| $2–5 million | VOGEL BROS. BUILDING CO. | MADISON, WI | First Business Bank |
| $350,000–1 million | WEB COURSEWORKS LTD | MADISON, WI | Settlers Bank |
| $2–5 million | WEGNER CPAS, LLP | MADISON, WI | First Business Bank |
| $150,000–350,000 | WEILAND TRANSPORT INC | MADISON, WI | Associated Bank, National Association |
| $150,000–350,000 | WELLBE INC | MADISON, WI | JPMorgan Chase Bank, National Association |
| $150,000–350,000 | WELLS PRINT & DIGITAL SERVICES INC. | MADISON, WI | Oak Bank |
| $150,000–350,000 | WES PRO II, LLC | MADISON, WI | American National Bank-Fox Cities |
| $150,000–350,000 | WEST TOWN MONONA TIRE, INC. | MADISON, WI | Capitol Bank |
| $5–10 million | WESTPHAL & COMPANY, INC. | MADISON, WI | First Business Bank |
| $150,000–350,000 | WESTSIDE PSYCHOTHERAPY LLC | MADISON, WI | Summit CU |
| $150,000–350,000 | WHEELER, VAN SICKLE & ANDERSON, S.C. | MADISON, WI | BMO Bank National Association |
| $150,000–350,000 | WI FOUNDATION FOR EDUCATIONAL ADMIN | MADISON, WI | U.S. Bank, National Association |
| $350,000–1 million | WICELL RESEARCH INSTITUTE, INC. | MADISON, WI | BMO Bank National Association |
| $1–2 million | WILDWOOD FAMILY CLINIC S.C. | MADISON, WI | Oak Bank |
| $2–5 million | WILLIAMSON STREET GROCERY CO-OP | MADISON, WI | Summit CU |
| $350,000–1 million | WIND RIVER FINANCIAL, INC. | MADISON, WI | Associated Bank, National Association |
| $350,000–1 million | WINGRA SCHOOL INC. | MADISON, WI | Oak Bank |
| $350,000–1 million | WISCNET | MADISON, WI | Lake Ridge Bank |
| $150,000–350,000 | WISCONSIN ANIMAL GROUP | MADISON, WI | U.S. Bank, National Association |
| $150,000–350,000 | WISCONSIN ASSOCIATION OF INDEPENDENT COLLEGES AND UNIVERSITI | MADISON, WI | Associated Bank, National Association |
| $150,000–350,000 | WISCONSIN AUDIO VIDEO, INC. | MADISON, WI | Midwest Heritage Bank, F.S.B. |
| $350,000–1 million | WISCONSIN AUTO CENTER LLC | MADISON, WI | National Bank of Commerce |
| $1–2 million | WISCONSIN AVIATION - FOUR LAKES, INC. | MADISON, WI | BMO Bank National Association |
| $150,000–350,000 | WISCONSIN CENTER FOR EDUCATION PRODUCTS AND SERVICES | MADISON, WI | First Business Bank |
| $150,000–350,000 | WISCONSIN CHAMBER ORCHESTRA, INC. | MADISON, WI | The Park Bank |
| $150,000–350,000 | WISCONSIN COLLABORATIVE FOR HEALTHCARE QUALITY | MADISON, WI | First Business Bank |
| $150,000–350,000 | WISCONSIN COUNCIL OF THE BLIND & VISUALLY IMPAIRED INC | MADISON, WI | Associated Bank, National Association |
| $350,000–1 million | WISCONSIN COUNTIES ASSOCIATION | MADISON, WI | Johnson Bank |
| $350,000–1 million | WISCONSIN FOAM PRODUCTS, INC | MADISON, WI | Oak Bank |
| $150,000–350,000 | WISCONSIN HEALTH INFORMATION ORGANIZATION, INC. | MADISON, WI | First Business Bank |
| $150,000–350,000 | WISCONSIN HISTORICAL FOUNDATION, INC. | MADISON, WI | First Business Bank |
| $150,000–350,000 | WISCONSIN MANAGEMENT COMPANY INC. | MADISON, WI | Johnson Bank |
| $150,000–350,000 | WISCONSIN MEDICAL SOCIETY INSURANCE AND FINANCIAL SERVICES, | MADISON, WI | First Business Bank |
| $350,000–1 million | WISCONSIN PROPERTY MANAGEMENT COMPANY | MADISON, WI | Johnson Bank |
| $150,000–350,000 | WISCONSIN WOMEN'S HEALTH FOUNDATION, INC. | MADISON, WI | Johnson Bank |
| $350,000–1 million | WISCONSIN YOUTH COMPANY INC. | MADISON, WI | Wisconsin Bank and Trust, A Division of HTLF Bank |
| $150,000–350,000 | WISYS TECHNOLOGY FOUNDATION, INC. | MADISON, WI | BMO Bank National Association |
| $150,000–350,000 | WOODLAND MONTESSORI SCHOOL, INC. | MADISON, WI | Wisconsin Bank and Trust, A Division of HTLF Bank |
| $150,000–350,000 | WORK PLUS, INC. | MADISON, WI | Oak Bank |
| $150,000–350,000 | WORLD DAIRY EXPO, INC. | MADISON, WI | First Business Bank |
| $350,000–1 million | YAHARA SOFTWARE, LLC | MADISON, WI | The Park Bank |
| $1–2 million | YOUNG MEN'S CHRISTIAN ASSOCIATION OF DANE COUNTY, INC. | MADISON, WI | Johnson Bank |
| $350,000–1 million | YWCA MADISON INC | MADISON, WI | The Park Bank |
| $150,000–350,000 | Z-D STUDIOS, INC | MADISON, WI | Oak Bank |