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 |
|---|---|---|
| CASCADE PUBLIC AFFAIRS | Gig Harbor, WA | Active 2015–2026 |
| CASCADE STRATEGIES | St. Thomas, VI | Active 2015–2026 |
| CASE MANAGEMENT, INC | Washington, DC | Active 2010–2016 |
| CASE NEW HOLLAND INDUSTRIAL INC. | Washington, DC | Active 2007–2026 |
| CASE WESTERN RESERVE UNIVERSITY | CLEVELAND, OH | Active 2007–2026 |
| CASH AMERICA INTERNATIONAL, INC. | Fort Worth, TX | Active 2007–2014 |
| CASH, SMITH & WAGES | ALEXANDRIA, VA | Active 2007–2019 |
| CASHMAN DREDGING AND MARINE CONTRACTING CO., LLC | Quincy, MA | Active 2021–2022 |
| CASSAUNDRA PICK | Alexandria, VA | Active 2016–2018 |
| CASSIDY & ASSOCIATES, INC. | Washington, DC | Active 2007–2026 |
| CASSIDY LEVY KENT (USA) LLP (FKA JACK A. LEVY) | Washington, DC | Active 2017–2019 |
| CASSIE FOLK & ASSOCIATES | Washington, DC | Active 2020 |
| CASTELION | Washington, DC | Active 2026 |
| CASTRO & CO., LLC | Washington, DC | Active 2018 |
| CASTRO STRATEGIES, LLC | Washington, DC | Active 2016–2018 |
| CATALYST GLOBAL STRATEGIES, LLC | Washington, DC | Active 2022–2026 |
| CATALYST OLD RIVER HYDROELECTRIC LIMITED PARTNERSHIP | Vidalia, LA | Active 2018 |
| CATALYST PARTNERS LLC | WASHINGTON, DC | Active 2007–2018 |
| CATALYST STRATEGIES, LLC | Richmond, VA | Active 2025–2026 |
| CATANIA CONSULTING GROUP, INC | N. HALEDON, NJ | Active 2007–2012 |
| CATAPULT POLICY STRATEGIES LLC | Washington, DC | Active 2020–2021 |
| CATERPILLAR INC. | Washington, DC | Active 2007–2026 |
| CATHERINE R.NOLAN LLC | Chevy Chase, MD | Active 2007–2008 |
| CATHOLIC HEALTH ASSOCIATION OF THE UNITED STATES | WASHINGTON, DC | Active 2007–2026 |
| CATHOLIC HEALTH EAST | Newton Square, PA | Active 2008–2015 |
| CATSKILL MOUNTAINKEEPER INC | Livingston Manor, NY | Active 2012–2026 |
| CATURUS | Houston, TX | Active 2026 |
| CAUSEY LAW FIRM | Little Rock, AR | Active 2017–2023 |
| CAUTHEN & ASSOCIATES | MONTGOMERY, AL | Active 2007–2019 |
| CAUTHEN FORBES & WILLIAMS | Washington, DC | Active 2007–2016 |
| CAVALRY STRATEGIES LLC | Tallahassee, FL | Active 2025–2026 |
| CAVANAUGH LAW FIRM | OMAHA, NE | Active 2007 |
| CAVAROCCHI RUSCIO DENNIS ASSOCIATES, L.L.C. | Washington, DC | Active 2007–2026 |
| CAVER AND ASSOCIATES, INC | Austin, TX | Active 2008–2010 |
| CBD ADVISORS | Beavercreek, OH | Active 2011–2015 |
| CBD STRATEGIC, LLC | Beavercreek, OH | Active 2016–2019 |
| CBE COMPANIES, INC. | Cedar Falls, IA | Active 2016–2018 |
| CBOE GLOBAL MARKETS, INC. | CHICAGO, IL | Active 2007–2026 |
| CBS CORPORATION | Washington, DC | Active 2007–2019 |
| CC LAW & POLICY | Jupiter, FL | Active 2015–2026 |
| CC NEXUS LLC | PARKESBURG, PA | Active 2007 |
| CCAN ACTION FUND (FKA CHESAPEAKE CLIMATE ACTION NETWORK) | Takoma Park, MD | Active 2020–2026 |
| CCAP ACTION FUND | Washington, DC | Active 2010 |
| CCMSC CORPORATION | Oxford, MD | Active 2007–2026 |
| CCS MEDICAL | Farmers Branch, TX | Active 2008–2014 |
| CDB PROJX LLC | Brandywine, MD | Active 2016–2026 |
| CDM HOLDINGS NEW YORK | New York, NY | Active 2011 |
| CDPQ U.S. INC. | New York, NY | Active 2023–2026 |
| CEANNATE CORP | Rolling Meadows, IL | Active 2013–2019 |
| CEASEFIREPA | Philadelphia, PA | Active 2007–2013 |
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.