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 |
|---|---|---|
| SISTERS OF CHARITY OF LEAVENWORTH HEALTH SYSTEM | LENEXA, KS | Active 2007–2012 |
| SISTERS OF CHARITY OF ST. AUGUSTINE HEALTH SYSTEM | CLEVELAND, OH | Active 2007–2019 |
| SISTERS OF MERCY HEALTH SYSTEM | Chesterfield, MO | Active 2008–2010 |
| SISU GOVERNMENT LLC | Menlo Park, CA | Active 2015 |
| SISU STRATEGIES | Washington, DC | Active 2013 |
| SIVON NATTER & WECHSLER, P.C. (FKA BARNETT SIVON & NATTER, P.C.) | Washington, DC | Active 2007–2026 |
| SIX CONTINENTS HOTELS, INC. | Atlanta, GA | Active 2024–2026 |
| SIX IDEAS BEFORE BREAKFAST | Arlington, VA | Active 2021 |
| SIX STARS LLC | East Providence, RI | Active 2020 |
| SIX-7 STRATEGIES, LLC | Anchorage, AK | Active 2019–2026 |
| SIXKILLER CONSULTING, LLC | Seattle, WA | Active 2010–2020 |
| SIXTEEN THIRTY FUND | Washington, DC | Active 2018–2026 |
| SJB STRATEGIES LLC | Hartford, CT | Active 2018–2026 |
| SJOA FOUNDATION | The Hague, Netherlands | Active 2008 |
| SJSOLUTIONS PLLC | Bethesda, MD | Active 2012–2024 |
| SK AMERICAS, INC. | New York, NY | Active 2024–2026 |
| SK HYNIX AMERICA, INC. | Washington, DC | Active 2018–2024 |
| SKADDEN, ARPS, SLATE, MEAGHER & FLOM LLP | Washington, DC | Active 2007–2026 |
| SKB CONSULTING GROUP | Tallahassee, FL | Active 2018–2019 |
| SKDKNICKERBOCKER | Washington, DC | Active 2019 |
| SKENANDORE WILSON LLP | Madison, WI | Active 2025–2026 |
| SKINCURE ONCOLOGY | Burr Ridge, IL | Active 2025–2026 |
| SKIPPER GROUP | Auburn, AL | Active 2014–2024 |
| SKLADANY CONSULTING LLC | Alexandria, VA | Active 2016–2025 |
| SKOOKUM EDUCATIONAL PROGRAMS (FKA TESSERA) | Bremerton, WA | Active 2026 |
| SKY MAVIS | Singapore, Singapore | Active 2025–2026 |
| SKYDIO, INC. | San Mateo, CA | Active 2024–2025 |
| SKYLINE CAPITOL LLC | Washington, DC | Active 2023–2026 |
| SKYRIDGE STRATEGIES LLC | Eugene, OR | Active 2026 |
| SKYRYSE, INC. | El Segundo, CA | Active 2025–2026 |
| SKYWATER TECHNOLOGY FOUNDRY | Bloomington, MN | Active 2022–2026 |
| SL STRATEGIES, LLC | Washington, DC | Active 2017–2026 |
| SLADE GORTON LLC | Bellevue, WA | Active 2007–2014 |
| SLAGLE ASSOCIATES | TARPON SPRINGS, FL | Active 2007–2011 |
| SLAIMAN CONSULTING LLC | McLean, VA | Active 2018–2026 |
| SLATTERY STRATEGY LLC | McLean, VA | Active 2019–2023 |
| SLAYCO, LLC | Las Vegas, NV | Active 2010–2011 |
| SLC HEALTH STRATEGIES, LLC | Rockville, MD | Active 2013–2015 |
| SLEEP, INC. | Washington, DC | Active 2014–2026 |
| SLIPSTREAM ADVOCACY LLC | Washington, DC | Active 2026 |
| SLIPSTREAM STRATEGIES | Washington, DC | Active 2018–2026 |
| SLK STRATEGIES | Washington, DC | Active 2016–2018 |
| SLM CORPORATION | Washington, DC | Active 2015–2026 |
| SLOANE STRATEGIES, LLC (FKA: FIRST STREET STRATEGIES, LLC) | Rockville, MD | Active 2011–2013 |
| SLOVER & LOFTUS | WASHINGTON, DC | Active 2007–2026 |
| SLR PUBLIC AFFAIRS LLC | Austin, TX | Active 2019 |
| SM ENERGY (AKA CIVITAS RESOURCES, INC.) | Denver, CO | Active 2025–2026 |
| SMA AMERICA | Rocklin, CA | Active 2024–2026 |
| SMALL BUSINESS & ENTREPRENEURSHIP COUNCIL (SBE COUNCIL) | Vienna, VA | Active 2007–2026 |
| SMALL BUSINESS ADVOCACY COUNCIL | Chicago, IL | Active 2019–2026 |
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.