Lobbying firms
Every registrant in the lobbying register: firms that lobby for clients, organizations that register to lobby for themselves, and self-employed lobbyists.
1,123
firms under C
| Firm | Location | Years active |
|---|---|---|
| C & S PATIENT EDUCATION FOUNDATION DBA CONQUER CHIARI | Wexford, PA | Active 2009 |
| C-SUITE COMMUNICATIONS, LLC | Easton, MD | Active 2015 |
| C-SUITE STRATEGIC COUNSEL LLC | Saint Louis, MO | Active 2018–2019 |
| C. ANNAND LLC | Washington, DC | Active 2016–2024 |
| C. BAKER CONSULTING, INC. | Bethesda, MD | Active 2007–2026 |
| C. R. BARD, INC. | MURRAY HILL, NJ | Active 2007–2009 |
| C.A.R. CONSULTING SERVICES | Santa Rosa Beach, FL | Active 2011–2025 |
| C.H. ROBINSON WORLDWIDE, INC. | EDEN PRAIRIE, MN | Active 2007–2026 |
| C.V. STARR ADVISORS, LLC | New York, NY | Active 2017–2025 |
| C/H GLOBAL STRATEGIES | Washington, DC | Active 2013–2016 |
| C&M CAPITOLINK | Washington, DC | Active 2007–2008 |
| C2 GROUP, LLC | Washington, DC | Active 2007–2013 |
| C2 STRATEGIES | Washington, DC | Active 2007–2026 |
| C2E2 STRATEGIES, LLC | Washington, DC | Active 2010–2011 |
| C3.AI | Redwood City, CA | Active 2023–2026 |
| C6 STRATEGIES, LLC (FKA MS. DANA W. HUDSON) | Washington, DC | Active 2013–2026 |
| CABLE TELECOMMUNICATIONS ASSOCIATION OF MD, DE & DC | ANNAPOLIS, MD | Active 2007–2009 |
| CABRALGROUP | Arlington, VA | Active 2011 |
| CADBURY ADAMS USA LLC | Parsippany, NJ | Active 2007–2009 |
| CADWALADER, WICKERSHAM & TAFT LLP | New York, NY | Active 2016 |
| CAE USA INC. | Tampa, FL | Active 2021–2025 |
| CAESARS ENTERPRISE SERVICES, LLC | Las Vegas, NV | Active 2009–2026 |
| CAHILL GORDON & REINDEL LLP | Washington, DC, DC | Active 2026 |
| CAIRN STRATEGIC CONSULTING, LLC | Washington, DC | Active 2026 |
| CALDWELL STRATEGIC CONSULTING | Washington, DC | Active 2014–2015 |
| CALERA CORPORATION | Los Gatos, CA | Active 2009–2011 |
| CALFEE STRATEGIC SOLUTIONS | Washington, DC | Active 2013–2024 |
| CALFEE, HALTER & GRISWOLD LLP | Washington, DC | Active 2017–2024 |
| CALGON CARBON CORPORATION | Moon Township, PA | Active 2010–2023 |
| CALIFORNIA AND NEVADA CREDIT UNION LEAGUES | Sacramento, CA | Active 2007–2026 |
| CALIFORNIA ANTI-SLAPP PROJECT (CASP) | Berkeley, CA | Active 2008–2012 |
| CALIFORNIA ASSOCIATION FOR ADULT DAY SERVICES | SACRAMENTO, CA | Active 2007–2011 |
| CALIFORNIA ASSOCIATION OF REALTORS | Sacramento, CA | Active 2007–2026 |
| CALIFORNIA CABLE & TELECOMMUNICATIONS ASSN. | SACRAMENTO, CA | Active 2007–2014 |
| CALIFORNIA CHILDREN'S HOSPITAL ASSOCIATION | Sacramento, CA | Active 2017–2026 |
| CALIFORNIA CONSULTING | FRESNO, CA | Active 2007 |
| CALIFORNIA CORRECTIONAL PEACE OFFICERS ASSOCIATION | West Sacramento, CA | Active 2008–2016 |
| CALIFORNIA FARM BUREAU FEDERATION | Sacramento, CA | Active 2009–2012 |
| CALIFORNIA FORESTRY ASSOCIATION | SACRAMENTO, CA | Active 2007–2025 |
| CALIFORNIA HOSPITAL ASSOCIATION | SACRAMENTO, CA | Active 2007–2026 |
| CALIFORNIA INDEPENDENT SYSTEM OPERATOR | FOLSOM, CA | Active 2007–2023 |
| CALIFORNIA LIFE SCIENCES | San Diego, CA | Active 2007–2026 |
| CALIFORNIA MEDICAL ASSOCIATION INC. | Sacramento, CA | Active 2008–2026 |
| CALIFORNIA SPECIAL DISTRICTS ASSOCIATION | Sacramento, CA | Active 2020–2022 |
| CALIFORNIA STATE UNIVERSITY | WASHINGTON, DC | Active 2007–2026 |
| CALIFORNIA STRATEGIES & ADVOCACY, LLC | Sacramento, CA | Active 2015–2022 |
| CALIFORNIA TROUT | San Francisco, CA | Active 2024 |
| CALISTA CORPORATION | Anchorage, AK | Active 2007–2026 |
| CALL9, INC. | Bolton, MA | Active 2018–2019 |
| CALLAWASSIE CONSULTING LLC | Pinehurst, NC | Active 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.