DENTAL LAB INC. | Mount Prospect, IL | Fifth Third Bank |
| $150,000–350,000 | MAINE DENTAL LAB, INC. | MOUNT PROSPECT, IL | Fifth Third Bank |
| $150,000–350,000 | MAJOR APPLIANCE SERVICE INC. | Lyons, IL | Fifth Third Bank |
| $350,000–1 million | MAJOR APPLIANCE SERVICE, INC. | LYONS, IL | Fifth Third Bank |
| $2–5 million | MAKE CORPORATION | OAK BROOK TERRACE, IL | Fifth Third Bank |
| $150,000–350,000 | MAKO METALS, INC. | OLYMPIA FIELDS, IL | Fifth Third Bank |
| $150,000–350,000 | MAKO RECYCLE, INC. | NASHVILLE, TN | Fifth Third Bank |
| $1–2 million | MALLARD CREEK POLYMERS LLC | CHARLOTTE, NC | Fifth Third Bank |
| $150,000–350,000 | MALY FAMILY ENTERPRISES INC. | Kentwood, MI | Fifth Third Bank |
| $150,000–350,000 | MALY FAMILY ENTERPRISES, INC. | KENTWOOD, MI | Fifth Third Bank |
| $150,000–350,000 | MAMA DISALVO'S RESTAURANT INC | Kettering, OH | Fifth Third Bank |
| $150,000–350,000 | MAMA DISALVO'S RESTAURANT, INC | KETTERING, OH | Fifth Third Bank |
| $150,000–350,000 | MAMA LAROSA FOODS INC | TAYLOR, MI | Fifth Third Bank |
| $350,000–1 million | MANAGEABILITY, INC | NOVI, MI | Fifth Third Bank |
| $150,000–350,000 | MANAGEMENT GROUP RS INC. | Gibsonton, FL | Fifth Third Bank |
| $150,000–350,000 | MANAGEMENT GROUP RS, INC | GIBSONTON, FL | Fifth Third Bank |
| $350,000–1 million | MANAGEMENT RESEARCH SERVICES, INC. | Brookfield, WI | Fifth Third Bank |
| $2–5 million | MANAR, INC | EDINBURGH, IN | Fifth Third Bank |
| $150,000–350,000 | MANDELL MENKES LLC | Chicago, IL | Fifth Third Bank |
| $150,000–350,000 | MANDELL MENKES LLC | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | MANHEAD LLC | Nashville, TN | Fifth Third Bank |
| $150,000–350,000 | MANHEAD LLC | NASHVILLE, TN | Fifth Third Bank |
| $350,000–1 million | MANN. WEITZ & ASSOCIATES L.L.C. | DEERFIELD, IL | Fifth Third Bank |
| $350,000–1 million | MANN. WEITZ & ASSOCIATES L.L.C. | Deerfield, IL | Fifth Third Bank |
| $350,000–1 million | MANNING EQUIPMENT LLC | Louisville, KY | Fifth Third Bank |
| $150,000–350,000 | MANOR ELECTRIC CO. INC. | Chicago, IL | Fifth Third Bank |
| $2–5 million | MANPOWER INCORPORATED OF TOLEDO | TOLEDO, OH | Fifth Third Bank |
| $150,000–350,000 | MANUWEST INC | NORTHBROOK, IL | Fifth Third Bank |
| $350,000–1 million | MAPLE LEAF ESTATES HOMEOWNERS CORPORATION | Port Charlotte, FL | Fifth Third Bank |
| $350,000–1 million | MAPLE MANOR NURSING AND REHAB LLC | ROCHESTER, MN | Fifth Third Bank |
| $150,000–350,000 | MAR VEL TOOL CO INC. | DAYTON, OH | Fifth Third Bank |
| $150,000–350,000 | MAR-RO OPERATING CORP | BROOKLYN, NY | Fifth Third Bank |
| $150,000–350,000 | MARC J. SHUMAN & ASSOCIATES, LTD. | Chicago, IL | Fifth Third Bank |
| $150,000–350,000 | MARC J. SHUMAN & ASSOCIATES, LTD. | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | MARCEL MEDIA LLC | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | MARCH AVIATION, INC. | NAPLES, FL | Fifth Third Bank |
| $350,000–1 million | MARCO ISLAND TILE & MARBLE INC | MARCO ISLAND, FL | Fifth Third Bank |
| $350,000–1 million | MARCO ISLAND TILE & MARBLE INC | Marco Island, FL | Fifth Third Bank |
| $350,000–1 million | MARCO RIVER MARINA, INC. | MARCO ISLAND, FL | Fifth Third Bank |
| $350,000–1 million | MARCO SUPPLY COMPANY INC. | Chicago, IL | Fifth Third Bank |
| $350,000–1 million | MARCO SUPPLY COMPANY, INC. | CHICAGO, IL | Fifth Third Bank |
| $2–5 million | MARIANIST PROVINCE OF THE UNITED STATES | SAINT LOUIS, MO | Fifth Third Bank |
| $2–5 million | MARIANNA INDUSTRIES, INC. | OMAHA, NE | Fifth Third Bank |
| $150,000–350,000 | MARINE JET POWER INC | Blacklick, OH | Fifth Third Bank |
| $150,000–350,000 | MARINE JET POWER, INC. | BLACKLICK, OH | Fifth Third Bank |
| $350,000–1 million | MARION CARE LEASING LLC | Beachwood, OH | Fifth Third Bank |
| $150,000–350,000 | MARIS CONSTRUCTION I LLC | Chicago, IL | Fifth Third Bank |
| $150,000–350,000 | MARIS CONSTRUCTION I LLC | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | MARK A. LUPO, M.D., P.A. | SARASOTA, FL | Fifth Third Bank |
| $150,000–350,000 | MARK A. PIPER, D.M.D., M.D., P.A. | SAINT PETERSBURG, FL | Fifth Third Bank |
| $150,000–350,000 | MARK MCCARTY DBA MARK T MCCARTY CHAPTER 13 TRUSTEE | LITTLE ROCK, AR | Fifth Third Bank |
| $150,000–350,000 | MARK TOOL & DIE COMPANY INC. | COMMERCE TOWNSHIP, MI | Fifth Third Bank |
| $150,000–350,000 | MARK WALKER | COLUMBUS, OH | Fifth Third Bank |
| $350,000–1 million | MARK WOODMAN PLUMBING & HEATING, INC. | SUNFIELD, MI | Fifth Third Bank |
| $150,000–350,000 | MARKESBERY & RICHARDSON CO. A LEGAL PROFESSIONAL ASSOCIATIO | Cincinnati, OH | Fifth Third Bank |
| $150,000–350,000 | MARKESBERY & RICHARDSON CO., A LEGAL PROFESSIONAL ASSOCIATIO | CINCINNATI, OH | Fifth Third Bank |
| $150,000–350,000 | MARKET READY INC | ROUND LAKE PARK, IL | Fifth Third Bank |
| $350,000–1 million | MARKETING & TECHNOLOGY GROUP INC. | CHICAGO, IL | Fifth Third Bank |
| $350,000–1 million | MARKETING & TECHNOLOGY GROUP INC. | Chicago, IL | Fifth Third Bank |
| $150,000–350,000 | MARKETING SOLUTIONS INC. AND DESIGN | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | MARKETING SOLUTIONS INC. AND DESIGN | Chicago, IL | Fifth Third Bank |
| $150,000–350,000 | MARKSMEN CONSTRUCTION SERVICES, INC. | INDIANAPOLIS, IN | Fifth Third Bank |
| $350,000–1 million | MARLIN CONSTRUCTION GROUP, LLC | FORT MYERS, FL | Fifth Third Bank |
| $150,000–350,000 | MARO CARTON, INC. | BELLWOOD, IL | Fifth Third Bank |
| $150,000–350,000 | MAROLF CONSTRUCTION INC. | Mint Hill, NC | Fifth Third Bank |
| $2–5 million | MARQUIS CORP | INDEPENDENCE, OR | Fifth Third Bank |
| $150,000–350,000 | MARSHULL INC. | MUSKEGON, MI | Fifth Third Bank |
| $150,000–350,000 | MARSHULL, INC. | MUSKEGON, MI | Fifth Third Bank |
| $150,000–350,000 | MARTHA BRONITSKY DBA NONE | HAYWARD, CA | Fifth Third Bank |
| $1–2 million | MARTIN ENERGY GROUP, LLC | TIPTON, MO | Fifth Third Bank |
| $350,000–1 million | MARTIN RAY LAUNDRY SYSTEMS, INC. | DENVER, CO | Fifth Third Bank |
| $1–2 million | MARTIN'S RESTAURANT SYSTEMS, INC. | MABLETON, GA | Fifth Third Bank |
| $350,000–1 million | MARTINEZ & SONS LABOR CONTRACTORS LLC | LANSING, MI | Fifth Third Bank |
| $1–2 million | MARTINIQUE DRURY LANE LLC | Oakbrook Terrace, IL | Fifth Third Bank |
| $350,000–1 million | MARTINIQUE DRURY LANE LLC | OAKBROOK TERRACE, IL | Fifth Third Bank |
| $150,000–350,000 | MARVIN S. TAYLOR D.D.S. PROFESSIONAL CORPORATION | Waterford, MI | Fifth Third Bank |
| $150,000–350,000 | MARVIN S. TAYLOR, D.D.S., PROFESSIONAL CORPORATION | WATERFORD, MI | Fifth Third Bank |
| $150,000–350,000 | MARWEDEL, MINICHELLO & REEB, P.C. | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | MARY O'CONNOR & COMPANY | SAINT CHARLES, IL | Fifth Third Bank |
| $150,000–350,000 | MARYSVILLE GRACE BRETHREN CHURCH | MARYSVILLE, OH | Fifth Third Bank |
| $150,000–350,000 | MAS PLUMBING, INC. | ROSELLE, IL | Fifth Third Bank |
| $350,000–1 million | MASIAS INVEST S.L. | Groveport, OH | Fifth Third Bank |
| $150,000–350,000 | MASON JAR MATTHEWS LLC | Matthews, NC | Fifth Third Bank |
| $150,000–350,000 | MASTER CARBIDE TOOLS COMPANY | PAINESVILLE, OH | Fifth Third Bank |