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 |
|---|---|---|
| CONGRESSIONAL STRATEGIES LLC | Alexandria, VA | Active 2007–2025 |
| CONLIFFE SANDMANN & SULLIVAN | Louisville, KY | Active 2007–2009 |
| CONLON PUBLIC STRATEGIES | Chicago, IL | Active 2007–2026 |
| CONNECT | Washington, DC | Active 2010–2014 |
| CONNECT 4 STRATEGIES, LLC | White Stone, VA | Active 2014–2026 |
| CONNECT STRATEGY LLC | McLean, VA | Active 2021–2026 |
| CONNECTED NATION DEVELOPMENT CORPORATION | Bowling Green, KY | Active 2008–2014 |
| CONNECTICUT BOARD OF REGENTS FOR HIGHER EDUCATION | Hartford, CT | Active 2008–2017 |
| CONNECTIONS HEALTH SOLUTIONS | Phoenix, AZ | Active 2023–2026 |
| CONNECTOR INC. | Washington, DC | Active 2024–2026 |
| CONNELL CONSULTING BUSINESS AGENCY, LLC | West Palm Beach, FL | Active 2025–2026 |
| CONNICK AND ASSOCIATES | New Orleans, LA | Active 2025–2026 |
| CONNOR DEEGAN GOVERNMENT AFFAIRS | Farmington, CT | Active 2026 |
| CONOCOPHILLIPS | Washington, DC | Active 2007–2026 |
| CONRAD LAW & POLICY COUNSEL | Washington, DC | Active 2008–2022 |
| CONSCIENCE POINT CONSULTING, INC. | Washington, DC | Active 2025–2026 |
| CONSECO | CARMEL, IN | Active 2007–2021 |
| CONSENSUS COMMUNICATIONS, INC. | ORLANDO, FL | Active 2007–2026 |
| CONSERVATION INTERNATIONAL FOUNDATION | Arlington, VA | Active 2011–2026 |
| CONSERVATION PATHWAYS, LLC | San Anselmo, CA | Active 2009–2026 |
| CONSILIUM CONSULTING | Phoenix, AZ | Active 2019–2026 |
| CONSOL ENERGY, INC | Canonsburg, PA | Active 2007–2025 |
| CONSOLIDATED EDISON COMPANY OF NEW YORK, INC. | New York, NY | Active 2007–2026 |
| CONSORTIUM FOR OCEAN LEADERSHIP | WASHINGTON, DC | Active 2007–2011 |
| CONSORTIUM OF SOCIAL SCIENCE ASSOCIATIONS (COSSA) | Alexandria, VA | Active 2007–2026 |
| CONSTANTINE CANNON, LLP | Washington, DC | Active 2007–2020 |
| CONSTANTINOPLE & VALLONE CONSULTING LLC | NY, NY | Active 2009–2026 |
| CONSTELLATION BRANDS, INC. | Rochester, NY | Active 2024–2025 |
| CONSTELLATION ENERGY GENERATION, LLC | Baltimore, MD | Active 2022–2026 |
| CONSTELLATION ENERGY GROUP | WASHINGTON, DC | Active 2007–2012 |
| CONSTELLIS GROUP, INC. (FORMERLY KNOWN AS TRIPLE CANOPY, INC.) | Reston, VA | Active 2007–2015 |
| CONSTITUTION PARTNERS | Easton, MD | Active 2023–2026 |
| CONSTRUCTION INDUSTRY ROUND TABLE | MCLEAN, VA | Active 2007–2025 |
| CONSTRUCTION MANAGEMENT ASSOCIATION OF AMERICA | MCLEAN, VA | Active 2007–2016 |
| CONSULTANTS COLLABORATIVE -- MATTHEW R. SIMMONS | SAN MARCOS, CA | Active 2007–2010 |
| CONSULTING WITH COMMUNITIES INC. | Billings, MT | Active 2013–2014 |
| CONSULTORES INTERNACIONALES ANSLEY | Mexico City, Mexico | Active 2019–2021 |
| CONSUMER BANKERS ASSOCIATION | WASHINGTON, DC | Active 2007–2026 |
| CONSUMER BRANDS ASSOCIATION (PKA: GROCERY MANUFACTURERS ASSOCIATION) | ARLINGTON, VA | Active 2007–2026 |
| CONSUMER DATA INDUSTRY ASSOCIATION | WASHINGTON, DC | Active 2007–2026 |
| CONSUMER ENERGY ALLIANCE | Houston, TX | Active 2009–2010 |
| CONSUMER FEDERATION OF AMERICA | WASHINGTON, DC | Active 2007–2023 |
| CONSUMER HEALTHCARE PRODUCTS ASSOCIATION | WASHINGTON, DC | Active 2007–2026 |
| CONSUMER POLICY SOLUTIONS | Chevy Chase, MD | Active 2007–2009 |
| CONSUMER REPORTS, INC. (F.K.A. CONSUMERS UNION OF UNITED STATES, INC.) | Washington, DC | Active 2007–2026 |
| CONSUMER TECHNOLOGY ASSOCIATION | ARLINGTON, VA | Active 2007–2026 |
| CONTANGO LLC | ARLINGTON, VA | Active 2007–2010 |
| CONTEXT LABS BV | Amsterdam, Netherlands | Active 2023–2025 |
| CONTINENTAL CASUALTY COMPANY | Chicago, IL | Active 2022–2026 |
| CONTINENTAL CONSULTING GROUP CORPORATION | ALEXANDRIA, VA | Active 2007–2025 |
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.