Lobbying firms
Every registrant in the lobbying register: firms that lobby for clients, organizations that register to lobby for themselves, and self-employed lobbyists.
12,255
registrants, A to Z
| Firm | Location | Years active |
|---|---|---|
| THOMAS A. BRIANT, P.A. | Prior Lake, MN | Active 2024–2026 |
| THOMAS ADVISORS, INC | Leesburg, VA | Active 2007–2026 |
| THOMAS B. LOCKE & ASSOCIATES LLC | Edgewater, MD | Active 2023 |
| THOMAS BRUDERLE | Oakton, VA | Active 2010–2020 |
| THOMAS CAPITOL PARTNERS INC. | Washington, DC | Active 2023–2026 |
| THOMAS CHAMPION | Gaithersburg, MD | Active 2009–2026 |
| THOMAS DAWSON | Washington, DC | Active 2011–2012 |
| THOMAS HICKEY | Boston, MA | Active 2022–2026 |
| THOMAS L. BIRCH | WASHINGTON, DC | Active 2007–2011 |
| THOMAS LOFTUS | Madison, WI | Active 2007–2009 |
| THOMAS MARQUEZ | Grapevine, TX | Active 2021–2026 |
| THOMAS MOORE | Floyd, VA | Active 2011 |
| THOMAS POWERS | INDIAN HARBOUR BEACH, FL | Active 2007–2013 |
| THOMAS R. DALY | FAIRFAX, VA | Active 2007–2011 |
| THOMAS SACHSON | Menlo Park, CA | Active 2009–2010 |
| THOMAS WALTERS & ASSOCIATES, INC. | Alexandria, VA | Active 2007–2026 |
| THOMPSON & CO, R. | GREAT FALLS, VA | Active 2007 |
| THOMPSON & HORTON LLP | Houston, TX | Active 2013–2025 |
| THOMPSON ADVISORY GROUP | Great Falls, VA | Active 2007–2024 |
| THOMPSON AND NAUGHTON INC. | WASHINGTON, DC | Active 2007–2008 |
| THOMPSON BURTON PLLC | Washington, DC | Active 2025–2026 |
| THOMPSON COBURN LLP | Washington, DC | Active 2007–2026 |
| THOMPSON CONSULTING GROUP | Tacoma, WA | Active 2007–2026 |
| THOMPSON HINE LLP | Washington, DC | Active 2007–2026 |
| THOMSON | CAMARILLO, CA | Active 2007–2008 |
| THOMSON STRATEGIES, LLC | Fresh Meadows, NY | Active 2008–2014 |
| THORN RUN PARTNERS | Washington, DC | Active 2010–2026 |
| THORNROSE VENTURES | Washington DC, DC | Active 2026 |
| THORP REED & ARMSTRONG, LLP | Pittsburgh, PA | Active 2012–2014 |
| THREE BRIDGES ADVISORS, INC. | Washington, DC | Active 2011–2013 |
| THRIVENT FINANCIAL FOR LUTHERANS | Appleton, WI | Active 2009–2026 |
| THROUGHLINE GLOBAL ADVISORS | Dallas, TX | Active 2025–2026 |
| THUNDERBIRD STRATEGIC LLC | Baltimore, MD | Active 2015–2026 |
| THUNMAN ASSOCIATES, INC. | Springfield, IL | Active 2010–2014 |
| THURGOOD MARSHALL COLLEGE FUND | Washington, DC | Active 2007–2026 |
| THURMAN GOULD, LLC | Washington, DC | Active 2007–2012 |
| THYSSENKRUPP NORTH AMERICA, INC (F/K/A THYSSENKRUPP USA, INC.) | Washington, DC | Active 2008–2013 |
| TIAA | Washington, DC | Active 2007–2026 |
| TIAHRT ENTERPRISES, LLC | Alexandria, VA | Active 2016–2026 |
| TIBER CREEK | Washington, DC | Active 2007–2021 |
| TIBER CREEK ASSOCIATES OF CAPITOL HILL, INC. | washington, DC | Active 2007–2026 |
| TIBER CREEK GROUP | Washington, DC | Active 2007–2026 |
| TIBER CREEK HEALTH STRATEGIES, INC. | Washington, DC | Active 2011–2026 |
| TIBER HUDSON LLC | Washington, DC | Active 2014–2020 |
| TIBONI ASSOCIATES, INC. | Harrisburg, PA | Active 2009–2010 |
| TICKETNETWORK | South Windsor, CT | Active 2009–2016 |
| TIDAL BASIN ADVISORS, INC. | Washington, DC | Active 2023–2025 |
| TIDAL STRATEGIES, LLC | Edgewater, MD | Active 2022–2026 |
| TIDES CENTER | San Francisco, CA | Active 2007–2017 |
| TIDES FOUNDATION | San Francisco, CA | Active 2011–2014 |
Names and addresses as the register lists them. Years active spans the first and latest year of any filing by the registrant, including registrations and amendments.