| $350,000–1 million | LOQUERCIO AUTOMOTIVE SOUTH, INC | CHICAGO, IL | Fifth Third Bank |
| $350,000–1 million | LOQUERCIO AUTOMOTIVE WEST, LLC | ELGIN, IL | Fifth Third Bank |
| $350,000–1 million | LOQUERCIO AUTOMOTIVE, INC | ELGIN, IL | Fifth Third Bank |
| $150,000–350,000 | LORI MCAULIFFE, M.D., P.A. | SAINT PETERSBURG, FL | Fifth Third Bank |
| $350,000–1 million | LOST TIME CONTROL WEST INC | Iron Station, NC | Fifth Third Bank |
| $350,000–1 million | LOST TIME CONTROL WEST, INC | IRON STATION, NC | Fifth Third Bank |
| $350,000–1 million | LOTT #1, INC. | FRANKFORT, IL | Fifth Third Bank |
| $150,000–350,000 | LOUD AND CLEAR, INC. | Cincinnati, OH | Fifth Third Bank |
| $1–2 million | LOUIS MESKAN BRASS FOUNDRY INC | Chicago, IL | Fifth Third Bank |
| $1–2 million | LOUIS MESKAN BRASS FOUNDRY, INC. | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | LOUISVILLE MEGA CAVERN LLC | Louisville, KY | Fifth Third Bank |
| $150,000–350,000 | LOUISVILLE MEGA CAVERN, LLC | LOUISVILLE, KY | Fifth Third Bank |
| $1–2 million | LOUNSBURY EXCAVATING, INC. | Paw Paw, MI | Fifth Third Bank |
| $350,000–1 million | LOUNSBURY EXCAVATING, INC. | PAW PAW, MI | Fifth Third Bank |
| $150,000–350,000 | LOVING CARE TRANSITIONAL HOME, LLC | FAIRFIELD, OH | Fifth Third Bank |
| $150,000–350,000 | LOW COUNTRY VENTURES LLC | Williamsburg, MI | Fifth Third Bank |
| $150,000–350,000 | LOWE CHEMICAL COMPANY | CLEVELAND, OH | Fifth Third Bank |
| $150,000–350,000 | LOWRY TECHNICAL ASSOCIATES INC. | Dry Ridge, KY | Fifth Third Bank |
| $150,000–350,000 | LOWRY TECHNICAL ASSOCIATES, INC. | DRY RIDGE, KY | Fifth Third Bank |
| $150,000–350,000 | LPL SOUTHWEST KANSAS LLC | HOUSTON, TX | Fifth Third Bank |
| $350,000–1 million | LQD SOLUTIONS LLC | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | LQD SOLUTIONS LLC | CHICAGO, IL | Fifth Third Bank |
| $350,000–1 million | LRBG CHEMICALS USA INC | Toledo, OH | Fifth Third Bank |
| $350,000–1 million | LRBG CHEMICALS USA, INC | Toledo, OH | Fifth Third Bank |
| $150,000–350,000 | LRMLEASING COMPANY INC. | POMPANO BEACH, FL | Fifth Third Bank |
| $150,000–350,000 | LT ACQUISITION, INC. | CALEDONIA, MI | Fifth Third Bank |
| $150,000–350,000 | LTL VENTURES LLC | Mason, OH | Fifth Third Bank |
| $350,000–1 million | LUBE - POWER, INC. | SHELBY TOWNSHIP, MI | Fifth Third Bank |
| $5–10 million | LUCAS ASSOCIATES INC | ATLANTA, GA | Fifth Third Bank |
| $2–5 million | LUCAS ASSOCIATES TEMPS, INC. | Atlanta, GA | Fifth Third Bank |
| $350,000–1 million | LUCI CREATIVE, LLC | LINCOLNWOOD, IL | Fifth Third Bank |
| $150,000–350,000 | LUCIDO FINE JEWELRY INC. | Sterling Hts, MI | Fifth Third Bank |
| $150,000–350,000 | LUCIDO FINE JEWELRY, INC. | STERLING HTS, MI | Fifth Third Bank |
| $350,000–1 million | LUCKY SHOES INC | Fairlawn, OH | Fifth Third Bank |
| $350,000–1 million | LUCKY SHOES, INC | FAIRLAWN, OH | Fifth Third Bank |
| $150,000–350,000 | LUMEN CARDIOVASCULAR SPECIALISTS, LTD. | ELMHURST, IL | Fifth Third Bank |
| $350,000–1 million | LUMIMOVE INC. | OAK CREEK, WI | Fifth Third Bank |
| $1–2 million | LUMINA SHARED SERVICES, LLC | NASHVILLE, TN | Fifth Third Bank |
| $350,000–1 million | LUNNE MARKETING GROUP, INC | DAYTON, OH | Fifth Third Bank |
| $350,000–1 million | LUTHERAN ADOPTION SERVICE, INC. | DETROIT, MI | Fifth Third Bank |
| $2–5 million | LUTHERAN CHILD & FAMILY SERVICES OF MICHIGAN, INC. | FLINT, MI | Fifth Third Bank |
| $2–5 million | LUTHERAN HOMES OF MICHIGAN INC | FLINT, MI | Fifth Third Bank |
| $350,000–1 million | LUX INTERACTIVE LLC | Troy, MI | Fifth Third Bank |
| $350,000–1 million | LUX INTERACTIVE LLC | TROY, MI | Fifth Third Bank |
| $350,000–1 million | LX TRANS INC | Park Ridge, IL | Fifth Third Bank |
| $350,000–1 million | LX TRANS INC | PARK RIDGE, IL | Fifth Third Bank |
| $350,000–1 million | LYNNHAVEN INN INC | HALLANDALE BEACH, FL | Fifth Third Bank |
| $150,000–350,000 | LYNNHAVEN INN, INC | HALLANDALE BEACH, FL | Fifth Third Bank |
| $150,000–350,000 | LYONS ELECTRICAL SUPPLY CO | DAYTON, OH | Fifth Third Bank |
| $350,000–1 million | LYRA & FAMILY INC. | Wadsworth, IL | Fifth Third Bank |
| $350,000–1 million | LYRA & FAMILY, INC. | WADSWORTH, IL | Fifth Third Bank |
| $350,000–1 million | M & C ENTERPRISES OF SEBRING, INC. | ORLANDO, FL | Fifth Third Bank |
| $150,000–350,000 | M & J LOGISTICS ILLINOIS INC. | Chicago, IL | Fifth Third Bank |
| $150,000–350,000 | M & J LOGISTICS ILLINOIS, INC. | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | M & M AUTO COLLISION INC. | Orlando, FL | Fifth Third Bank |
| $150,000–350,000 | M & M TRANSPORTATION SERVICES LLC | Des Plaines, IL | Fifth Third Bank |
| $150,000–350,000 | M & M TRANSPORTATION SERVICES LLC | DES PLAINES, IL | Fifth Third Bank |
| $150,000–350,000 | M & N PETROLEUM. INC. | Lakeland, FL | Fifth Third Bank |
| $1–2 million | M & O ENVIRONMENTAL COMPANY | EAST HAZEL CREST, IL | Fifth Third Bank |
| $1–2 million | M & R HIGH POINT HOLDINGS, INC. | Cocoa, FL | Fifth Third Bank |
| $350,000–1 million | M C MOLDS, INC. | WILLIAMSTON, MI | Fifth Third Bank |
| $2–5 million | M D LOGISTICS, INC. | PLAINFIELD, IN | Fifth Third Bank |
| $2–5 million | M&O INSULATION COMPANY | EAST HAZEL CREST, IL | Fifth Third Bank |
| $350,000–1 million | M-A BUILDING AND MAINTENANCE COMPANY | Independence, OH | Fifth Third Bank |
| $350,000–1 million | M-A BUILDING AND MAINTENANCE COMPANY | INDEPENDENCE, OH | Fifth Third Bank |
| $350,000–1 million | M-PACT CORPORATION | CINCINNATI, OH | Fifth Third Bank |
| $150,000–350,000 | M-PACT CORPORATION | Cincinnati, OH | Fifth Third Bank |
| $350,000–1 million | M-TL INC | Sandusky, OH | Fifth Third Bank |
| $150,000–350,000 | M-TL INC | SANDUSKY, OH | Fifth Third Bank |
| $150,000–350,000 | M. C. STEEL AND CRANE SERVICE, INC | ALEXANDRIA, KY | Fifth Third Bank |
| $150,000–350,000 | M. E. OLSON CONSTRUCTION INC. | Elmhurst, IL | Fifth Third Bank |
| $150,000–350,000 | M. E. OLSON CONSTRUCTION, INC. | ELMHURST, IL | Fifth Third Bank |
| $150,000–350,000 | M. GAY CONSTRUCTORS INC. | Jacksonville, FL | Fifth Third Bank |
| $150,000–350,000 | M. GAY CONSTRUCTORS, INC. | JACKSONVILLE, FL | Fifth Third Bank |
| $350,000–1 million | M. LIZEN MANUFACTURING CO. | University Park, IL | Fifth Third Bank |
| $350,000–1 million | M. LIZEN MANUFACTURING CO. | UNIVERSITY PARK, IL | Fifth Third Bank |
| $150,000–350,000 | M.J.M. OPERATING CORP. | BROOKLYN, NY | Fifth Third Bank |
| $350,000–1 million | M3CVP CLUBHOUSE OAKBROOK LLC | Oak Brook, IL | Fifth Third Bank |
| $350,000–1 million | M3CVP CLUBHOUSE OAKBROOK LLC | Oak Brook, IL | Fifth Third Bank |
| $150,000–350,000 | MA MA LA ROSA FOODS INCORPORATED | Taylor, MI | Fifth Third Bank |
| $2–5 million | MAC GROUP INTERNATIONAL INCORPORATED | Detroit, MI | Fifth Third Bank |
| $350,000–1 million | MAC MACHINE & METAL WORKS INC | CONNERSVILLE, IN | Fifth Third Bank |
| $350,000–1 million | MAC MACHINE & METAL WORKS INC | Connersville, IN | Fifth Third Bank |
| $150,000–350,000 | MACDERMOTT ROOFING INC. | Livonia, MI | Fifth Third Bank |
| $150,000–350,000 | MACDERMOTT ROOFING, INC. | LIVONIA, MI | Fifth Third Bank |
| $150,000–350,000 | MACDONALD SUPPLY, INC | FINDLAY, OH | Fifth Third Bank |
| $350,000–1 million | MACHINED PRODUCTS CO. | Elk Grove Village, IL | Fifth Third Bank |
| $350,000–1 million | MACHINED PRODUCTS CO. | ELK GROVE VILLAGE, IL | Fifth Third Bank |
| $150,000–350,000 | MACHMER HALL THOROUGHBREDS LLC | Paris, KY | Fifth Third Bank |
| $150,000–350,000 | MACHMER HALL THOROUGHBREDS, LLC | PARIS, KY | Fifth Third Bank |
| $350,000–1 million | MACK & ASSOCIATES LTD | Chicago, IL | Fifth Third Bank |
| $350,000–1 million | MACK & ASSOCIATES LTD | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | MACKSOOD'S, INC. | FLUSHING, MI | Fifth Third Bank |
| $350,000–1 million | MACLEOD CONSTRUCTION, INC. | CHARLOTTE, NC | Fifth Third Bank |
| $350,000–1 million | MACMILLAN SOBANSKI & TODD LLC | Toledo, OH | Fifth Third Bank |
| $350,000–1 million | MACMILLAN, SOBANSKI & TODD, LLC | TOLEDO, OH | Fifth Third Bank |
| $5–10 million | MACOMB OAKLAND REGIONAL CENTER, INC | CLINTON TOWNSHIP, MI | Fifth Third Bank |
| $150,000–350,000 | MACOMB ORTHODONTICS, PLLC | MACOMB, MI | Fifth Third Bank |
| $150,000–350,000 | MADEIRA STATION LLC | CINCINNATI, OH | Fifth Third Bank |
| $350,000–1 million | MADISON MANUFACTURING COMPANY | HOT SPRINGS, NC | Fifth Third Bank |