| $150,000–350,000 | WHITE SANDS POOL PLASTERING, INC. | SANFORD, FL | Fifth Third Bank |
| $150,000–350,000 | WHITE'S BRIDGE TOOLING, INC. | LOWELL, MI | Fifth Third Bank |
| $350,000–1 million | WHITECAPS PROFESSIONAL BASEBALL CORP. | COMSTOCK PARK, MI | Fifth Third Bank |
| $350,000–1 million | WHITEWATER PROCESSING CO | HARRISON, OH | Fifth Third Bank |
| $2–5 million | WHITING CORPORATION | MONEE, IL | Fifth Third Bank |
| $1–2 million | WHITING SERVICES, INC. | MONEE, IL | Fifth Third Bank |
| $150,000–350,000 | WHOLE & FREE FOODS, LLC | EVANSTON, IL | Fifth Third Bank |
| $150,000–350,000 | WIDE MERCHANT INVESTMENT INC | LOS ANGELES, CA | Fifth Third Bank |
| $150,000–350,000 | WIDE MERCHANT INVESTMENT INC. | LOS ANGELES, CA | Fifth Third Bank |
| $2–5 million | WIGHT & COMPANY | DARIEN, IL | Fifth Third Bank |
| $1–2 million | WILD ACQUISTIONS LLC | OAK PARK, MI | Fifth Third Bank |
| $350,000–1 million | WILDCAT TRUCKING, INC | HILLIARD, OH | Fifth Third Bank |
| $150,000–350,000 | WILKS COMMUNICATIONS GROUP, LLC | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | WILLIAM BREMAN JEWISH HERITAGE MUSEUM, INC. | ATLANTA, GA | Fifth Third Bank |
| $1–2 million | WILLIAM HUBER CABINET WORKS, INC. | CHICAGO, IL | Fifth Third Bank |
| $350,000–1 million | WILLIAM JERGENS, LTD | VANDALIA, OH | Fifth Third Bank |
| $150,000–350,000 | WILLIAMS & STROHM, LLC | COLUMBUS, OH | Fifth Third Bank |
| $1–2 million | WILLIAMS CHEVROLET, INC. | TRAVERSE CITY, MI | Fifth Third Bank |
| $350,000–1 million | WILLIAMS GROUP, INC. | GRAND RAPIDS, MI | Fifth Third Bank |
| $350,000–1 million | WILLIAMS-HAYWARD PROTECTIVE COATINGS, INC. | SUMMIT, IL | Fifth Third Bank |
| $1–2 million | WILLOWBROOK REHABILITATION SERVICES, INC. | BRIGHTON, MI | Fifth Third Bank |
| $1–2 million | WILSON HUNT INTERNATIONAL LTD. | WHEELING, IL | Fifth Third Bank |
| $150,000–350,000 | WIN HOLDINGS, LLC | BURR RIDGE, IL | Fifth Third Bank |
| $150,000–350,000 | WINDWARD HOSPITALITY, LLC | NAPLES, FL | Fifth Third Bank |
| $150,000–350,000 | WINDY CITY SURVEILLANCE CORPORATION | BRIDGEVIEW, IL | Fifth Third Bank |
| $150,000–350,000 | WINDY CITY TOWING, INC. | SCHILLER PARK, IL | Fifth Third Bank |
| $350,000–1 million | WINEGARDNER & HAMMONS HOTEL GROUP LLC | BLUE ASH, OH | Fifth Third Bank |
| $350,000–1 million | WINFIELD PATHOLOGY CONSULTANTS, S.C. | OAK BROOK, IL | Fifth Third Bank |
| $150,000–350,000 | WINSBY, INC. | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | WINSLOW-BROWNING, INC. | LIBERTY, IN | Fifth Third Bank |
| $1–2 million | WINZELER STAMPING COMPANY | MONTPELIER, OH | Fifth Third Bank |
| $150,000–350,000 | WIRELESS ONE LLC | GREEN ACRES, FL | Fifth Third Bank |
| $350,000–1 million | WIREMASTERS, INCORPORATED | CHICAGO, IL | Fifth Third Bank |
| $350,000–1 million | WISCONSIN VENEER & PLYWOOD | MATTOON, WI | Fifth Third Bank |
| $350,000–1 million | WITS SOLUTIONS INC | ASHBURN, VA | Fifth Third Bank |
| $150,000–350,000 | WJN ENTERPRISES, INC. | TINLEY PARK, IL | Fifth Third Bank |
| $350,000–1 million | WKS PIZZA CORPORATION | CYPRESS, CA | Fifth Third Bank |
| $150,000–350,000 | WM FLOYD HEATING CO | HOWELL, MI | Fifth Third Bank |
| $150,000–350,000 | WM. C. STRUPP JR., D.D.S., P.A. | CLEARWATER, FL | Fifth Third Bank |
| $150,000–350,000 | WM. G. UHL AGENCY, INC | DAYTON, OH | Fifth Third Bank |
| $350,000–1 million | WNB GROUP, LLC DBA RAY HAMILTON COMPANY | CINCINNATI, OH | Fifth Third Bank |
| $350,000–1 million | WOLCOTT SCHOOL | CHICAGO, IL | Fifth Third Bank |
| $150,000–350,000 | WOLF SENSORY INC | CINCINNATI, OH | Fifth Third Bank |
| $150,000–350,000 | WOLF VETERINARY SERVICES, LLC | MASON, OH | Fifth Third Bank |
| $350,000–1 million | WOLFE RESTORATION, INC. | EFFINGHAM, IL | Fifth Third Bank |
| $150,000–350,000 | WOLFER ENTERPRISES INCORPORATED | CINCINNATI, OH | Fifth Third Bank |
| $350,000–1 million | WOLVERINE FREIGHTLINER EASTSIDE, INC. | MOUNT CLEMENS, MI | Fifth Third Bank |
| $350,000–1 million | WOLVERINE FREIGHTLINER WESTSIDE, INC. | YPSILANTI, MI | Fifth Third Bank |
| $350,000–1 million | WOLVERINE TRUCK SALES, INC. | DEARBORN, MI | Fifth Third Bank |
| $150,000–350,000 | WOMEN HELPING WOMEN | CINCINNATI, OH | Fifth Third Bank |
| $150,000–350,000 | WOMEN'S HEALTH CONSULTANTS, PLC | NOVI, MI | Fifth Third Bank |
| $350,000–1 million | WOMENS TREATMENT CENTER | OAK BROOK, IL | Fifth Third Bank |
| $1–2 million | WOOD HERRON & EVANS LLP | CINCINNATI, OH | Fifth Third Bank |
| $150,000–350,000 | WOOD PARTS, INC. | ELKHART, IN | Fifth Third Bank |
| $350,000–1 million | WOOD PHILLIPS KATZ CLARK & MORTIMER | CHICAGO, IL | Fifth Third Bank |
| $5–10 million | WOOD-MIZER, LLC | INDIANAPOLIS, IN | Fifth Third Bank |
| $150,000–350,000 | WOODARD DEVELOPMENT LLC | DAYTON, OH | Fifth Third Bank |
| $350,000–1 million | WOODEN SHOE LOGISTICS LLC | CHICAGO, IL | Fifth Third Bank |
| $350,000–1 million | WOODHAVEN OF LIVONIA | LIVONIA, MI | Fifth Third Bank |
| $350,000–1 million | WOODLAND WINDOWS & DOORS, INC. | ROSELLE, IL | Fifth Third Bank |
| $350,000–1 million | WOODLOGIC CUSTOM MILLWORK, INC. | ELK GROVE VILLAGE, IL | Fifth Third Bank |
| $150,000–350,000 | WOODS CARDIOVASCULAR INTERNAL MEDICINE ASSOCIATES, P.C. | WARREN, MI | Fifth Third Bank |
| $1–2 million | WOODY BUICK-GMC, INC. | NAPERVILLE, IL | Fifth Third Bank |
| $150,000–350,000 | WORKPLACE SERVICES CORPORATION | BLOOMINGTON, IN | Fifth Third Bank |
| $350,000–1 million | WORLD AUTOMOTIVE JOLIET | JOLIET, IL | Fifth Third Bank |
| $150,000–350,000 | WORLD CLASS GROUNDS MANAGEMENT CO INC | CARLETON, MI | Fifth Third Bank |
| $350,000–1 million | WORLD EXPRESS SHIPPING, TRANSPORTATION AND FORWARDING SERVICES, INC | MIDDLEBURG HTS, OH | Fifth Third Bank |
| $350,000–1 million | WORLD FOOD PROCESSING, L.L.C. | MINNEAPOLIS, MN | Fifth Third Bank |
| $2–5 million | WORLD TIRE CORPORATION | TOLEDO, OH | Fifth Third Bank |
| $1–2 million | WORLD WIDE MOTORS INC | INDIANAPOLIS, IN | Fifth Third Bank |
| $350,000–1 million | WORLDPOINT ECC INC. | WHEELING, IL | Fifth Third Bank |
| $150,000–350,000 | WORLDWIDE HEALTHSTAFF SOLUTIONS, LTD. | CHARLOTTE, NC | Fifth Third Bank |
| $350,000–1 million | WORLDWIDE MATERIAL HANDLING PRODUCTS, LLC | ROMEOVILLE, IL | Fifth Third Bank |
| $150,000–350,000 | WORLDWIDE SPORTSWEAR, INC. | PORT ORANGE, FL | Fifth Third Bank |
| $150,000–350,000 | WORN JERABEK WILTSE ARCHITECTS PC | CHICAGO, IL | Fifth Third Bank |
| $350,000–1 million | WORSEK & VIHON LLP | CHICAGO, IL | Fifth Third Bank |
| $350,000–1 million | WORTHINGTON PEDIATRIC DENTISTS, INC. WILLIAM V. FALK, DDS, SIDNEY D. PRICE, DDS | COLUMBUS, OH | Fifth Third Bank |
| $1–2 million | WRAY WARD, LLC | CHARLOTTE, NC | Fifth Third Bank |
| $350,000–1 million | WRIGHT ENRICHMENT, INCORPORATED | LAFAYETTE, LA | Fifth Third Bank |
| $150,000–350,000 | WRIGHT NUTRITION, INC. | LAFAYETTE, LA | Fifth Third Bank |
| $150,000–350,000 | WRIGHT PHARMA, INC. | LAFAYETTE, LA | Fifth Third Bank |
| $1–2 million | WRIGHT PLASTIC PRODUCTS CO LLC | SHERIDAN, MI | Fifth Third Bank |
| $150,000–350,000 | WTC SUB LLC | SAINT JOSEPH, MI | Fifth Third Bank |
| $2–5 million | WWCP, INC. | KALKASKA, MI | Fifth Third Bank |
| $150,000–350,000 | WYNDHAM | KALAMAZOO, MI | Fifth Third Bank |
| $150,000–350,000 | WYOMING EXCAVATORS INC. | ADA, MI | Fifth Third Bank |
| $350,000–1 million | WYSER INNOVATIVE PRODUCTS, LLC | BYRON CENTER, MI | Fifth Third Bank |
| $150,000–350,000 | XLR8 ROOFING & CONSTRUCTION, LLC | SANFORD, FL | Fifth Third Bank |
| $150,000–350,000 | XPRESS CAPITAL FINANCE, LLC | KALAMAZOO, MI | Fifth Third Bank |
| $1–2 million | XTTRIUM LABORATORIES, INC. | MOUNT PROSPECT, IL | Fifth Third Bank |
| $350,000–1 million | XXII CENTURY INC. | WOODRIDGE, IL | Fifth Third Bank |
| $150,000–350,000 | Y R G INC. | FORT WAYNE, IN | Fifth Third Bank |
| $150,000–350,000 | YACOBOZZI DRAKATOS LLC | COLUMBUS, OH | Fifth Third Bank |
| $150,000–350,000 | YAEL J. CIDON, LTD. | OAK PARK, IL | Fifth Third Bank |
| $2–5 million | YMCA OF GREATER CLEVELAND | CLEVELAND, OH | Fifth Third Bank |
| $150,000–350,000 | YMCA OF SOUTH COLLIER, INC. | MARCO ISLAND, FL | Fifth Third Bank |
| $150,000–350,000 | YOUCAN,LLC | GRAND RAPIDS, MI | Fifth Third Bank |
| $1–2 million | YOUNA MECHANICAL, INC. | ELK GROVE VILLAGE, IL | Fifth Third Bank |
| $1–2 million | YOUNG CHEVROLET CADILLAC INC | OWOSSO, MI | Fifth Third Bank |
| $350,000–1 million | YOUNG CHEVROLET OF ST JOHNS, INC. | ST JOHNS, MI | Fifth Third Bank |