| $150,000–350,000 | IMAGELINK, LLC | BOCA RATON, FL | Fifth Third Bank |
| $2–5 million | IMAGESOFT, INC. | SOUTHFIELD, MI | Fifth Third Bank |
| $150,000–350,000 | IMAGEWORKS MANUFACTURING INC. | Park Forest, IL | Fifth Third Bank |
| $150,000–350,000 | IMAGEWORKS MANUFACTURING, INC. | PARK FOREST, IL | Fifth Third Bank |
| $350,000–1 million | IMAGINATION SPECIALTIES INC. | Old Hickory, TN | Fifth Third Bank |
| $350,000–1 million | IMBERT INTERNATIONAL INC | NILES, IL | Fifth Third Bank |
| $350,000–1 million | IMEDCO-AMERICA, LTD | NOBLESVILLE, IN | Fifth Third Bank |
| $350,000–1 million | IMM INC. | Grayling, MI | Fifth Third Bank |
| $350,000–1 million | IMM, INC. | GRAYLING, MI | Fifth Third Bank |
| $150,000–350,000 | IMMACULATE CONCEPTION CHURCH | IRA, MI | Fifth Third Bank |
| $350,000–1 million | IMMACULATE HEART OF MARY CATHOLIC CHURCH, INDIANAPOLIS, INC | Indianapolis, IN | Fifth Third Bank |
| $150,000–350,000 | IMMANUEL LUTHERN CHURCH AND SCHOOL | ELMHURST, IL | Fifth Third Bank |
| $150,000–350,000 | IMPACT CONSTRUCTION SERVICES DIVISION 1 LLC | Evanston, IL | Fifth Third Bank |
| $150,000–350,000 | IMPACT CONSTRUCTION SERVICES DIVISION 1 LLC | EVANSTON, IL | Fifth Third Bank |
| $150,000–350,000 | IMPACT FLEET SERVICE, INC | WEST CHESTER, OH | Fifth Third Bank |
| $350,000–1 million | IMPACT IRON, LLC | ARLINGTON HEIGHTS, IL | Fifth Third Bank |
| $150,000–350,000 | IMPACT OPERATIONS L.L.C. | Saranac, MI | Fifth Third Bank |
| $350,000–1 million | IMPACT OPERATIONS, L.L.C. | SARANAC, MI | Fifth Third Bank |
| $2–5 million | IMPACT STAFFING, LLC | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | IMPALA CONSTRUCTION CONCEPTS LLC | WEST PALM BEACH, FL | Fifth Third Bank |
| $150,000–350,000 | IMPEL INDUSTRIES INC. | Sterling Hts, MI | Fifth Third Bank |
| $350,000–1 million | IMPEL INDUSTRIES, INC. | STERLING HTS, MI | Fifth Third Bank |
| $150,000–350,000 | IMPERIAL GUARD SERVICE, INC. | ADDISON, IL | Fifth Third Bank |
| $350,000–1 million | IMPERIAL HEATING AND COOLING, INC | SOLON, OH | Fifth Third Bank |
| $150,000–350,000 | IMPERIAL MECHANICAL INC | SOLON, OH | Fifth Third Bank |
| $350,000–1 million | IMPERIAL PLATING COMPANY OF ILLINOIS | Chicago, IL | Fifth Third Bank |
| $350,000–1 million | IMPERIAL PLATING COMPANY OF ILLINOIS | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | IMPERIAL ROYAL TOURS INC | LAFAYETTE, IN | Fifth Third Bank |
| $350,000–1 million | IMPERIAL USA, LTD. | CHARLOTTE, NC | Fifth Third Bank |
| $350,000–1 million | IMPERIAL VALLEY PRESS INC | Marion, IL | Fifth Third Bank |
| $150,000–350,000 | IMPORT LOGISTICS INC | Aurora, IL | Fifth Third Bank |
| $150,000–350,000 | IMPORT LOGISTICS INC. | Aurora, IL | Fifth Third Bank |
| $350,000–1 million | IMPORT MEX DISTRIBUTORS INC. | RIVIERA BEACH, FL | Fifth Third Bank |
| $350,000–1 million | IMPRINT ENTERPRISES, INC. | AURORA, IL | Fifth Third Bank |
| $150,000–350,000 | IMS HOCKEY MANAGEMENT LLC | Flint, MI | Fifth Third Bank |
| $150,000–350,000 | IMS HOCKEY MANAGEMENT, LLC | FLINT, MI | Fifth Third Bank |
| $150,000–350,000 | IN GRACE MINISTRIES INC. | Lake Zurich, IL | Fifth Third Bank |
| $2–5 million | INCAPITAL LLC | Chicago, IL | Fifth Third Bank |
| $150,000–350,000 | INCOM INTEGRATED COMPUTER SYSTEMS, INC | SOLON, OH | Fifth Third Bank |
| $150,000–350,000 | INCOMPASS SOLUTIONS, INC. | LEXINGTON, KY | Fifth Third Bank |
| $350,000–1 million | INDEPENDENT WELDING DISTRIBUTORS COOPERATIVE, INC. | Indianapolis, IN | Fifth Third Bank |
| $150,000–350,000 | INDESTRUCTO AWNING COMPANY INC. | Des Plaines, IL | Fifth Third Bank |
| $150,000–350,000 | INDESTRUCTO AWNING COMPANY, INC. | DES PLAINES, IL | Fifth Third Bank |
| $1–2 million | INDEX CORPORATION | Noblesville, IN | Fifth Third Bank |
| $350,000–1 million | INDIAN CREEK CHRISTIAN CHURCH | INDIANAPOLIS, IN | Fifth Third Bank |
| $350,000–1 million | INDIAN CREEK FABRICATORS INC | Tipp City, OH | Fifth Third Bank |
| $350,000–1 million | INDIAN CREEK FABRICATORS, INC | TIPP CITY, OH | Fifth Third Bank |
| $350,000–1 million | INDIANA ASSOCIATION OF UNITED WAYS INC | INDIANAPOLIS, IN | Fifth Third Bank |
| $350,000–1 million | INDIANA HEALTH GROUP, P.C. | CARMEL, IN | Fifth Third Bank |
| $1–2 million | INDIANA INTERNAL MEDICINE CONSULTANTS LLC | GREENWOOD, IN | Fifth Third Bank |
| $1–2 million | INDIANA INTERNAL MEDICINE CONSULTANTS PC | GREENWOOD, IN | Fifth Third Bank |
| $350,000–1 million | INDIANA MATH AND SCIENCE ACADEMY, INDIANAPOLIS INC | Indianapolis, IN | Fifth Third Bank |
| $350,000–1 million | INDIANA MATH AND SCIENCE ACADEMY, NORTH INDIANAPOLIS INC | Indianapolis, IN | Fifth Third Bank |
| $1–2 million | INDIANA ORAL & MAXILLOFACIAL SURGERY ASSOCIATES | FISHERS, IN | Fifth Third Bank |
| $2–5 million | INDIANA PROFESSIONAL MANAGEMENT GROUP, INC. | West Lafayette, IN | Fifth Third Bank |
| $150,000–350,000 | INDIANAPOLIS BURN LLC | Bonita Springs, FL | Fifth Third Bank |
| $1–2 million | INDUS VALLEY CONSULTANTS, INC. | MIAMISBURG, OH | Fifth Third Bank |
| $150,000–350,000 | INDUSTRIAL BURNER SERVICES INC | Cincinnati, OH | Fifth Third Bank |
| $150,000–350,000 | INDUSTRIAL BURNER SERVICES, INC | CINCINNATI, OH | Fifth Third Bank |
| $150,000–350,000 | INDUSTRIAL CONTRACTORS & ENGINEERS | MERRILLVILLE, IN | Fifth Third Bank |
| $150,000–350,000 | INDUSTRIAL CORK COMPANY, INC. | ELMHURST, IL | Fifth Third Bank |
| $1–2 million | INDUSTRIAL HARD CHROME LTD. | Geneva, IL | Fifth Third Bank |
| $1–2 million | INDUSTRIAL HARD CHROME, LTD. | GENEVA, IL | Fifth Third Bank |
| $150,000–350,000 | INDUSTRIAL LAUNDRY SERVICES, INC | Orlando, FL | Fifth Third Bank |
| $150,000–350,000 | INDUSTRIAL METAL ENTERPRISE, INCORPORATED | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | INDUSTRIAL PIPE AND SUPPLY COMPANY | CICERO, IL | Fifth Third Bank |
| $150,000–350,000 | INDUSTRIAL PIPE AND SUPPLY COMPANY | Cicero, IL | Fifth Third Bank |
| $350,000–1 million | INDUSTRIAL WIRE & CABLE CORP. | LAKE ZURICH, IL | Fifth Third Bank |
| $150,000–350,000 | INDUSTRY LAB DIAGNOSTIC PARTNERS, LLC | NASHVILLE, TN | Fifth Third Bank |
| $150,000–350,000 | INFECTIOUS DISEASE CONSULTANTS OF NORTHERN ILLINOIS, S.C. | LIBERTYVILLE, IL | Fifth Third Bank |
| $1–2 million | INFINITE PERIPHERALS, INC. | ELK GROVE VILLAGE, IL | Fifth Third Bank |
| $150,000–350,000 | INFINITY PAVING COMPANY | NORTHFIELD, OH | Fifth Third Bank |
| $150,000–350,000 | INFOCASE INC | BLUE ASH, OH | Fifth Third Bank |
| $350,000–1 million | INFRASYS, INC | SANDUSKY, OH | Fifth Third Bank |
| $150,000–350,000 | INGENIUM ENTERPRISES, INC. | TAMPA, FL | Fifth Third Bank |
| $150,000–350,000 | INGENIUM SOLUTIONS, LLC | LOUISVILLE, KY | Fifth Third Bank |
| $350,000–1 million | INGERSOLL CM SYSTEMS, LLC | MIDLAND, MI | Fifth Third Bank |
| $150,000–350,000 | INHO ENTERPRISES LLC | Cincinnati, OH | Fifth Third Bank |
| $5–10 million | INLAND FRESH SEAFOOD CORPORATION OF AMERICA, INC. | TUCKER, GA | Fifth Third Bank |
| $150,000–350,000 | INLOES MECHANICAL, INC | HAMILTON, OH | Fifth Third Bank |
| $150,000–350,000 | INM CHECK CASHING SERVICE INC. | BROOKLYN, NY | Fifth Third Bank |
| $150,000–350,000 | INMARKETSOLUTION INC. | Schaumburg, IL | Fifth Third Bank |
| $150,000–350,000 | INMARKETSOLUTION, INC. | SCHAUMBURG, IL | Fifth Third Bank |
| $350,000–1 million | INN - OHIO OF ATHENS, INC. | Athens, OH | Fifth Third Bank |
| $350,000–1 million | INN-OHIO OF ATHENS INC DBA OHIO UNIVERSITY INN | Athens, OH | Fifth Third Bank |
| $150,000–350,000 | INNER CITY CHECK CASHING & PAYROLL SERVICES CORP. | NEW ROCHELLE, NY | Fifth Third Bank |
| $150,000–350,000 | INNES & LOTITO, P.C. | MACOMB, MI | Fifth Third Bank |
| $150,000–350,000 | INNOPPL, INC. | ATLANTA, GA | Fifth Third Bank |
| $150,000–350,000 | INNOTEK MEDICAL PRODUCTS INC. | Oak Brook, IL | Fifth Third Bank |
| $1–2 million | INNOVATED STAFFING, LLC | ARLINGTON HEIGHTS, IL | Fifth Third Bank |
| $150,000–350,000 | INNOVATIONS DESIGN GROUP INC | Orlando, FL | Fifth Third Bank |
| $1–2 million | INNOVATIVE FOOD HOLDINGS, INC | BONITA SPRINGS, FL | Fifth Third Bank |
| $350,000–1 million | INNOVATIVE GOURMET LLC | Mountain Top, PA | Fifth Third Bank |
| $150,000–350,000 | INNOVATIVE MARKETING & SALES, INC. | STERLING HEIGHTS, MI | Fifth Third Bank |
| $350,000–1 million | INNOVATIVE RECRUITING SOLUTIONS, INC. | MATTOON, IL | Fifth Third Bank |
| $150,000–350,000 | INNOVATIVE SOFTWARE SERVICES INC | Eaton Rapids, MI | Fifth Third Bank |
| $150,000–350,000 | INNOVATIVE SOFTWARE SERVICES, INC. | EATON RAPIDS, MI | Fifth Third Bank |
| $350,000–1 million | INNOVATIVE SOFTWARE SOLUTIONS LTD. | Grand Rapids, MI | Fifth Third Bank |
| $1–2 million | INNOVATIVE SOLUTIONS UNLIMITED, L.L.C | PIKETON, OH | Fifth Third Bank |
| $5–10 million | INNOVATIVE STAFF SOLUTIONS, INC. | MATTOON, IL | Fifth Third Bank |