| $350,000–1 million | WALINGA USA INC. | WAYLAND, MI | TCF National Bank |
| $1–2 million | WALKER SANDS, INC. | CHICAGO, IL | TCF National Bank |
| $350,000–1 million | WALLOON LAKE RECOVERY LODGE | BOYNE FALLS, MI | TCF National Bank |
| $150,000–350,000 | WALPOLE AUTO SALES | WALPOLE, MA | TCF National Bank |
| $350,000–1 million | WALSTROM MARINE, INC. | HARBOR SPRINGS, MI | TCF National Bank |
| $350,000–1 million | WALTER MECHANICAL SERVICES, INC. | FLUSHING, MI | TCF National Bank |
| $150,000–350,000 | WARDS TOWING LLC | INDIANAPOLIS, IN | TCF National Bank |
| $350,000–1 million | WAREHOUSE PROPERTIES, INC. | SOUTHFIELD, MI | TCF National Bank |
| $150,000–350,000 | WARREN PODIATRY, P.C. | WARREN, MI | TCF National Bank |
| $2–5 million | WARREN SCREW PRODUCTS INC. | WARREN, MI | TCF National Bank |
| $350,000–1 million | WASTE OPTIONS NANTUCKET, LLC | NANTUCKET, MA | TCF National Bank |
| $350,000–1 million | WASTE RECOVERY SYSTEMS, INC. | WYOMING, MI | TCF National Bank |
| $150,000–350,000 | WATERSIDE SHOPS, LLC | SOUTHFIELD, MI | TCF National Bank |
| $150,000–350,000 | WATKINS & LETOFSKY, LLP | SANTA ANA, CA | TCF National Bank |
| $350,000–1 million | WCA ASSESSING LLC | WESTLAND, MI | TCF National Bank |
| $150,000–350,000 | WCI CONTRACTORS, INC. | DETROIT, MI | TCF National Bank |
| $150,000–350,000 | WEE CARE DAY CARE NURSERY CENTER, INC. | MILWAUKEE, WI | TCF National Bank |
| $2–5 million | WELLBORN FOREST PRODUCTS, INC. | ALEXANDER CITY, AL | TCF National Bank |
| $350,000–1 million | WELLINGTON MANAGEMENT, INC. | SAINT PAUL, MN | TCF National Bank |
| $150,000–350,000 | WENDEL'S OF MT. PLEASANT, INC. | MT. PLEASANT, MI | TCF National Bank |
| $1–2 million | WESCO INDUSTRIAL PRODUCTS, LLC | NORTH WALES, PA | TCF National Bank |
| $350,000–1 million | WESSELL GENERATIONS, INC. | OBERLIN, OH | TCF National Bank |
| $350,000–1 million | WEST BAY EXPLORATION COMPANY | TRAVERSE CITY, MI | TCF National Bank |
| $150,000–350,000 | WEST BAY GEOPHYSICAL INCORPORATED | TRAVERSE CITY, MI | TCF National Bank |
| $350,000–1 million | WEST FRONT PRIMARY CARE P.L.L.C. | TRAVERSE CITY, MI | TCF National Bank |
| $150,000–350,000 | WEST MICHIGAN GRINDING SERVICE, INC. | MUSKEGON, MI | TCF National Bank |
| $150,000–350,000 | WEST MICHIGAN PEDIATRIC DENTISTRY, PLLC | HOLLAND, MI | TCF National Bank |
| $150,000–350,000 | WEST MICHIGAN REHABILITATION | HAMILTON, MI | TCF National Bank |
| $150,000–350,000 | WEST MICHIGAN VETERINARY SERVICE, PC | COOPERSVILLE, MI | TCF National Bank |
| $350,000–1 million | WEST PICO DISTRIBUTORS LLC | VERNON, CA | TCF National Bank |
| $2–5 million | WESTERN LAND SERVICES INC | LUDINGTON, MI | TCF National Bank |
| $350,000–1 million | WESTMINSTER PRESBYTERIAN CHURCH | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | WEXFORD COUNTY COUNCIL ON AGING | CADILLAC, MI | TCF National Bank |
| $2–5 million | WGS GLOBAL SERVICES, L.C. | FLINT, MI | TCF National Bank |
| $350,000–1 million | WICKFIELD PROPERTIES, LLC | ANN ARBOR, MI | TCF National Bank |
| $150,000–350,000 | WIDLAK AND PETRICHES, P.C. | ROCHESTER, MI | TCF National Bank |
| $350,000–1 million | WIELAND SALES, INC. | BAY CITY, MI | TCF National Bank |
| $150,000–350,000 | WIGBOLDY EXCAVATING, INC. | CRESTWOOD, IL | TCF National Bank |
| $150,000–350,000 | WILDE'S LLC | MUSKEGON, MI | TCF National Bank |
| $150,000–350,000 | WILDLIFE REAL ESTATE LLC | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | WILKIE BROS. CONVEYORS, INC. | MARYSVILLE, MI | TCF National Bank |
| $150,000–350,000 | WILLARD'S EQUIPMENT COMPANY | WEST BRANCH, MI | TCF National Bank |
| $350,000–1 million | WILLEY CONSTRUCTION LLC | CAPE CORAL, FL | TCF National Bank |
| $150,000–350,000 | WILLIAM C. DEAK, D.D.S. AND KAREN KRAMER, D.D.S., INC. | GRAFTON, OH | TCF National Bank |
| $150,000–350,000 | WILLIAM ELLIS COMPANY | BERKLEY, MI | TCF National Bank |
| $350,000–1 million | WILLIAMS GUN SIGHT COMPANY, INC. | DAVISON, MI | TCF National Bank |
| $150,000–350,000 | WILLIE'S DETROIT LLC | DETROIT, MI | TCF National Bank |
| $350,000–1 million | WILSON FORD LINCOLN LLC | SAGINAW, MI | TCF National Bank |
| $150,000–350,000 | WINDOW TREATMENTS, INC. | CHICAGO, IL | TCF National Bank |
| $350,000–1 million | WINSTON PRODUCTS LLC | GLENWILLOW, OH | TCF National Bank |
| $150,000–350,000 | WIRELESS LATIN ENTERTAINMENT LLC | MIAMI, FL | TCF National Bank |
| $2–5 million | WIRTZ MANUFACTURING CO, INC | PORT HURON, MI | TCF National Bank |
| $150,000–350,000 | WISCONSIN FIRE SPRINKLER INSTALLATION & INSPECTION INC. | NEW BERLIN, WI | TCF National Bank |
| $150,000–350,000 | WISER ACQUISITIONS, INC | KALAMAZOO, MI | TCF National Bank |
| $150,000–350,000 | WISH CLEANING CO INC | ORLAND PARK, IL | TCF National Bank |
| $150,000–350,000 | WISHING WELL ADULT DAY HEALTH CARE LIMITED LIABILITY COMPANY | LAWRENCE TOWNSHIP, NJ | TCF National Bank |
| $150,000–350,000 | WODIKA DEVINE, INC. | SOUTHFIELD, MI | TCF National Bank |
| $350,000–1 million | WOLVERINE GAS AND OIL CORPORATION | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | WOLVERINE OIL & SUPPLY CO., INC. | DEARBORN, MI | TCF National Bank |
| $350,000–1 million | WOMEN'S RESOURCE CENTER OF NORTHERN MICHIGAN | PETOSKEY, MI | TCF National Bank |
| $1–2 million | WONDERLAND TIRE COMPANY, INC. | BYRON CENTER, MI | TCF National Bank |
| $150,000–350,000 | WONSEY TREE SERVICE, INC. | ALMA, MI | TCF National Bank |
| $150,000–350,000 | WOODHAMS EQUIPMENT INC | WAYLAND, MI | TCF National Bank |
| $1–2 million | WORKSIGHTED, INC. | HOLLAND, MI | TCF National Bank |
| $150,000–350,000 | WORLD EXCHANGE, LLC | PHOENIX, AZ | TCF National Bank |
| $150,000–350,000 | WORLD TRADE PRESS | TRAVERSE CITY, MI | TCF National Bank |
| $150,000–350,000 | WORSWICK MOLD & TOOL, INC. | MARINE CITY, MI | TCF National Bank |
| $1–2 million | WPM CONSTRUCTION SERVICES, INC. | GRAND BLANC, MI | TCF National Bank |
| $2–5 million | WPM PROPERTIES LLC AND WPM INC | GRAND BLANC, MI | TCF National Bank |
| $350,000–1 million | WPM SOUTHERN, LLC | GRAND BLANC, MI | TCF National Bank |
| $150,000–350,000 | WRE PLYMOUTH HOLDINGS LLC | ANN ARBOR, MI | TCF National Bank |
| $350,000–1 million | WSJM, INC. | BENTON HARBOR, MI | TCF National Bank |
| $350,000–1 million | WSM MANUFACTURING LLC | TUALATIN, OR | TCF National Bank |
| $150,000–350,000 | WUIS VALUE DRUGS INC. | SOUTH HAVEN, MI | TCF National Bank |
| $350,000–1 million | WYANDOTTE ELECTRIC SUPPLY COMPANY INC | WYANDOTTE, MI | TCF National Bank |
| $2–5 million | WYATT BENSON | TRAVERSE CITY, MI | TCF National Bank |
| $350,000–1 million | XCEL HEALTHCARE PROVIDERS, INC. | CLEVELAND HEIGHTS, OH | TCF National Bank |
| $150,000–350,000 | XLT ENGINEERING | KAWKAWLIN, MI | TCF National Bank |
| $2–5 million | XTREME POWERLINE CONSTRUCTION, INC. | PORT HURON, MI | TCF National Bank |
| $350,000–1 million | XVIVO PERFUSION INC | ENGLEWOOD, CO | TCF National Bank |
| $150,000–350,000 | YACHT BASIN CORPORATION | HOLLAND, MI | TCF National Bank |
| $150,000–350,000 | YANGTZE, INC. | SAINT LOUIS PARK, MN | TCF National Bank |
| $350,000–1 million | YELLOW ROSE TRANSPORT INC | GRANDVILLE, MI | TCF National Bank |
| $350,000–1 million | YESHIVA CHOFETZ CHAIM INC. | MONSEY, NY | TCF National Bank |
| $2–5 million | YESHIVATH BETH YEHUDAH | SOUTHFIELD, MI | TCF National Bank |
| $150,000–350,000 | YOUNG CHILD ASSOCIATES, INC | BATTLE CREEK, MI | TCF National Bank |
| $150,000–350,000 | YOUNG EXPLORERS OF STREETSBORO | STREETSBORO, OH | TCF National Bank |
| $150,000–350,000 | YOUNG EXPLORERS OF TWINSBURG, LLC | TWINSBURG, OH | TCF National Bank |
| $150,000–350,000 | YOUNG EXPLORERS, LLC | AURORA, OH | TCF National Bank |
| $350,000–1 million | YOUNGBLOOD AIR SYSTEMS LLC | GRAND RAPIDS, MI | TCF National Bank |
| $150,000–350,000 | YOUNGSTOWN OXYGEN & WELDING SUPPLY | YOUNGSTOWN, OH | TCF National Bank |
| $350,000–1 million | YOUTH INTENSIVE SERVICES INC | YOUNGSTOWN, OH | TCF National Bank |
| $350,000–1 million | Z-MAN'S PIZZA, INC. | TUSCALOOSA, AL | TCF National Bank |
| $350,000–1 million | ZAHN BUILDERS, INC. | HOLLAND, MI | TCF National Bank |
| $2–5 million | ZAUSMER, P.C. | FARMINGTON, MI | TCF National Bank |
| $350,000–1 million | ZEEZ PROPERTIES, L.L.C. | TRAVERSE CITY, MI | TCF National Bank |
| $150,000–350,000 | ZEIMET - WOZNIAK AND ASSOCIATES, INC | NEW HUDSON, MI | TCF National Bank |
| $150,000–350,000 | ZERVOS GROUP, INC. | SOUTHFIELD, MI | TCF National Bank |
| $150,000–350,000 | ZF DENTAL GROUP, PLC | ZEELAND, MI | TCF National Bank |
| $350,000–1 million | ZIG CORP | BROOKLYN, NY | TCF National Bank |