| ZIRKELBACH STRATEGIES | Washington | DC | 3 | 2026-05-17 |
| ZIONIST ORGANIZATION OF AMERICA | WASHINGTON | DC | 1 | 2026-05-17 |
| ZERO MILE STRATEGIES | Washington | DC | 2 | 2026-05-17 |
| YMCA OF THE USA | Washington | DC | 1 | 2026-05-17 |
| YC CONSULTING, LLC | Washington | DC | 2 | 2026-05-17 |
| XR ASSOCIATION | WASHINGTON | DC | 2 | 2026-05-17 |
| WT ENERGY LLC | Washington | DC | 1 | 2026-05-17 |
| WSP USA (FKA AS PARSONS BRINCKERHOFF, INC.) | Washington | DC | 1 | 2026-05-17 |
| WOMBLE BOND DICKINSON US LLP | Washington | DC | 1 | 2026-05-17 |
| WISE CAPITAL STRATEGY, LLC | Washington | DC | 3 | 2026-05-17 |
| WINNING STRATEGIES WASHINGTON | WASHINGTON | DC | 88 | 2026-05-17 |
| WINE AND SPIRITS WHOLESALERS OF AMERICA, INC | WASHINGTON | DC | 1 | 2026-05-17 |
| WILMER CUTLER PICKERING HALE AND DORR LLP | Washington | DC | 19 | 2026-05-17 |
| WILLIAMS AND JENSEN, PLLC | Washington | DC | 90 | 2026-05-17 |
| WILEY REIN LLP | Washington | DC | 1 | 2026-05-17 |
| WHITMER & WORRALL, LLC | Washington | DC | 6 | 2026-05-17 |
| WHEAT SHROYER GOVERNMENT RELATIONS LLC | Washington | DC | 15 | 2026-05-17 |
| WELSH ROSE, LLC | Washington | DC | 7 | 2026-05-17 |
| WEC ENERGY GROUP | WASHINGTON | DC | 1 | 2026-05-17 |
| WATERWAYS COUNCIL, INC. | Washington | DC | 1 | 2026-05-17 |
| WATER STRATEGIES, LLC | Washington | DC | 25 | 2026-05-17 |
| WATER AND POWER LAW GROUP | Washington | DC | 4 | 2026-05-17 |
| WASHINGTON POLICY & ANALYSIS | WASHINGTON | DC | 1 | 2026-05-17 |
| WASHINGTON NAVIGATORS | Washington | DC | 2 | 2026-05-17 |
| WANETA STRATEGIES, LLC | Washington | DC | 2 | 2026-05-17 |
| W STRATEGIES, LLC | Washington | DC | 13 | 2026-05-17 |
| VOTEVETS ACTION FUND, INC. | Washington | DC | 1 | 2026-05-17 |
| VNF SOLUTIONS, LLC | Washington | DC | 11 | 2026-05-17 |
| VITA INCLINATA TECHNOLOGIES, INC. | Washington | DC | 1 | 2026-05-17 |
| VIRGIN GALACTIC, LLC | Washington | DC | 1 | 2026-05-17 |
| VINYL INSTITUTE | Washington | DC | 1 | 2026-05-17 |
| VETERANS OF FOREIGN WARS OF THE UNITED STATES | WASHINGTON | DC | 1 | 2026-05-17 |
| VERITAS HEALTH POLICY, LLC | Washington | DC | 11 | 2026-05-17 |
| VENN STRATEGIES | WASHINGTON | DC | 54 | 2026-05-17 |
| VENG GROUP | Washington | DC | 1 | 2026-05-17 |
| VENABLE LLP | Washington | DC | 134 | 2026-05-17 |
| VELOCITY GOVERNMENT RELATIONS, LLC | Washington | DC | 2 | 2026-05-17 |
| VECTIS DC | Washington | DC | 7 | 2026-05-17 |
| VDMA AMERICA, INC. (FORMERLY KNOWN AS VDMA WASHINGTON, INC.) | washington | DC | 1 | 2026-05-17 |
| VAST, INC. (FKA VAST SPACE LLC) | Washington | DC | 1 | 2026-05-17 |
| VANTIVE US HEALTHCARE LLC | Washington | DC | 1 | 2026-05-17 |
| VAN SCOYOC ASSOCIATES | Washington | DC | 151 | 2026-05-17 |
| VAN NESS FELDMAN, LLP | Washington | DC | 33 | 2026-05-17 |
| VALCOUR LLC | Washington | DC | 12 | 2026-05-17 |
| VACCINATE YOUR FAMILY | Washington | DC | 1 | 2026-05-17 |
| USA-ITA DBA UNITED STATES FASHION INDUSTRY ASSOCIATION | Washington | DC | 1 | 2026-05-17 |
| US-INDIA STRATEGIC PARTNERSHIP FORUM, INC. | Washington | DC | 1 | 2026-05-17 |
| URAC | Washington | DC | 1 | 2026-05-17 |
| UNIVERSITY OF NOTRE DAME | Washington | DC | 1 | 2026-05-17 |
| UNIVERSITY OF KANSAS | Washington | DC | 1 | 2026-05-17 |
| UNIVERSITY OF ALASKA | Washington | DC | 1 | 2026-05-17 |
| UNITED NEGRO COLLEGE FUND, INC. | Washington | DC | 1 | 2026-05-17 |
| UNITED FOOD & COMMERCIAL WORKERS INTERNATIONAL UNION | WASHINGTON | DC | 1 | 2026-05-17 |
| UNITED BY INTEREST, LLC. | Washington | DC | 3 | 2026-05-17 |
| UNION PACIFIC CORPORATION | WASHINGTON | DC | 1 | 2026-05-17 |
| U.S. PUBLIC INTEREST RESEARCH GROUP | WASHINGTON | DC | 1 | 2026-05-17 |
| U.S. LUMBER COALITION | Washington | DC | 1 | 2026-05-17 |
| U.S. FUND FOR UNICEF | WASHINGTON | DC | 2 | 2026-05-17 |
| U.S. BANCORP (FORMERLY FILED AS U.S. BANK) | WASHINGTON | DC | 1 | 2026-05-17 |
| TWINLOGIC STRATEGIES, LLP | Washington | DC | 3 | 2026-05-17 |
| TWENTY-FIRST CENTURY GROUP, INC. | Washington | DC | 8 | 2026-05-17 |
| TSG ADVOCATES DC, LLC | Washington DC | DC | 52 | 2026-05-17 |
| TROUTMAN STRATEGIES | Washington | DC | 12 | 2026-05-17 |
| TRILOGY ADVISORS LLC | Washington | DC | 5 | 2026-05-17 |
| TREATED WOOD COUNCIL | WASHINGTON | DC | 2 | 2026-05-17 |
| TRANSPARENCY INTERNATIONAL U.S. (A PROJECT OF THE FUND FOR CONSTITUTIONAL GOVT) | Washington | DC | 1 | 2026-05-17 |
| TRANSNATIONAL STRATEGY GROUP LLC | Washington | DC | 1 | 2026-05-17 |
| TRANE TECHNOLOGIES COMPANY LLC (FKA INGERSOLL RAND, TRANE, AMERICAN STANDARD) | Washington | DC | 1 | 2026-05-17 |
| TOWER STRATEGY, LLC | Washington | DC | 9 | 2026-05-17 |
| TORREY ADVISORY GROUP (FORMERLY MICHAEL TORREY ASSOCIATES, LLC) | Washington | DC | 1 | 2026-05-17 |
| TORRES CONSULTING, LLC | Washington | DC | 2 | 2026-05-17 |
| TOPSOE, INC. | Washington | DC | 2 | 2026-05-17 |
| TIDAL BASIN ADVISORS, INC. | Washington | DC | 2 | 2026-05-17 |
| TIBER CREEK HEALTH STRATEGIES, INC. | Washington | DC | 5 | 2026-05-17 |
| TIBER CREEK GROUP | Washington | DC | 68 | 2026-05-17 |
| THORN RUN PARTNERS | Washington | DC | 298 | 2026-05-17 |
| THOMPSON HINE LLP | Washington | DC | 1 | 2026-05-17 |
| THOMPSON COBURN LLP | Washington | DC | 1 | 2026-05-17 |
| THOLOS GOVERNMENT RELATIONS | Washington | DC | 4 | 2026-05-17 |
| THEGROUP DC, LLC | Washington | DC | 16 | 2026-05-17 |
| THE WILLIAMS GROUP | Washington | DC | 1 | 2026-05-17 |
| THE WESSEL GROUP INCORPORATED | Washington | DC | 2 | 2026-05-17 |
| THE WAYFINDER GROUP | Washington | DC | 33 | 2026-05-17 |
| THE WASHINGTON TAX & PUBLIC POLICY GROUP | Washington | DC | 30 | 2026-05-17 |
| THE VOGEL GROUP | Washington | DC | 42 | 2026-05-17 |
| THE VM GROUP | Washington | DC | 2 | 2026-05-17 |
| THE TRANSPORT PROJECT FKA NGVAMERICA | WASHINGTON | DC | 1 | 2026-05-17 |
| THE SUSQUEHANNA GROUP | Washington | DC | 1 | 2026-05-17 |
| THE SOCCI LAW FIRM, PLLC (FKA INFLUENCE STRATEGIES) | Washington | DC | 1 | 2026-05-17 |
| THE SMITH-FREE GROUP, LLC | Washington | DC | 6 | 2026-05-17 |
| THE ROYER LAW FIRM (FORMERLY ROYER & BROOKS) | Washington | DC | 6 | 2026-05-17 |
| THE ROOSEVELT GROUP | Washington | DC | 12 | 2026-05-17 |
| THE RESERVE COMPONENT | Washington | DC | 12 | 2026-05-17 |
| THE PICARD GROUP, LLC | Washington | DC | 36 | 2026-05-17 |
| THE PETRIZZO GROUP, INC. | Washington | DC | 18 | 2026-05-17 |
| THE PERSONAL CARE PRODUCTS COUNCIL | WASHINGTON | DC | 1 | 2026-05-17 |
| THE PATRIOTIC MILLIONAIRES LLC | Washington | DC | 1 | 2026-05-17 |
| THE PARZIVAL GROUP | Washington | DC | 2 | 2026-05-17 |
| THE OPTIONS CLEARING CORPORATION | WASHINGTON | DC | 1 | 2026-05-17 |
| THE ONEILL GROUP, LLC | Washington | DC | 4 | 2026-05-17 |