| $350,000–1 million | MICHIGAN COMMERCIAL INSURANCE MUTUAL CORPORATION | Sarasota, FL | Fifth Third Bank |
| $1–2 million | MICHIGAN CROSSROADS COUNCIL INC. BOY SCOUTS OF AMERICA | Eagle, MI | Fifth Third Bank |
| $350,000–1 million | MICHIGAN EDUCATION COUNCIL | Canton, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN ENDODONTICS PC | PORT HURON, MI | Fifth Third Bank |
| $350,000–1 million | MICHIGAN FOAM PRODUCTS LLC | WYOMING, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN INSTITUTE OF ADVANCED DENTISTRY P.C. | Walled Lake, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN LIGHTING SYSTEMS EAST | TROY, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN LIGHTING SYSTEMS EAST LLC | Troy, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN LUTHERAN HIGH SCHOOL | Saint Joseph, MI | Fifth Third Bank |
| $350,000–1 million | MICHIGAN MATHEMATICS AND SCIENCE INITIATIVE | WARREN, MI | Fifth Third Bank |
| $2–5 million | MICHIGAN PAIN CONSULTANTS, PC | GRAND RAPIDS, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN PALLET LOGISTICS INC. | CHARLOTTE, MI | Fifth Third Bank |
| $1–2 million | MICHIGAN PALLET, INC. | SAINT CHARLES, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN PATTERN WORKS INC. | Grand Rapids, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN PATTERN WORKS, INC. | GRAND RAPIDS, MI | Fifth Third Bank |
| $350,000–1 million | MICHIGAN PHYSICAL FITNESS HEALTH AND SPORTS FOUNDATION I | Lansing, MI | Fifth Third Bank |
| $350,000–1 million | MICHIGAN PHYSICAL FITNESS, HEALTH AND SPORTS FOUNDATION, INC | LANSING, MI | Fifth Third Bank |
| $350,000–1 million | MICHIGAN PRIMARY CARE PARTNERS, P.C. | BIG RAPIDS, MI | Fifth Third Bank |
| $350,000–1 million | MICHIGAN REBUILD & AUTOMATION, INC. | LITCHFIELD, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN RESPIRATORY AND SLEEP PHYSICIANS P.L.L.C. | Novi, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN RESPIRATORY AND SLEEP PHYSICIANS, P.L.L.C. | NOVI, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN ROLL FORM INC. | Commerce Township, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN ROLL FORM, INC. | COMMERCE TOWNSHIP, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN SURVEY SPECIALISTS INC. | Eastpointe, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN SURVEY SPECIALISTS, INC. | EASTPOINTE, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN UNITED PHYSICIANS P.C. | Rochester Hills, MI | Fifth Third Bank |
| $150,000–350,000 | MICHIGAN UNITED PHYSICIANS, P.C. | ROCHESTER HILLS, MI | Fifth Third Bank |
| $2–5 million | MICKEY'S LINEN & TOWEL SUPPLY INC. | Chicago, IL | Fifth Third Bank |
| $2–5 million | MICKEY'S LINEN & TOWEL SUPPLY, INC. | CHICAGO, IL | Fifth Third Bank |
| $1–2 million | MICROBILT CORPORATION | Princeton, NJ | Fifth Third Bank |
| $1–2 million | MICROBUILT CORPORATION | PRINCETON, NJ | Fifth Third Bank |
| $150,000–350,000 | MICROPHOTO, LLC | ROSEVILLE, MI | Fifth Third Bank |
| $350,000–1 million | MID AMERICA WATER TREATMENT, INC. | BARTLETT, IL | Fifth Third Bank |
| $1–2 million | MID ATLANTIC STORAGE SYSTEMS, INC | WASHINGTON COURT HOUSE, OH | Fifth Third Bank |
| $350,000–1 million | MID-AMERICA BUILDING MAINTENANCE INC. | Mundelein, IL | Fifth Third Bank |
| $350,000–1 million | MID-AMERICA BUILDING MAINTENANCE, INC. | MUNDELEIN, IL | Fifth Third Bank |
| $350,000–1 million | MID-AMERICA ELEVATOR CO INC | INDIANAPOLIS, IN | Fifth Third Bank |
| $350,000–1 million | MID-AMERICA PAPER RECYCLING CO., INC. | CHICAGO, IL | Fifth Third Bank |
| $2–5 million | MID-AMERICAN ELEVATOR COMPANY, INC. | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | MID-MICHIGAN BATH, L.L.C. | WARREN, MI | Fifth Third Bank |
| $350,000–1 million | MID-MICHIGAN ONCOLOGY RADIATION ASSOCIATES, P.C. | EAST LANSING, MI | Fifth Third Bank |
| $350,000–1 million | MID-STATES RECYCLING INC. | DES PLAINES, IL | Fifth Third Bank |
| $150,000–350,000 | MID-WEST WIRE SPECIALTIES INC. | Chicago, IL | Fifth Third Bank |
| $150,000–350,000 | MID-WEST WIRE SPECIALTIES, INC. | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | MIDDLEFORK MANAGEMENT COMPANY | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | MIDLAND SLEEP CENTRAL LLC | SAGINAW, MI | Fifth Third Bank |
| $150,000–350,000 | MIDLINK LOGISTICS, LLC | SCHOOLCRAFT, MI | Fifth Third Bank |
| $350,000–1 million | MIDNIGHT DINER, LLC | CHARLOTTE, NC | Fifth Third Bank |
| $350,000–1 million | MIDO'S TRUCKING, LLC | ST LOUIS, MO | Fifth Third Bank |
| $150,000–350,000 | MIDTOWN SUNDRIES DENVER LLC | Denver, NC | Fifth Third Bank |
| $150,000–350,000 | MIDTOWN SUNDRIES DENVER, LLC | DENVER, NC | Fifth Third Bank |
| $150,000–350,000 | MIDWEST AERIAL PHOTOGRAPHY, LLC | GALLOWAY, OH | Fifth Third Bank |
| $2–5 million | MIDWEST ANESTHESIOLOGISTS LTD. | Oak Lawn, IL | Fifth Third Bank |
| $2–5 million | MIDWEST ANESTHESIOLOGISTS, LTD. | Naperville, IL | Fifth Third Bank |
| $350,000–1 million | MIDWEST APPLIED SOLUTIONS, INC. | HILLSIDE, IL | Fifth Third Bank |
| $150,000–350,000 | MIDWEST CAMP HABONIM | Detroit, MI | Fifth Third Bank |
| $150,000–350,000 | MIDWEST CARDIOLOGY ASSOCIATES, P.C. | GARDEN CITY, MI | Fifth Third Bank |
| $150,000–350,000 | MIDWEST CASTER & WHEEL INC | CINCINNATI, OH | Fifth Third Bank |
| $150,000–350,000 | MIDWEST CENTER FOR SLEEP DISORDERS - LANSING PLC | Lansing, MI | Fifth Third Bank |
| $150,000–350,000 | MIDWEST CENTER FOR SLEEP DISORDERS - LANSING, PLC | LANSING, MI | Fifth Third Bank |
| $150,000–350,000 | MIDWEST CONTAINER CORPORATION | FAIRFIELD, OH | Fifth Third Bank |
| $350,000–1 million | MIDWEST CONVERTING, INC. | WOODRIDGE, IL | Fifth Third Bank |
| $350,000–1 million | MIDWEST FASTENERS, INC | MIAMISBURG, OH | Fifth Third Bank |
| $350,000–1 million | MIDWEST FC HOLDING GROUP, LLC | HINCKLEY, IL | Fifth Third Bank |
| $1–2 million | MIDWEST FILTRATION LLC | WEST CHESTER, OH | Fifth Third Bank |
| $150,000–350,000 | MIDWEST LASER SYSTEMS INC | Findlay, OH | Fifth Third Bank |
| $150,000–350,000 | MIDWEST LASER SYSTEMS, INC | FINDLAY, OH | Fifth Third Bank |
| $150,000–350,000 | MIDWEST MEDICAL EQUIPMENT SOLUTIONS INC. | Mokena, IL | Fifth Third Bank |
| $150,000–350,000 | MIDWEST MEDICAL EQUIPMENT SOLUTIONS INC. | MOKENA, IL | Fifth Third Bank |
| $150,000–350,000 | MIDWEST MEDICAL SERVICE & INSTALLATION LLC | BLANCHESTER, OH | Fifth Third Bank |
| $150,000–350,000 | MIDWEST MEDICAL SERVICE & INSTALLATION LLC | Blanchester, OH | Fifth Third Bank |
| $1–2 million | MIDWEST MOLDING, INC. | BARTLETT, IL | Fifth Third Bank |
| $150,000–350,000 | MIDWEST OUTDOORS LTD. | Burr Ridge, IL | Fifth Third Bank |
| $150,000–350,000 | MIDWEST OUTDOORS, LTD. | BURR RIDGE, IL | Fifth Third Bank |
| $2–5 million | MIDWEST PHYSICIAN ANESTHESIA SERVICES, INC. | COLUMBUS, OH | Fifth Third Bank |
| $350,000–1 million | MIDWEST PLASTIC ENGINEERING INC. | Sturgis, MI | Fifth Third Bank |
| $350,000–1 million | MIDWEST PLASTIC ENGINEERING, INC. | STURGIS, MI | Fifth Third Bank |
| $350,000–1 million | MIDWEST PULMONARY ASSOCIATES S.C. | Lombard, IL | Fifth Third Bank |
| $350,000–1 million | MIDWEST PULMONARY ASSOCIATES, S.C. | LOMBARD, IL | Fifth Third Bank |
| $150,000–350,000 | MIDWEST REPRESENTATIVES, INC. | BUFFALO GROVE, IL | Fifth Third Bank |
| $150,000–350,000 | MIDWEST SOLUTIONS INC | ADDISON, IL | Fifth Third Bank |
| $150,000–350,000 | MIDWEST SPECIALTY PRODUCTS CO., INC | FAIRFIELD, OH | Fifth Third Bank |
| $350,000–1 million | MIDWEST TERMINALS OF TOLEDO, INC | MAUMEE, OH | Fifth Third Bank |
| $350,000–1 million | MIDWEST TERMINALS OF TOLEDO, INTERNATIONAL, INC | MAUMEE, OH | Fifth Third Bank |
| $150,000–350,000 | MIDWEST TOOL & DIE INC | Rockford, MI | Fifth Third Bank |
| $150,000–350,000 | MIDWEST TOOL & DIE, INC | ROCKFORD, MI | Fifth Third Bank |
| $1–2 million | MIDWEST WAREHOUSE AND DISTRIBUTION SYSTEM, INC. | WOODRIDGE, IL | Fifth Third Bank |
| $350,000–1 million | MIDWESTERN BROADCASTING COMPANY | Traverse City, MI | Fifth Third Bank |
| $350,000–1 million | MIDWESTERN BROADCASTING COMPANY | TRAVERSE CITY, MI | Fifth Third Bank |
| $150,000–350,000 | MIDWESTERN SERVICE DIVISION INC | Amelia, OH | Fifth Third Bank |
| $150,000–350,000 | MIDWESTERN SERVICE DIVISION, INC | AMELIA, OH | Fifth Third Bank |
| $150,000–350,000 | MIE, INC. | APOPKA, FL | Fifth Third Bank |
| $350,000–1 million | MIGALA INC. | Kalamazoo, MI | Fifth Third Bank |
| $350,000–1 million | MIGALA, INC. | KALAMAZOO, MI | Fifth Third Bank |
| $350,000–1 million | MIGHTY CAKE COMPANY LLC | Chicago, IL | Fifth Third Bank |
| $350,000–1 million | MIGHTY CAKE COMPANY, LLC | CHICAGO, IL | Fifth Third Bank |
| $1–2 million | MIKE DORIAN FORD, INC. | CLINTON TOWNSHIP, MI | Fifth Third Bank |
| $150,000–350,000 | MIKE FARRELL'S DETROIT WRECKER SALES, LLC | DETROIT, MI | Fifth Third Bank |
| $150,000–350,000 | MILES AHEAD TECHNOLOGY LLC | Miamisburg, OH | Fifth Third Bank |
| $150,000–350,000 | MILES AHEAD TECHNOLOGY, LLC | MIAMISBURG, OH | Fifth Third Bank |