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 |
|---|---|---|
| CARFAX, INC. | Centreville, VA | Active 2007–2026 |
| CARGILL, INC. | Washington, DC | Active 2007–2026 |
| CARGO AIRLINE ASSOCIATION | Washington, DC | Active 2007–2026 |
| CARIS LIFE SCIENCES, INC. | Irving, TX | Active 2011–2026 |
| CARL ANDREWS AND ASSOCIATES, INC. | Albany, NY | Active 2011–2020 |
| CARL ZEISS, INC. | White Plains, NY | Active 2026 |
| CARLA WEST | Monterey, VA | Active 2007–2012 |
| CARLIN COMMUNICATIONS | Washington, DC | Active 2013–2015 |
| CARLINER STRATEGIES LLC | Washington, DC | Active 2008–2019 |
| CARLOS ALBERTO BAZAN CANABAL | Murrieta, CA | Active 2026 |
| CARLOS PEREZ | Washington, DC | Active 2022–2025 |
| CARLOUGH SOLUTIONS, LLC | Nicholasville, KY | Active 2024–2026 |
| CARLOW CONSULTING, LLC | Columbus, OH | Active 2018–2026 |
| CARLTON FIELDS, P.A. | TAMPA, FL | Active 2007 |
| CARLTON LAW FIRM | RALEIGH, NC | Active 2007 |
| CARLYLE CONSULTING | Alexandria, VA | Active 2007–2026 |
| CARMAN COMMUNICATIONS | Alexandria, VA | Active 2007–2017 |
| CARMELA BROWN | Urbandale, IA | Active 2008–2011 |
| CARMEN & MUSS, P.L.L.C. | WASHINGTON, DC | Active 2007–2021 |
| CARMEN GROUP INCORPORATED | Washington, DC | Active 2007–2026 |
| CARMEN GUZMAN LOWREY | McLean, VA | Active 2009 |
| CARMEN GUZMAN, LLC | Washington, DC | Active 2021–2026 |
| CARNEGIE MELLON UNIVERSITY | PITTSBURGH, PA | Active 2007–2026 |
| CARNITINE STRATEGIES LLC | Arlington, VA | Active 2025–2026 |
| CARNIVAL CORPORATION (FKA CARNIVAL NORTH AMERICA LLC) | Arlington, VA | Active 2011–2026 |
| CAROL G HOLLADAY & ASSOCIATES | Washington, DC | Active 2022–2026 |
| CAROL STATUTO BEVAN | Derwood, MD | Active 2012–2013 |
| CAROLE JENNINGS | SILVER SPRING, MD | Active 2007–2012 |
| CAROLINA COMMERCE STRATEGIES, LLC | SULLIVAN'S ISLAND, SC | Active 2007 |
| CAROLINA FINANCIAL GROUP | Brevard, NC | Active 2026 |
| CAROLYN BRICKEY | Tucson, AZ | Active 2009–2010 |
| CAROLYN C. CHANEY & ASSOCIATES, INC. | WASHINGTON, DC | Active 2007–2010 |
| CAROLYN WASEM (FORMERLY MARC KELLEY) | Santa Rosa, CA | Active 2007–2010 |
| CARON GALA | Washington, DC | Active 2018–2019 |
| CARPENTER STRATEGIC CONSULTING LLC | Alexandria, VA | Active 2016–2026 |
| CARPI & CLAY INC | WASHINGTON, DC | Active 2007 |
| CARPI & CLAY, INC | WASHINGTON, DC | Active 2007–2026 |
| CARPINO & ASSOCIATES, LLC | Oakbrook Terrace, IL | Active 2011–2015 |
| CARRIAGE HILL CONSULTING | Vienna, VA | Active 2012–2015 |
| CARRIER GLOBAL CORPORATION | Palm Beach Gardens, FL | Active 2020–2026 |
| CARROLL & LADIER, PLLC | Alexandria, VA | Active 2014–2020 |
| CARSON CONSULTING | Washington, DC | Active 2025–2026 |
| CARTER & DAVIS | Washington, DC | Active 2016–2018 |
| CARTER CONSULTING, INC. | MCLEAN, VA | Active 2007–2011 |
| CARTER LAWS & ASSOCIATES | Washington, DC | Active 2011–2026 |
| CARTERMCCLEAN LLC | Washington, DC | Active 2011–2021 |
| CARTWRIGHT & RILEY, INC. | Arlington, VA | Active 2007–2026 |
| CARUO LAW, PLLC | Winter Garden, FL | Active 2024 |
| CASA, INC. | Hyattsville, MD | Active 2024–2026 |
| CASCADE ASSOCIATES | WASHINGTON, DC | Active 2007–2026 |
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.