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 |
|---|---|---|
| SPANGLER STRATEGTIC ADVISORS, LLC | Annapolis, MD | Active 2011–2018 |
| SPARACINO PLLC | Washington, DC | Active 2025–2026 |
| SPARBER & ASSOCIATES, INC. | WASHINGTON, DC | Active 2007–2008 |
| SPARC | Washington, DC | Active 2025–2026 |
| SPARK THERAPEUTICS, INC. | Philadelphia, PA | Active 2017–2025 |
| SPARKLIGHT COMMUNICATIONS | Alexandria, VA | Active 2008–2012 |
| SPARTA SOFTWARE CORPORATION | Menlo Park, CA | Active 2018–2019 |
| SPARTAMATRIX, INC. | Durham, NC | Active 2007–2008 |
| SPECIAL LIBRARIES ASSOCIATION | ALEXANDRIA, VA | Active 2007–2010 |
| SPECIAL OLYMPICS, INC. | WASHINGTON, DC | Active 2007–2026 |
| SPECIALTY EQUIPMENT MARKET ASSOCIATION | WASHINGTON, DC | Active 2007–2026 |
| SPECIALTY TOBACCO COUNCIL, INC. | Winston-Salem, NC | Active 2008–2026 |
| SPECTRA ENERGY | Houston, TX | Active 2007–2017 |
| SPECTRUM CONSULTING GROUP, LLC | Columbia, MO | Active 2008–2015 |
| SPECTRUM PUBLIC AFFAIRS | Kalamazoo, MI | Active 2014–2019 |
| SPENCER & SYED LLC | City of London, United Kingdom | Active 2008–2015 |
| SPENCER FANE | Austin, TX | Active 2023 |
| SPI GROUP SARL | Luxembourg City, Luxembourg | Active 2018–2019 |
| SPIE, THE INTERNATIONAL SOCIETY FOR OPTICS AND PHOTONICS | Bellingham, WA | Active 2018–2026 |
| SPIEGEL & MCDIARMID LLP | Washington, DC | Active 2007–2026 |
| SPILMAN THOMAS & BATTLE, PLLC | Charleston, WV | Active 2010–2022 |
| SPINA BIFIDA ASSOCIATION OF AMERICA | Alexandria, VA | Active 2007–2026 |
| SPINLAUNCH, INC. | Long Beach, CA | Active 2021–2024 |
| SPINNAKER GOVERNMENT RELATIONS FKA C.H. FISHER LLC | Washington, DC | Active 2016–2026 |
| SPIRIT AEROSYSTEMS, INC. | Wichita, KS | Active 2024–2025 |
| SPIRIT ROCK CONSULTING | ALEXANDRIA, VA | Active 2009–2026 |
| SPLC ACTION FUND | Montgomery, AL | Active 2023–2024 |
| SPLIT ROCK INTL | ARLINGTON, VA | Active 2007 |
| SPLIT ROCK STRATEGIES | Washington, DC | Active 2017 |
| SPLITOAK STRATEGIES LLC | Washington, DC | Active 2017–2026 |
| SPLYSS LLC | Washington, DC | Active 2018–2026 |
| SPO STRATEGIC CONSULTING LLC | Washington, DC | Active 2014–2017 |
| SPORTS & FITNESS INDUSTRY ASSOCIATION | Silver Spring, MD | Active 2007–2026 |
| SPOTIFY USA INC. | Washington, DC | Active 2016–2026 |
| SPOTTS FAIN CONSULTING | Richmond, VA | Active 2010–2011 |
| SPQR STRATEGIES, PLLC | Washington, DC | Active 2012–2020 |
| SPRAY FOAM COALITION | Washington, DC | Active 2024–2026 |
| SPRING CARE, INC. | New York, NY | Active 2026 |
| SPRING HILL COLLEGE | Mobile, AL | Active 2008–2012 |
| SPRINGER NATURE AMERICA INC | New York, NY | Active 2022–2026 |
| SPRINT CORPORATION | WASHINGTON, DC | Active 2007–2020 |
| SQUIRE PATTON BOGGS | WASHINGTON, DC | Active 2007–2026 |
| SQUIRE PATTON BOGGS (US) LLP (F.K.A. SQUIRE SANDERS (US) LLP) | Washington, DC | Active 2007–2014 |
| SQUIRE SANDERS PUBLIC ADVOCACY, LLC | Washington, DC | Active 2007–2014 |
| SR PARTNERS LLC (FKA SKOG RASMUSSEN LLC) | Wailuku, HI | Active 2019–2026 |
| SRA INTERNATIONAL, INC. | Fairfax, VA | Active 2007–2011 |
| SRB STRATEGIC, LLC | Washington, DC | Active 2015–2016 |
| SRC, INC. | NORTH SYRACUSE, NY | Active 2007–2012 |
| SRG & ASSOCIATES | Wilmington, NC | Active 2007–2024 |
| SRI INTERNATIONAL | ARLINGTON, VA | Active 2007–2018 |
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.