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 |
|---|---|---|
| ADOBE INC | Washington, DC | Active 2007–2026 |
| ADOMI ADVISORY GROUP PLLC | Washington DC, DC | Active 2024–2025 |
| ADP TOTALSOURCE, INC. | Miami, FL | Active 2011–2016 |
| ADP, LLC | Roseland, NJ | Active 2013–2019 |
| ADRIAN ERCKENBRACK | Huntsville, AL | Active 2007–2009 |
| ADRIAN MATADEEN | Vancouver, BC, Canada | Active 2021 |
| ADRIENNE DERVARTANIAN | Kensington, MD | Active 2017–2023 |
| ADROIT ADVOCACY LLC | Rockville, MD | Active 2012–2016 |
| ADUSTON CONSULTING, LLC | Fairfax Station, VA | Active 2007–2026 |
| ADVANCE AMERICA CASH ADVANCE CENTERS, INC. | Spartanburg, SC | Active 2009–2011 |
| ADVANCE GOVERNMENTAL RELATIONS LLC | WEST PALM BEACH, FL | Active 2026 |
| ADVANCED CAPITOL CONSULTING | Washington, DC | Active 2007–2026 |
| ADVANCED CEREMETRICS | Lambertville, NJ | Active 2009–2011 |
| ADVANCED ENERGY ADVISORS | Washington, DC | Active 2017–2026 |
| ADVANCED ENERGY ECONOMY | Washington, DC | Active 2009–2018 |
| ADVANCED MEDICAL TECHNOLOGY ASSN | WASHINGTON, DC | Active 2007–2026 |
| ADVANCED MICRO DEVICES, INC. | AUSTIN, TX | Active 2007–2026 |
| ADVANCED NAVIGATION & POSITIONING CORP | Washington, DC | Active 2007–2008 |
| ADVANCED POLICY CONSULTING, LLC | Arlington, VA | Active 2015–2026 |
| ADVANCED PRACTICAL SOLUTIONS | CHICAGO, IL | Active 2007 |
| ADVANCED SPACE, LLC | Westminster, CO | Active 2026 |
| ADVANCED STRATEGIES | Boston, MA | Active 2009–2014 |
| ADVANCED STRATEGIES, INC. | Springfield, VA | Active 2012 |
| ADVANSIX INC. | Parsippany, NJ | Active 2026 |
| ADVANTA CORPORATION | WILMINGTON, DE | Active 2007–2009 |
| ADVANTAGE ASSOCIATES INTERNATIONAL | Stevensville, MD | Active 2007–2026 |
| ADVANTAGE POLITICAL AFFAIRS, LLC | Lake Oswego, OR | Active 2011–2016 |
| ADVANTUS STRATEGIES, LLC | RICHMOND, VA | Active 2014–2021 |
| ADVION (FORMERLY NATIONAL ASSOCIATION FOR THE SUPPORT OF LONG TERM CARE) | Washington, DC | Active 2009–2026 |
| ADVOCACY & COMMUNICATION SOLUTIONS, LLC | Cleveland, OH | Active 2010–2014 |
| ADVOCACY ASSOCIATES | Washington, DC | Active 2009–2026 |
| ADVOCACY SOLUTIONS | Providence, RI | Active 2010 |
| ADVOCACYBUILD, LLC | Washington, DC, DC | Active 2024–2026 |
| ADVOCATE FOR ACTION | GAINESVILLE, GA | Active 2021–2023 |
| ADVOCATE HEALTH (FKA ADVOCATE AURORA HEALTH, INC.) | Charlotte, NC | Active 2007–2026 |
| ADVOCATES FOR COMMUNITY HEALTH | Washington, DC | Active 2022–2026 |
| ADVOCATES FOR HIGHWAY AND AUTO SAFETY | WASHINGTON, DC | Active 2007–2026 |
| ADVOCATES FOR THE OTHER AMERICA, INC. | Washington, DC | Active 2012–2013 |
| ADVOCATES FOR YOUTH | Washington, DC | Active 2007–2016 |
| ADVOCATESINC DC LTD. | GREAT FALLS, VA | Active 2007–2008 |
| ADVOCATEUS | Washington, DC | Active 2021 |
| ADVOCUS PARTNERS, LLC | Washington, DC | Active 2025–2026 |
| AE INDUSTRIAL PARTNERS, LP | Washington, DC | Active 2025–2026 |
| AECOM | Washington, DC | Active 2008–2026 |
| AEGERION PHARMACEUTICALS A NOVELION THERAPEUTICS COMPANY | Cambrudge, MA | Active 2017 |
| AEGIS DEFENSE SERVICES LLC | WASHINGTON, DC | Active 2007 |
| AEGIS LLC | Washington, DC | Active 2024–2026 |
| AEOLUS AERO | JACKSON, MS | Active 2007 |
| AERCAP IRELAND LIMITED | Shannon, Ireland | Active 2025–2026 |
| AEREO, INC. | New York, NY | Active 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.