| $150,000–350,000 | LEXINGTON HEALTH CARE CENTER OF ELMHURST INC | Lombard, IL | Old Second National Bank |
| $1–2 million | LEXINGTON HEALTH CARE CENTER OF ELMHURST, INC | LOMBARD, IL | Old Second National Bank |
| $150,000–350,000 | LEXINGTON HEALTH CARE CENTER OF LAGRANGE INC | Lombard, IL | Old Second National Bank |
| $350,000–1 million | LEXINGTON HEALTH CARE CENTER OF LAGRANGE, INC | LOMBARD, IL | Old Second National Bank |
| $1–2 million | LEXINGTON HEALTH CARE CENTER OF LAKE ZURICH INC | Lombard, IL | Old Second National Bank |
| $1–2 million | LEXINGTON HEALTH CARE CENTER OF LAKE ZURICH, INC | LOMBARD, IL | Old Second National Bank |
| $1–2 million | LEXINGTON HEALTH CARE CENTER OF LOMBARD, INC | LOMBARD, IL | Old Second National Bank |
| $1–2 million | LEXINGTON HEALTH CARE CENTER OF ORLAND PARK INC | Lombard, IL | Old Second National Bank |
| $1–2 million | LEXINGTON HEALTH CARE CENTER OF ORLAND PARK, INC | LOMBARD, IL | Old Second National Bank |
| $1–2 million | LEXINGTON HEALTH CARE CENTER OF SCHAUMBURG INC | LOMBARD, IL | Old Second National Bank |
| $350,000–1 million | LEXINGTON HOME HEALTH CARE, INC | LOMBARD, IL | Old Second National Bank |
| $150,000–350,000 | LEXINGTON HOSPICE SERVICES, LLC | LOMBARD, IL | Old Second National Bank |
| $150,000–350,000 | LEXINGTON PRIVATE CARE SERVICES, INC | LOMBARD, IL | Old Second National Bank |
| $350,000–1 million | LEXINGTON SQUARE LC OF ELMHURST LLC | LOMBARD, IL | Old Second National Bank |
| $350,000–1 million | LEXINGTON SQUARE LIFE CARE OF LOMBARD LLC | LOMBARD, IL | Old Second National Bank |
| $1–2 million | LEXTECH GLOBAL SERVICES CORP | Downers Grove, IL | Old Second National Bank |
| $1–2 million | LEXTECH GLOBAL SERVICES, CORP | DOWNERS GROVE, IL | Old Second National Bank |
| $150,000–350,000 | LEZZA SPUMONI & DESSERTS INC. | Bellwood, IL | Old Second National Bank |
| $150,000–350,000 | LEZZA SPUMONI & DESSERTS, INC. | BELLWOOD, IL | Old Second National Bank |
| $150,000–350,000 | LIFELINE TRAINING, LTD. | GLEN ELLYN, IL | Old Second National Bank |
| $350,000–1 million | LINCOLN LOUISIANA CORPORATION | Cottleville, MO | Old Second National Bank |
| $350,000–1 million | LINCOLN LOUISIANA CORPORATION | Cottleville, MO | Old Second National Bank |
| $150,000–350,000 | LITE CONSTRUCTION, INC. | MONTGOMERY, IL | Old Second National Bank |
| $350,000–1 million | LITETRONICS INTERNATIONAL INC. | Bedford Park, IL | Old Second National Bank |
| $350,000–1 million | LITETRONICS INTERNATIONAL, INC. | CHICAGO, IL | Old Second National Bank |
| $350,000–1 million | LOEB EQUIPMENT SUPPLY COMPANY | Chicago, IL | Old Second National Bank |
| $350,000–1 million | LOEB EQUIPMENT SUPPLY COMPANY | CHICAGO, IL | Old Second National Bank |
| $350,000–1 million | LOMBARD VETERINARY HOSPITAL | LOMBARD, IL | Old Second National Bank |
| $150,000–350,000 | LOOKING GLASS OPPORTUNITY FUND LTD | CHICAGO, IL | Old Second National Bank |
| $2–5 million | LORETTO HOSPITAL | CHICAGO, IL | Old Second National Bank |
| $150,000–350,000 | LUKADIA, INC | CHICAGO HEIGHTS, IL | Old Second National Bank |
| $150,000–350,000 | LUMANAIR, INC. | SUGAR GROVE, IL | Old Second National Bank |
| $350,000–1 million | M.D. MILLER TRUCKING & TOPSOIL, INC. | PLAINFIELD, IL | Old Second National Bank |
| $150,000–350,000 | MAC CONSTRUCTION SERVICES INC. | Oak Brook, IL | Old Second National Bank |
| $150,000–350,000 | MADDOCK INDUSTRIES INC. | Chicago, IL | Old Second National Bank |
| $150,000–350,000 | MADDOCK INDUSTRIES, INC | CHICAGO, IL | Old Second National Bank |
| $1–2 million | MAH MACHINE COMPANY | Cicero, IL | Old Second National Bank |
| $350,000–1 million | MALLOF ABRUZINO & NASH MARKETING INC | Carol Stream, IL | Old Second National Bank |
| $350,000–1 million | MALLOF, ABRUZINO & NASH MARKETING INC | CAROL STREAM, IL | Old Second National Bank |
| $150,000–350,000 | MARBERRY CLEANERS AND LAUNDERERS, LLC | SAINT CHARLES, IL | Old Second National Bank |
| $350,000–1 million | MARBERRY LAUNDRY, ILLC | SAINT CHARLES, IL | Old Second National Bank |
| $150,000–350,000 | MARJON TRANSPORTATION INC | Franklin Park, IL | Old Second National Bank |
| $150,000–350,000 | MARJON TRANSPORTATION INC | FRANKLIN PARK, IL | Old Second National Bank |
| $350,000–1 million | MARKET PLACE MORTGAGE CORP | LOMBARD, IL | Old Second National Bank |
| $150,000–350,000 | MAUL ENTERPRISES INC. | Naperville, IL | Old Second National Bank |
| $150,000–350,000 | MAUL ENTERPRISES, INC. | NAPERVILLE, IL | Old Second National Bank |
| $350,000–1 million | MAUL PAVING INC. | Plainfield, IL | Old Second National Bank |
| $350,000–1 million | MAUL PAVING, INC. | PLAINFIELD, IL | Old Second National Bank |
| $150,000–350,000 | MCGREAL & COMPANY P.C. | OAK LAWN, IL | Old Second National Bank |
| $1–2 million | MCMAHON TRANSPORT GROUP, LLC | LOCKPORT, IL | Old Second National Bank |
| $350,000–1 million | MENDEL PLUMBING & HEATING, INC | SAINT CHARLES, IL | Old Second National Bank |
| $150,000–350,000 | MERIDIAN TECHNOLOGY SOLUTIONS, INC | OAK BROOK, IL | Old Second National Bank |
| $150,000–350,000 | MERIT SLEEP MANAGEMENT | LOMBARD, IL | Old Second National Bank |
| $350,000–1 million | MID-AMERICA STEEL ERECTORS INC. | Wayne, IL | Old Second National Bank |
| $350,000–1 million | MID-AMERICA STEEL ERECTORS, INC. | WAYNE, IL | Old Second National Bank |
| $150,000–350,000 | MID-CONTINENT MARKETING SERVIC | ROMEOVILLE, IL | Old Second National Bank |
| $150,000–350,000 | MIDWEST AVIATION, LLC | CHICAGO, IL | Old Second National Bank |
| $350,000–1 million | MIDWEST CAPITAL MANAGERS LTD | JOLIET, IL | Old Second National Bank |
| $150,000–350,000 | MIDWEST CLOTHING AND RESTORATION INC. | BATAVIA, IL | Old Second National Bank |
| $150,000–350,000 | MIDWEST GRADING INC | Geneva, IL | Old Second National Bank |
| $150,000–350,000 | MIDWEST GRADING, INC | GENEVA, IL | Old Second National Bank |
| $150,000–350,000 | MIDWEST WOODCRAFTERS INC | CAROL STREAM, IL | Old Second National Bank |
| $150,000–350,000 | MIDWEST WOODCRAFTERS, INC | CAROL STREAM, IL | Old Second National Bank |
| $350,000–1 million | MILAN'S MACHINING & MFG. CO., INC | CICERO, IL | Old Second National Bank |
| $1–2 million | MILESTONE THERAPY LLC | Highland, IN | Old Second National Bank |
| $1–2 million | MILESTONE THERAPY, LLC | HIGHLAND, IN | Old Second National Bank |
| $150,000–350,000 | MILL CREEK ANIMAL CLINIC PC | PALOS PARK, IL | Old Second National Bank |
| $150,000–350,000 | MINDING YOUR BUSINESS INC. | Chicago, IL | Old Second National Bank |
| $350,000–1 million | MOBILE GENERATION LLC | CHICAGO, IL | Old Second National Bank |
| $350,000–1 million | MONTESSORI ACADEMY OF CHICAGO I LLC | Chicago, IL | Old Second National Bank |
| $350,000–1 million | MONTESSORI ACADEMY OF CHICAGO I, LLC | CHICAGO, IL | Old Second National Bank |
| $350,000–1 million | MONTINI CATHOLIC HIGH SCHOOL | LOMBARD, IL | Old Second National Bank |
| $150,000–350,000 | MORRIS SILVERMAN MANAGEMENT CORPORATION | NORTHFIELD, IL | Old Second National Bank |
| $150,000–350,000 | MOTOR CYCLE CENTER, INC. | VILLA PARK, IL | Old Second National Bank |
| $2–5 million | MSM SOLUTIONS INC. | Elmhurst, IL | Old Second National Bank |
| $2–5 million | MSM SOLUTIONS, INC. | ELMHURST, IL | Old Second National Bank |
| $350,000–1 million | MTH TOOL COMPANY, INC. | PLANO, IL | Old Second National Bank |
| $150,000–350,000 | NADLER GOLF CAR SALES INC. | Aurora, IL | Old Second National Bank |
| $150,000–350,000 | NADLER GOLF CAR SALES, INC. | AURORA, IL | Old Second National Bank |
| $150,000–350,000 | NAPERVILLE EYE ASSOCIATES, LTD | NAPERVILLE, IL | Old Second National Bank |
| $150,000–350,000 | NAPERVILLE YARD CORPORATION | Naperville, IL | Old Second National Bank |
| $150,000–350,000 | NAPERVILLE YARD CORPORATION | NAPERVILLE, IL | Old Second National Bank |
| $150,000–350,000 | NEBO II, INC. | Oakbrook Terrace, IL | Old Second National Bank |
| $1–2 million | NORRIDGE GARDENS LLC | SKOKIE, IL | Old Second National Bank |
| $150,000–350,000 | NORTH POINT DEVELOPMENT LLC | PLAINFIELD, IN | Old Second National Bank |
| $150,000–350,000 | NORTH SHORE TOWING COMPANY | EVANSTON, IL | Old Second National Bank |
| $350,000–1 million | NORTHERN BAPTIST THEOLOGICAL SEMINARY | LISLE, IL | Old Second National Bank |
| $150,000–350,000 | NORTHERN BAPTIST THEOLOGICAL SEMINARY | Lisle, IL | Old Second National Bank |
| $1–2 million | NORTHERN GLASS INC. | Elk Grove Village, IL | Old Second National Bank |
| $2–5 million | NORTHERN GLASS, INC. | ELK GROVE VILLAGE, IL | Old Second National Bank |
| $1–2 million | NORTHERN ILLINOIS FOOD BANK | GENEVA, IL | Old Second National Bank |
| $350,000–1 million | NORTHERN KANE EDUCATIONAL CORP | PINGREE GROVE, IL | Old Second National Bank |
| $350,000–1 million | NORTHSTAR ENTERPRISES INC | WEST CHICAGO, IL | Old Second National Bank |
| $350,000–1 million | NORTHSTAR ENTERPRISES INC - GRANT & POWER LANDSCAPING INC. | West Chicago, IL | Old Second National Bank |
| $150,000–350,000 | NORTON SONS ROOFING CO., INC. | LEMONT, IL | Old Second National Bank |
| $150,000–350,000 | NOTRE DAME CHURCH OF CHICAGO | CHICAGO, IL | Old Second National Bank |
| $350,000–1 million | OLYMPIC SIGNS INC. | Lombard, IL | Old Second National Bank |
| $350,000–1 million | OLYMPIC SIGNS, INC. | LOMBARD, IL | Old Second National Bank |
| $150,000–350,000 | OSWEGO BUILDING SUPPLIES INC. | Oswego, IL | Old Second National Bank |
| $150,000–350,000 | OSWEGO BUILDING SUPPLIES, INC. | OSWEGO, IL | Old Second National Bank |