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 |
|---|---|---|
| LEGG, PERKINS & ASSOCIATES, LLC | Washington, DC | Active 2007–2010 |
| LEGI/X COMPANY | Albuquerque, NM | Active 2007–2015 |
| LEGISLATIVE ALLIANCES | Washington, DC | Active 2009–2010 |
| LEGISLATIVE ASSOCIATES | Stillwater, MN | Active 2007–2012 |
| LEGISLATIVE INITIATIVES, LLC | ARLINGTON, VA | Active 2007–2009 |
| LEGISLATIVE STRATEGIES AND SOLUTIONS, LLC | Washington, DC | Active 2013–2016 |
| LEGISLATIVE STRATEGIES CA | Bonita, CA | Active 2010–2016 |
| LEGISLATIVE STRATEGIES, INC. | WASHINGTON, DC | Active 2007–2020 |
| LEGISLAW | WASHINGTON, DC | Active 2007–2008 |
| LEGO SYSTEMS, INC. | Washington, DC | Active 2023–2026 |
| LEHIGH UNIVERSITY | Bethlehem, PA | Active 2017–2026 |
| LEHIGH VALLEY HEALTH NETWORK | Bethlehem, PA | Active 2008–2024 |
| LEHMAN BROTHERS, INC. | WASHINGTON, DC | Active 2007–2008 |
| LEHMAN BUSINESS SERVICES LLC | Brooksville, FL | Active 2009 |
| LEHMAN NILON & ASSOCIATES, LLC | Sarasota, FL | Active 2018–2026 |
| LEIDOS INNOVATIONS CORPORATION | Reston, VA | Active 2018 |
| LEIDOS, INC. | Reston, VA | Active 2007–2026 |
| LEINENWEBER AND BARONI | Chicago, IL | Active 2007 |
| LEITER & CRAMER PLLC | WASHINGTON, DC | Active 2007–2016 |
| LEMMA CLASS PUBLIC AFFAIRS, INC. | Bayville, NY | Active 2022–2026 |
| LEMUNYON GROUP, LLC | Washington, DC | Active 2007–2026 |
| LENDING TREE, INC | WASHINGTON, DC | Active 2024–2026 |
| LENNOX INTERNATIONAL INC. | Richardson, TX | Active 2008–2026 |
| LENOVO (UNITED STATES) INC. | Morrisville, NC | Active 2023–2026 |
| LENOVO GROUP LTD. | WASHINGTON, DC | Active 2007–2012 |
| LENT SCRIVNER & ROTH LLC | Washington, DC | Active 2007–2008 |
| LEOLABS, INC. | Menlo Park, CA | Active 2023–2026 |
| LEON CONSULTANTS, LLC | Washington, DC | Active 2023 |
| LEON G. BILLINGS, LLC | BETHANY BEACH, DE | Active 2007–2010 |
| LEONARD BENNETT | Owings Mills, MD | Active 2012–2013 |
| LEONARD CONDON | Alexandria, VA | Active 2009–2010 |
| LEONARD OAK LLC | Arlington, DC | Active 2025–2026 |
| LEONARD RESOURCE GROUP, INC | Washington, DC | Active 2007–2017 |
| LEONARD STREET AND DEINARD, P.A. | Minneapolis, MN | Active 2007–2013 |
| LEONARDO DRS, INC. | ARLINGTON, VA | Active 2007–2026 |
| LEONARDO US HOLDING, INC. | Arlington, VA | Active 2022 |
| LEONINE PROJECT LLC | New York, NY | Active 2026 |
| LEPRINO FOODS COMPANY | Denver, CO | Active 2012–2022 |
| LERMAN SENTER PLLC (FORMERLY LEVENTHAL SENTER & LERMAN PLLC) | Washington, DC | Active 2007–2008 |
| LEROY JONES, JR. | Washington, DC | Active 2022–2024 |
| LES BROWNLEE & ASSOCIATES, LLC | Arlington, VA | Active 2009–2018 |
| LESCHI GROUP, LLC | Tacoma, WA | Active 2015–2021 |
| LESIC AND CAMPER COMMUNICATIONS | Columbus, OH | Active 2009–2026 |
| LESLIE WATERS | Pinellas Park, FL | Active 2007–2009 |
| LESTER HEALTH LAW PLLC | Washington, DC | Active 2014–2026 |
| LETTELLEIR CONSULTING GROUP, LLC | Saint Petersburg, FL | Active 2013 |
| LEVEL 3 COMMUNICATIONS, LLC | BROOMFIELD, CO | Active 2007–2017 |
| LEVI STRAUSS & CO. | SAN FRANCISCO, CA | Active 2007–2011 |
| LEVICK STRATEGIC COMMUNICATIONS | Washington, DC | Active 2008–2016 |
| LEVINAS ADVISORY LLC | Bethesda, MD | Active 2025–2026 |
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.