| $1–2 million | WEYMOUTH CLUB INC | Weymouth, MA | Eastern Bank |
| $1–2 million | WEYMOUTH CLUB INC | WEYMOUTH, MA | Eastern Bank |
| $150,000–350,000 | WH TECHNOLOGIES, INC. | BRAINTREE, MA | Eastern Bank |
| $150,000–350,000 | WHITE HERON TEA LLC | Portsmouth, NH | Eastern Bank |
| $150,000–350,000 | WHITE STREET PAINT & WALLPAPER CO., INC. | LAWRENCE, MA | Eastern Bank |
| $350,000–1 million | WHITE TRUCK LLC | Boston, MA | Eastern Bank |
| $150,000–350,000 | WHITE TRUCK LLC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | WHITMAN DONUTS INC | WHITMAN, MA | Eastern Bank |
| $150,000–350,000 | WHITNEY BUILDING PRODUCT | Boston, MA | Eastern Bank |
| $150,000–350,000 | WHITNEY BUILDING PRODUCTS INC | ROXBURY, MA | Eastern Bank |
| $150,000–350,000 | WILDERWORK PBC | Arlington, VA | Eastern Bank |
| $150,000–350,000 | WILDERWORK PBC | Arlington, VA | Eastern Bank |
| $150,000–350,000 | WILDLIFE ACOUSTICS, INC. | MAYNARD, MA | Eastern Bank |
| $150,000–350,000 | WILL-GEORGE INC | Cambridge, MA | Eastern Bank |
| $150,000–350,000 | WILL-GEORGE, INC. | CAMBRIDGE, MA | Eastern Bank |
| $350,000–1 million | WILLARD A. TOMPKINS, INC | DANVERS, MA | Eastern Bank |
| $1–2 million | WILLIAM B RICE EVENTIDE HOME | SOUTH WEYMOUTH, MA | Eastern Bank |
| $150,000–350,000 | WILLIAM H. GLANCY & SONS, INC. | AVON, MA | Eastern Bank |
| $350,000–1 million | WILLIAMSON CORPORATION | CONCORD, MA | Eastern Bank |
| $350,000–1 million | WILLIAMSON CORPORATION | Concord, MA | Eastern Bank |
| $150,000–350,000 | WILMINGTON COLD STORAGE | WILMINGTON, MA | Eastern Bank |
| $350,000–1 million | WILSON BUTER ARCHITECTS INC | BOSTON, MA | Eastern Bank |
| $350,000–1 million | WILSON BUTLER ARCHITECTS | Boston, MA | Eastern Bank |
| $350,000–1 million | WINBROOK COMMUNICATIONS | Billerica, MA | Eastern Bank |
| $350,000–1 million | WINBROOK COMMUNICATIONS SERVICES INC | BILLERICA, MA | Eastern Bank |
| $1–2 million | WINCHESTER NURSING CENTER INC | WINCHESTER, MA | Eastern Bank |
| $350,000–1 million | WINELAND-THOMSON ADVENTURES, INC. | Watertown, MA | Eastern Bank |
| $350,000–1 million | WINELAND-THOMSON ADVENTURES, INC. | WATERTOWN, MA | Eastern Bank |
| $1–2 million | WINSLOW TECHNOLOGY GROUP, LLC | WALTHAM, MA | Eastern Bank |
| $2–5 million | WINSTON FLOWERS INC. | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | WIT CORP | Harwich, MA | Eastern Bank |
| $350,000–1 million | WIT CORP. | HARWICH, MA | Eastern Bank |
| $150,000–350,000 | WLC COMMERCIAL PROPERTY | Peabody, MA | Eastern Bank |
| $150,000–350,000 | WLC COMMERCIAL PROPERTY SERVICES, INC. | PEABODY, MA | Eastern Bank |
| $1–2 million | WOBURN NURSING CENTER IN | Woburn, MA | Eastern Bank |
| $1–2 million | WOBURN NURSING CENTER INC | WOBURN, MA | Eastern Bank |
| $1–2 million | WOBURN PEDIATRIC ASSOCIATES, LLP | WOBURN, MA | Eastern Bank |
| $150,000–350,000 | WOLLASTON LUTHERAN CHURC | Quincy, MA | Eastern Bank |
| $150,000–350,000 | WOMEN'S LUNCH PLACE | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | WOOD TRUCKING CORPORATION | PEABODY, MA | Eastern Bank |
| $350,000–1 million | WOODCRAFT DESIGNERS & BU | Canton, MA | Eastern Bank |
| $350,000–1 million | WOODCRAFT DESIGNERS & BUILDERS LLC | CANTON, MA | Eastern Bank |
| $350,000–1 million | WOODLAND PARTNERS, INC. | FRANKLIN, MA | Eastern Bank |
| $350,000–1 million | WOODROW MICHEL ASSOCIATE | Newton, MA | Eastern Bank |
| $350,000–1 million | WOODROW MICHEL ASSOCIATES CORPORATION | NEWTONVILLE, MA | Eastern Bank |
| $150,000–350,000 | WOODSTOCK CORPORATION | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | WOODSTOCK SERVICES COMPANY LLC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | WOOF LLC | Lexington, MA | Eastern Bank |
| $150,000–350,000 | WOOF, LLC | Belmont, MA | Eastern Bank |
| $350,000–1 million | WORCESTER TRUMBULL STREE | Hooksett, NH | Eastern Bank |
| $350,000–1 million | WORCESTER TRUMBULL STREET HOTEL LLC | HOOKSETT, NH | Eastern Bank |
| $350,000–1 million | WORKBAR LLC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | WORKBAR LLC | Boston, MA | Eastern Bank |
| $150,000–350,000 | WORKS BY JESSE DEBENEDICTIS, LLC | BEVERLY, MA | Eastern Bank |
| $150,000–350,000 | WORKSMART SYSTEMS INC | Peabody, MA | Eastern Bank |
| $350,000–1 million | WROBEL ENGINEERING CO., INC. | AVON, MA | Eastern Bank |
| $350,000–1 million | WS AIKEN LLC | CHELSEA, MA | Eastern Bank |
| $350,000–1 million | WYCHMERE HARBOR FUNCTIONS LIMITED PARTNERSHIP | HARWICH PORT, MA | Eastern Bank |
| $350,000–1 million | WYCHMERE HARBOR FUNCTIONS LIMITED PARTNERSHIP | Harwich Port, MA | Eastern Bank |
| $1–2 million | XOS TECHNOLOGIES, INC. | WILMINGTON, MA | Eastern Bank |
| $150,000–350,000 | XTECHNOLOGY GLOBAL, LLC | MIDDLETON, MA | Eastern Bank |
| $350,000–1 million | YANKEE SPRINKLER CO., INC. | EAST BRIDGEWATER, MA | Eastern Bank |
| $150,000–350,000 | YANNI INC. | Brookline, MA | Eastern Bank |
| $150,000–350,000 | YANNI, INC. | BROOKLINE, MA | Eastern Bank |
| $350,000–1 million | YORK FORD INC | Saugus, MA | Eastern Bank |
| $350,000–1 million | YORK FORD PARTNERSHIP LLC | SAUGUS, MA | Eastern Bank |
| $150,000–350,000 | YOUNG WOMEN'S CHRISTIAN ASSOCIATION OF MALDEN | MALDEN, MA | Eastern Bank |
| $150,000–350,000 | YOUR NEXT MEAL INC. | Plymouth, MA | Eastern Bank |
| $150,000–350,000 | YWCA ASSOCIATION OF BOSTON INC | BOSTON, MA | Eastern Bank |
| $150,000–350,000 | Z & M CORPORATION | Natick, MA | Eastern Bank |
| $350,000–1 million | ZAVOO INC | Cambridge, MA | Eastern Bank |
| $150,000–350,000 | ZAVOO INC. | CAMBRIDGE, MA | Eastern Bank |