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 |
|---|---|---|
| SECURITY INDUSTRY ASSOCIATION | Silver Spring, MD | Active 2007–2026 |
| SECURITYSCORECARD | New York, NY | Active 2021–2026 |
| SECURUS TECHNOLOGIES, LLC | DALLAS, TX | Active 2007–2023 |
| SEDERHOLM PUBLIC AFFAIRS, INC. | Alexandria, VA | Active 2007–2019 |
| SEEDS OF PEACE | WASHINGTON, DC | Active 2007 |
| SEGAL, JULIE | ALEXANDRIA, VA | Active 2007 |
| SEGUNDO MERCADO-LLORENS | Washington, DC | Active 2007–2016 |
| SEGWAY INC | BEDFORD, NH | Active 2007–2009 |
| SEIDEN LAW LLP | New York, NY | Active 2024–2026 |
| SELECT MEDICAL HOLDINGS CORPORATION | Mechanicsburg, PA | Active 2013–2026 |
| SELF STORAGE ASSOCIATION | ALEXANDRIA, VA | Active 2007–2014 |
| SELLERY ASSOCIATES | Washington, DC | Active 2007–2017 |
| SEMI | Washington, DC | Active 2007–2026 |
| SEMICONDUCTOR INDUSTRY ASSOCIATION | Washington, DC | Active 2007–2026 |
| SEMPRA | WASHINGTON, DC | Active 2007–2026 |
| SENECA CLARK LLC | KALAMAZOO, MI | Active 2026 |
| SENECA GLOBAL ADVISORS, LLC | Washington, DC | Active 2008–2009 |
| SENIOR CARE PHARMACY COALITION | WASHINGTON, DC | Active 2017–2026 |
| SENIOR CITIZENS LOBBY | Washington, DC | Active 2025–2026 |
| SENSE INCORPORATED | Washington, DC | Active 2007–2025 |
| SENTILINK | San Francisco, CA | Active 2021–2026 |
| SENTINEL WORLDWIDE | Vienna, VA | Active 2013–2026 |
| SENTRY INSURANCE COMPANY (FORMERLY SENTRY INSURANCE A MUTUAL COMPANY) | Middleton, WI | Active 2016–2026 |
| SEQIRUS | Summit, NJ | Active 2016–2026 |
| SEQUA CORPORATION | Tampa, FL | Active 2009–2014 |
| SER ADVOCACY | Silver Spring, MD | Active 2024 |
| SERCO INC. | Herndon, VA | Active 2011–2023 |
| SERGEANT MAJOR ASSOCIATES, INC. | Sacramento, CA | Active 2007–2012 |
| SERLIN HALEY LLP | Boston, MA | Active 2014–2024 |
| SERVICE EMPLOYEES INTERNATIONAL UNION CTW-CLC | Washington, DC | Active 2007–2026 |
| SERVICEMEMBERS LEGAL DEFENSE NETWORK | WASHINGTON, DC | Active 2007–2013 |
| SERVICENOW, INC. | Santa Clara, CA | Active 2020–2026 |
| SES SPACE & DEFENSE | Huntsville, AL | Active 2015–2026 |
| SESACO CORPORATION | Hobart, OK | Active 2008–2011 |
| SESAME WORKSHOP | New York, NY | Active 2007–2010 |
| SETTLE & ASSOC | ABINGDON, VA | Active 2007 |
| SEVENTH STREET STRATEGIES LLC | Bethesda, MD | Active 2019–2021 |
| SEVERSTAL, N.A. | Dearborn, MI | Active 2009–2010 |
| SEWARD & KISSEL LLP | Washington, DC | Active 2007 |
| SEWARD SQUARE GROUP | Washington, DC | Active 2009–2025 |
| SEXTONS CREEK | Indianapolis, IN | Active 2017–2021 |
| SEXUALITY INFORMATION AND EDUCATION COUNCIL OF THE UNITED STATES (SIECUS) | Washington, DC | Active 2009–2025 |
| SEYFARTH SHAW LLP | Washington, DC | Active 2011–2013 |
| SGI FEDERAL | Arlington, VA | Active 2007–2010 |
| SGR LLC GOVERNMENT RELATIONS AND LOBBYING | Washington, DC | Active 2014–2022 |
| SHADWELL GP LLC | Wind Gap, PA | Active 2023–2026 |
| SHAE ARMSTRONG | Dallas, TX | Active 2016–2017 |
| SHAMROCK GOVERNMENT RELATIONS, LLC | Washington, DC | Active 2008 |
| SHAMROCK MARITIME CONSULTANTS,LLC | Alexandria, VA | Active 2009–2015 |
| SHANDA ASSET MANAGEMENT LLC | Redwood City, CA | 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.