| $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 |
| $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. C. STRUPP JR., D.D.S., P.A. | CLEARWATER, FL | Fifth Third Bank |
| $350,000–1 million | WM. FLOYD HEATING CO. | Howell, MI | Fifth Third Bank |
| $150,000–350,000 | WM. G. UHL AGENCY, INC | DAYTON, OH | Fifth Third Bank |
| $350,000–1 million | WNB GROUP LLC | Cincinnati, 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 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 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 FREIGHTLINER WESTSIDE, INC. | YPSILANTI, MI | Fifth Third Bank |
| $350,000–1 million | WOLVERINE TRUCK SALES INC. | Dearborn, 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 L.L.P. | Cincinnati, OH | 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 |
| $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 |
| $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 |
| $1–2 million | WOODHAVEN OF LIVONIA | Livonia, MI | 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 |
| $150,000–350,000 | WOODLOGIC CUSTOM MILLWORK INC. | Elk Grove Village, 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 |
| $150,000–350,000 | WORLD CLASS GROUNDS MANAGEMENT COMPANY INCORPORATED | Carleton, MI | Fifth Third Bank |
| $350,000–1 million | WORLD EXPRESS SHIPPING, TRANSPORTATION AND FORWARDING SERVIC | 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 | WORLDBRIDGE PARTNERS INC. | Oak Brook, IL | Fifth Third Bank |
| $350,000–1 million | WORLDPOINT ECC INC. | WHEELING, IL | 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 |
| $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 |
| $350,000–1 million | WORN JERABEK WILTSE ARCHITECTS PC | Chicago, IL | 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 S | Columbus, OH | Fifth Third Bank |
| $350,000–1 million | WORTHINGTON PEDIATRIC DENTISTS, INC. WILLIAM V. FALK, DDS, S | 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 |
| $1–2 million | WRIGHT PLASTIC PRODUCTS CO LLC | Sheridan, MI | Fifth Third Bank |
| $150,000–350,000 | WRIGHT PUB LLC | Avon, OH | Fifth Third Bank |
| $150,000–350,000 | WTC SUB LLC | Saint Joseph, 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 |
| $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 | XPERTPACK INC. | Vandalia, OH | 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 |
| $150,000–350,000 | YBOR GRILLE LLC | Ruskin, FL | 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 | 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 | YOUNA MECHANICAL, INC | Elk Grove Village, IL | Fifth Third Bank |
| $1–2 million | YOUNG CHEVROLET CADILLAC INC | OWOSSO, MI | 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 |
| $350,000–1 million | YOUTH HAVEN INC | Naples, FL | Fifth Third Bank |
| $150,000–350,000 | YOUTH HAVEN, INC. | NAPLES, FL | Fifth Third Bank |
| $350,000–1 million | YS PRECISION STAMPING INC. | GEORGETOWN, KY | Fifth Third Bank |
| $350,000–1 million | YUMA SUN INC | Marion, IL | Fifth Third Bank |
| $1–2 million | YUSHIRO MANUFACTURING AMERICA, INC. | Shelbyville, IN | Fifth Third Bank |