| $1–2 million | ONLINE TECH STORES LLC | RENO, NV | Fifth Third Bank |
| $350,000–1 million | ONPOWER INC | LEBANON, OH | Fifth Third Bank |
| $150,000–350,000 | ONSITE HEALTHCARE, INC., SC | LINCOLNWOOD, IL | Fifth Third Bank |
| $150,000–350,000 | ONTIME HEATING AND AIRCONDITIONING, INC. | HENDERSON, KY | Fifth Third Bank |
| $150,000–350,000 | ONWARD NEIGHBORHOOD HOUSE | CHICAGO, IL | Fifth Third Bank |
| $1–2 million | OOSTERBAAN & SONS CO. | POSEN, IL | Fifth Third Bank |
| $150,000–350,000 | OP4G INC | PORTSMOUTH, NH | Fifth Third Bank |
| $350,000–1 million | OPC CONSTRUCTION, INC. | WOOD DALE, IL | Fifth Third Bank |
| $5–10 million | OPEN ACCESS TECHNOLOGY INTERNATIONAL, INC. | MINNEAPOLIS, MN | Fifth Third Bank |
| $350,000–1 million | OPEN DOOR CHRISTIAN SCHOOLS INC | ELYRIA, OH | Fifth Third Bank |
| $150,000–350,000 | OPENFINANCE HOLDINGS, INC. | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | OPPORTUNITY FRANCHISING, INC. | SCHAUMBURG, IL | Fifth Third Bank |
| $1–2 million | OPTIMAL STAFFING SOLUTIONS, INC. | LANSING, MI | Fifth Third Bank |
| $350,000–1 million | OPTIMIZED ASPECTS, LLC | SAN FRANCISCO, CA | Fifth Third Bank |
| $2–5 million | OPTIMUM STAFFING, INC. | LISLE, IL | Fifth Third Bank |
| $350,000–1 million | OPTIMUM WATER SOLUTIONS, INC. | OVIEDO, FL | Fifth Third Bank |
| $150,000–350,000 | OPTOMETRY PC | CLINTON TOWNSHIP, MI | Fifth Third Bank |
| $350,000–1 million | ORAL & MAXILLOFACIAL SURGERY ASSOCIATES OF WESTERN MICHIGAN PLC | GRAND RAPIDS, MI | Fifth Third Bank |
| $350,000–1 million | ORAL SURGERY ASSOCIATES, P.C. | GRAND RAPIDS, MI | Fifth Third Bank |
| $150,000–350,000 | ORBIS HOLDING GROUP | SAINT CLAIR, MI | Fifth Third Bank |
| $150,000–350,000 | ORBIT MOVERS ERECTORS, INC. | DAYTON, OH | Fifth Third Bank |
| $150,000–350,000 | ORBIT SYSTEMS INC | GALENA, OH | Fifth Third Bank |
| $1–2 million | ORCHARD LAKE SCHOOLS | ORCHARD LAKE, MI | Fifth Third Bank |
| $150,000–350,000 | ORDER MEDIA SOLUTIONS LLC | FORT LAUDERDALE, FL | Fifth Third Bank |
| $1–2 million | OREGON FORD, INC | OREGON, OH | Fifth Third Bank |
| $350,000–1 million | OREGON LIVING & REHABILITATION CENTER, LLC | OREGON, IL | Fifth Third Bank |
| $1–2 million | ORGANIZED LIVING, INC | CINCINNATI, OH | Fifth Third Bank |
| $150,000–350,000 | ORIBELLO ENTERPRISES, LLC | FORT WAYNE, IN | Fifth Third Bank |
| $150,000–350,000 | ORIGIN IV ENTERPRISES LLC | BELMONT, NC | Fifth Third Bank |
| $150,000–350,000 | ORIGO BRANDING COMPANY INC | COLUMBUS, OH | Fifth Third Bank |
| $350,000–1 million | ORION INDUSTRIES, LTD. | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | ORION MANAGEMENT INC | NORTH CANTON, OH | Fifth Third Bank |
| $350,000–1 million | ORLAND PARK ORTHOPEDICS, S.C. | ORLAND PARK, IL | Fifth Third Bank |
| $350,000–1 million | ORLANDO REPERTORY THEATRE | ORLANDO, FL | Fifth Third Bank |
| $150,000–350,000 | ORLEANS, CANTY, NOVY, LLC | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | ORO MANUFACTURING COMPANY | MONROE, NC | Fifth Third Bank |
| $150,000–350,000 | ORSOLINI'S WELDING & FABRICATING COMPANY | CHICAGO, IL | Fifth Third Bank |
| $1–2 million | ORTHOBANC, LLC | HIXON, TN | Fifth Third Bank |
| $350,000–1 million | ORVILLE OSBORNE HOLDINGS, INC | FAIRFIELD, OH | Fifth Third Bank |
| $350,000–1 million | OSI ACQUISITION CORPORATION | LOUISVILLE, KY | Fifth Third Bank |
| $350,000–1 million | OSTERWISCH COMPANY, INC | CINCINNATI, OH | Fifth Third Bank |
| $2–5 million | OTGP MANAGMENT, LLC | CHAPEL HILL, NC | Fifth Third Bank |
| $350,000–1 million | OTSEGO CLUB FOOD AND BEVERAGE, LLC | LEWISTON, MI | Fifth Third Bank |
| $150,000–350,000 | OUR LADY OF GRACE CATHOLIC SCHOOL | CINCINNATI, OH | Fifth Third Bank |
| $150,000–350,000 | OUR LADY OF GUADALUPE | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | OUR LADY OF LOURDES CATHOLIC CHURCH, INDIANAPOLIS IN | INDIANAPOLIS, IN | Fifth Third Bank |
| $350,000–1 million | OUR LADY OF LOURDES CHURCH | CINCINNATI, OH | Fifth Third Bank |
| $350,000–1 million | OUR LADY OF THE GREENWOOD CATHOLIC CHURCH, INC. | GREENWOOD, IN | Fifth Third Bank |
| $350,000–1 million | OUR LADY OF VICTORY | CINCINNATI, OH | Fifth Third Bank |
| $150,000–350,000 | OUT OF HAND GRAPHICS, INC. | BEDFORD PARK, IL | Fifth Third Bank |
| $150,000–350,000 | OUTDOOR DECOR STORE INC. | NAPLES, FL | Fifth Third Bank |
| $150,000–350,000 | OUTDOOR EXPRESSIONS, INC. | WHITE LAKE, MI | Fifth Third Bank |
| $150,000–350,000 | OUTREACH AND CRISIS COUNSELING SERVICES LLC | COLUMBUS, OH | Fifth Third Bank |
| $2–5 million | OVARE GROUP, INC. | LOUISVILLE, KY | Fifth Third Bank |
| $150,000–350,000 | OVERCASHIER AND HORST HEATING AND AIR CONDITIONING, INC | SYLVANIA, OH | Fifth Third Bank |
| $150,000–350,000 | OVERDOORS OF ILLINOIS, INC. | HOMEWOOD, IL | Fifth Third Bank |
| $150,000–350,000 | OVERISEL EGGS LLC | HOLLAND, MI | Fifth Third Bank |
| $150,000–350,000 | OWEN E. MCCAFFERTY, CPA, INC. | PONTE VEDRA BEACH, FL | Fifth Third Bank |
| $150,000–350,000 | OWENS FLOORING COMPANY | WILLOUGHBY, OH | Fifth Third Bank |
| $150,000–350,000 | OX-BOW | SAUGATUCK, MI | Fifth Third Bank |
| $2–5 million | OXYGEN DEVELOPMENT LLC | PALM SPRINGS, FL | Fifth Third Bank |
| $150,000–350,000 | OZARKS SOAP, LLC | LOUISVILLE, KY | Fifth Third Bank |
| $350,000–1 million | P-S BUSINESS ACQUISITION, INC. | SPARTA, MI | Fifth Third Bank |
| $350,000–1 million | P.S. CLEVELAND, INC | STRONGSVILLE, OH | Fifth Third Bank |
| $350,000–1 million | P3 ADVANTAGE, INC. | ROSWELL, GA | Fifth Third Bank |
| $1–2 million | PAC INDUSRIES, INC. | HARRISBURG, PA | Fifth Third Bank |
| $350,000–1 million | PAC STAINLESS LIMITED | HOUSTON, TX | Fifth Third Bank |
| $150,000–350,000 | PACE JOINT INTERESTS UPTOWN LLC | HORSESHOE LANE, TX | Fifth Third Bank |
| $1–2 million | PACIFIC POWER SOURCE, INC. | IRVINE, CA | Fifth Third Bank |
| $1–2 million | PACIFIC RIM CAPITAL INC. | IRVINE, CA | Fifth Third Bank |
| $350,000–1 million | PACKAGEJET LLC | KALAMAZOO, MI | Fifth Third Bank |
| $150,000–350,000 | PACKAGING RESOURCES, INC | COUNTRYSIDE, IL | Fifth Third Bank |
| $150,000–350,000 | PACKAGING SOLUTIONS, INC. | SHELBY, NC | Fifth Third Bank |
| $150,000–350,000 | PACKPLUS, INC | NORTH MIAMI BEACH, FL | Fifth Third Bank |
| $1–2 million | PACMOORE PROCESS TECHNOLOGIES, LLC | MOORESVILLE, IN | Fifth Third Bank |
| $2–5 million | PACMOORE PRODUCTS, INC. | HAMMOND, IN | Fifth Third Bank |
| $350,000–1 million | PADDACK WRECKER SERVICE, INC. | WESTFIELD, IN | Fifth Third Bank |
| $150,000–350,000 | PAK SOUTH, INC. | CHARLOTTE, NC | Fifth Third Bank |
| $350,000–1 million | PAKET CORP | CHICAGO, IL | Fifth Third Bank |
| $350,000–1 million | PALLADIO US, LLC | WEST PALM BEACH, FL | Fifth Third Bank |
| $350,000–1 million | PALM PAVILION OF CLEARWATER INC | CLEARWATER BEACH, FL | Fifth Third Bank |
| $350,000–1 million | PALM PAVILION, INC. | CLEARWATER BEACH, FL | Fifth Third Bank |
| $150,000–350,000 | PALMER EXPRESS, INCORPORATED | EASTLAKE, OH | Fifth Third Bank |
| $350,000–1 million | PALMER PACKAGING, INC. | ADDISON, IL | Fifth Third Bank |
| $150,000–350,000 | PALOS DIAGNOSTIC S.C. | OAK BROOK, IL | Fifth Third Bank |
| $150,000–350,000 | PALOS SURGICENTER, LLC | PALOS HEIGHTS, IL | Fifth Third Bank |
| $1–2 million | PALOS VERDES BUILDING CORP. | CORONA, CA | Fifth Third Bank |
| $1–2 million | PANELMATIC INC | FAIRFIELD, OH | Fifth Third Bank |
| $150,000–350,000 | PANTHER HEALTH, LLC | MOORESVILLE, NC | Fifth Third Bank |
| $150,000–350,000 | PANTON EYE CENTER, P.C. | ELMWOOD PARK, IL | Fifth Third Bank |
| $350,000–1 million | PARADIGM INDUSTRIAL LLC | DAYTON, OH | Fifth Third Bank |
| $350,000–1 million | PARAGON LABORATORIES, INC. | LIVONIA, MI | Fifth Third Bank |
| $1–2 million | PARAGON MARKETING GROUP, LLC | SKOKIE, IL | Fifth Third Bank |
| $150,000–350,000 | PARAGON REPRODUCTIONS, INC. | SWARTZ CREEK, MI | Fifth Third Bank |
| $150,000–350,000 | PARALLEL SOLUTIONS, LLC | SCHAUMBURG, IL | Fifth Third Bank |
| $1–2 million | PARAMONT-EO, INC. | WOODRIDGE, IL | Fifth Third Bank |
| $2–5 million | PARENTI & RAFFAELLI, LTD. | MOUNT PROSPECT, IL | Fifth Third Bank |
| $150,000–350,000 | PARK RIDGE CARE CENTER LTD | PARK RIDGE, IL | Fifth Third Bank |
| $150,000–350,000 | PARKER ENGINEERING CO. LTD | WESTLAND, MI | Fifth Third Bank |
| $150,000–350,000 | PARKS, DE FILIPPO & ASSOCIATES, P.A. | MAITLAND, FL | Fifth Third Bank |