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 |
|---|---|---|
| COLUMBIA PIPELINE GROUP | Washington, DC | Active 2015–2016 |
| COLUMBIA RIVERKEEPER | Hood River, OR | Active 2022–2026 |
| COLUMBIA STRATEGIC COUNSEL | Washington, DC | Active 2016–2026 |
| COLUMBIA STRATEGIES | Alexandria, VA | Active 2013–2016 |
| COLUMBUS CITY SCHOOLS | COLUMBUS, OH | Active 2007–2010 |
| COLYANDRO + FRANK PUBLIC AFFAIRS | Austin, TX | Active 2020–2021 |
| COMBE CONSLTANT, INC. | Northville, MI | Active 2008–2012 |
| COMBEST, SELL & ASSOCIATES, LLC | Lubbock, TX | Active 2007–2026 |
| COMCAST CORPORATION | WASHINGTON, DC | Active 2007–2026 |
| COMMAND POLICY GROUP LLC | Washington, DC | Active 2016 |
| COMMAND SOLUTIONS, LLC | Washington, DC | Active 2018–2020 |
| COMMAND STRATEGIES, LLC | Washington, DC | Active 2009–2014 |
| COMMENATOR & ASSOCIATES, LTD. | SPRINGFIELD, VA | Active 2007–2015 |
| COMMERCE BANK | St. Louis, MO | Active 2011–2026 |
| COMMERCIAL METALS COMPANY - CMC | Irving, TX | Active 2024–2026 |
| COMMERCIAL REAL ESTATE DEVELOPMENT ASSOCIATION (F.K.A. NAIOP) | HERNDON, VA | Active 2007–2026 |
| COMMERCIAL REAL ESTATE FINANCE COUNCIL | Washington, DC | Active 2007–2026 |
| COMMERCIAL SPACEFLIGHT FEDERATION | Washington, DC | Active 2009–2026 |
| COMMERCIAL VEHICLE SAFETY ALLIANCE | Washington, DC | Active 2009–2026 |
| COMMERCIAL VEHICLE TRAINING ASSOCIATION | Alexandria, VA | Active 2014–2026 |
| COMMISSIONED OFFICERS ASSOCIATION OF THE U.S. PUBLIC HEALTH SERVICE (COA) | LANDOVER, MD | Active 2007–2013 |
| COMMITTEE FOR EDUCATION FUNDING | WASHINGTON, DC | Active 2007–2009 |
| COMMITTEE ON INVESTMENT OF EMPLOYEE BENEFIT ASSETS INC. | Washington, DC | Active 2016–2026 |
| COMMITTEE TO PROTECT HEALTH CARE | Detroit, MI | Active 2023–2026 |
| COMMODITY MARKETS COUNCIL | WASHINGTON, DC | Active 2007–2026 |
| COMMON CAUSE | WASHINGTON, DC | Active 2007–2026 |
| COMMON ERA LLC | Arlington, VA | Active 2008–2019 |
| COMMON SENSE MEDIA | San Francisco, CA | Active 2020–2026 |
| COMMON SENSE SOLUTIONS | VIENNA, VA | Active 2007 |
| COMMONWEALTH BRANDS, INC | Fort Lauderdale, FL | Active 2007–2012 |
| COMMONWEALTH CARE ALLIANCE | Boston, MA | Active 2017–2025 |
| COMMONWEALTH CONSULTING CORPORATION | Arlington, VA | Active 2007–2016 |
| COMMONWEALTH CONSULTING PARTNERS | Pittsburgh, PA | Active 2019–2024 |
| COMMONWEALTH FUSION SYSTEMS | Devens, MA | Active 2022–2026 |
| COMMONWEALTH LNG | Houston, TX | Active 2024–2025 |
| COMMONWEALTH POLICY SOLUTIONS | Purcellville, VA | Active 2018–2026 |
| COMMONWEALTH RESEARCH ASSOCIATES, LLC | Washington, DC | Active 2012–2026 |
| COMMONWEALTH STRATEGIC PARTNERS, LLC | Fairfax, VA | Active 2015–2024 |
| COMMSCOPE HOLDING COMPANY, INC. | Hickory, NC | Active 2019–2021 |
| COMMUNICATING FOR AMERICA | Fergus Falls, MN | Active 2007–2019 |
| COMMUNICATIONS ADVISORY COUNSEL | Washington, DC | Active 2012–2014 |
| COMMUNICATIONS PREFERRED LLC | Arlington, VA | Active 2020–2026 |
| COMMUNICATIONS WORKERS OF AMERICA | WASHINGTON, DC | Active 2007–2026 |
| COMMUNITIES IN SCHOOLS, INC. | Arlington, VA | Active 2007–2018 |
| COMMUNITY ASSOCIATIONS INSTITUTE | Falls Church, VA | Active 2007–2026 |
| COMMUNITY BANK ADVISORY SERVICES, LLC | Kensington, MD | Active 2025–2026 |
| COMMUNITY BANKERS ASSOCIATION OF ILLINOIS | Springfield, IL | Active 2010–2026 |
| COMMUNITY CATALYST ACTION FUND, INC. | Boston, MA | Active 2011–2020 |
| COMMUNITY CATALYST, INC. | Boston, MA | Active 2009–2025 |
| COMMUNITY FINANCIAL SERVICES ASSOCIATION OF AMERICA | Alexandria, VA | Active 2012–2020 |
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.