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 |
|---|---|---|
| ASTRO MECHANICA | San Francisco, CA | Active 2025–2026 |
| ASTROSCALE U.S., INC. | Denver, CO | Active 2020–2026 |
| ASURION CORPORATION | Nashville, TN | Active 2008–2012 |
| AT-SEA PROCESSORS ASSOCIATION | Seattle, WA | Active 2007–2026 |
| AT&T SERVICES, INC. AND ITS AFFILIATES | Washington, DC | Active 2007–2026 |
| ATA ACTION | WASHINGTON, DC | Active 2022–2026 |
| ATC MANAGEMENT INC. | WASHINGTON, DC | Active 2007–2011 |
| ATCITTY & VAN NORMAN LAW, LLC | Washington, DC | Active 2017–2026 |
| ATHENAHEALTH, INC. | Boston, MA | Active 2011–2026 |
| ATI, INC. (F/K/A ALLEGHENY TECHNOLOGIES INCORPORATED) | ARLINGTON, VA | Active 2018–2026 |
| ATKINS NUCLEAR SECURED | Washington, DC | Active 2016–2024 |
| ATLANTIC DIVING SUPPLY, INC. | Virginia Beach, VA | Active 2014–2022 |
| ATLANTIC MARINE HOLDING COMPANY | JACKSONVILLE, FL | Active 2007–2008 |
| ATLANTIC POLICY SOLUTIONS, LLC | Arlington, VA | Active 2017–2019 |
| ATLANTIC STRATEGIES GROUP | Washington D.C., DC | Active 2013–2026 |
| ATLAS ADVISERS LLC | Denver, CO | Active 2025 |
| ATLAS ADVOCACY | Washington, DC | Active 2013–2026 |
| ATLAS AIR WORLDWIDE HOLDINGS, INC. | Washington, DC | Active 2016–2026 |
| ATLAS CROSSING LLC | Washington, DC | Active 2018–2026 |
| ATOKA INTERNATIONAL, LLC | Arlington, VA | Active 2007–2026 |
| ATOLLETC LLC | Springfield, IL | Active 2020–2026 |
| ATRIO CONSULTING GROUP, LLC | Washington, DC | Active 2017–2026 |
| ATRIUM HEALTH-FORMERLY KNOWN AS CAROLINAS HEALTHCARE SYSTEM | CHARLOTTE, NC | Active 2007–2025 |
| ATROPOS GROUP, INC. | Arlington, VA | Active 2025–2026 |
| ATS COMMUNICATIONS, INC. (DBA SILBEY STRATEGIES) | Washington, DC | Active 2009–2026 |
| ATTICUS VENTURES, LLC | Louisville, KY | Active 2008–2009 |
| ATTICUS, LLC | Cary, NC | Active 2025–2026 |
| ATX GROUP, INC. (FORMERLY ATX TECHNOLOGIES, INC.) | IRVING, TX | Active 2007–2009 |
| AU STRATEGIES LLC | Washington, DC | Active 2022–2024 |
| AUBREY MATURIN LLC | Fayetteville, AR | Active 2024–2026 |
| AUBURN HEALTH STRATEGIES, LLC | ARLINGTON, VA | Active 2007–2026 |
| AUCTANE, INC. D/B/A SHIPSTATION GLOBAL | Austin, TX | Active 2023–2026 |
| AUDAX STRATEGIES | Washington, DC | Active 2024–2026 |
| AUGUST CARLINO | Pittsburgh, PA | Active 2008–2010 |
| AUGUSTA ASSOCIATES, LLC | louisa, VA | Active 2022–2024 |
| AUGUSTA UNIVERSITY (FORMERLY GEORGIA REGENTS UNIVERSITY) | Augusta, GA | Active 2011–2026 |
| AUGUSTUS GLOBAL ADVOCACY LLC | Downers Grove, IL | Active 2026 |
| AURA KENNY DUNN GOVERNMENT RELATIONS, LLC | ARLINGTON, VA | Active 2007 |
| AURA RENEWABLE ENERGY CORPORATION | SAINT LOUIS, MO | Active 2007 |
| AURORA ASOCIATES LLC | Washington, DC | Active 2007–2008 |
| AURORA INNOVATION, INC | Sausalito, CA | Active 2019–2026 |
| AURORA STRATEGIC ADVISORS | Minneapolis, MN | Active 2021–2026 |
| AUSTAL USA | Mobile, AL | Active 2014–2026 |
| AUSTIN COPELIN & REYES, LLC | EL PASO, TX | Active 2007–2014 |
| AUSTIN ENERGY/CITY OF AUSTIN, TEXAS | Austin, TX | Active 2008–2013 |
| AUSTIN LEGAL AND PUBLIC AFFAIRS PLLC | Austin, TX | Active 2025–2026 |
| AUTHENTEC INC. | Melbourne, FL | Active 2007–2009 |
| AUTISM SPEAKS | Washington, DC | Active 2008–2026 |
| AUTO CARE ASSOCIATION | BETHESDA, MD | Active 2007–2026 |
| AUTODESK, INC | San Francisco, CA | Active 2007–2026 |
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.