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 |
|---|---|---|
| ENERGY FOCUS, INC. | Arlington, VA | Active 2015–2018 |
| ENERGY FREEDOM FUND | Washington, DC | Active 2025–2026 |
| ENERGY MARKETERS OF AMERICA | Arlington, VA | Active 2007–2026 |
| ENERGY POLICY GROUP, LLC | Atlanta, GA | Active 2010–2015 |
| ENERGY SYSTEMS GROUP, LLC | Newburgh, IN | Active 2013–2015 |
| ENERGY WORKFORCE & TECHNOLOGY COUNCIL | Houston, TX | Active 2020–2026 |
| ENERGYNORTHAMERICA LLC | Rosedale, MS | Active 2009–2018 |
| ENERGYSOLUTIONS, INC. | Salt Lake City, UT | Active 2007–2016 |
| ENGAGE ADVOCACY LLC | Ashburn, VA | Active 2026 |
| ENGAGE, LLC | Arlington, VA | Active 2009–2019 |
| ENGEL & NOVITT, LLP | Washington, DC | Active 2009–2013 |
| ENGEL BURNS | Washington, DC | Active 2025 |
| ENGELKE CONSUTLING, LLC | Crown Point, IN | Active 2023–2026 |
| ENGIE NORTH AMERICA, INC. | Houston, TX | Active 2016–2026 |
| ENGINETECHNOLOGY FORUM (FKA DIESEL TECHNOLOGY FORUM) | Frederick, MD | Active 2007–2026 |
| ENGLER LLC | San Antonio, TX | Active 2018–2021 |
| ENGLISH FIRST, INC. | Springfield, VA | Active 2007–2019 |
| ENGLISH, LUCAS, PRIEST & OWSLEY, LLP | Bowling Green, KY | Active 2011–2019 |
| ENHABIT HOME HEALTH & HOSPICE | Dallas, TX | Active 2022–2026 |
| ENI US OPERATING CO. INC. | Houston, TX | Active 2016–2026 |
| ENLISTED ASSOCIATION OF THE NATIONAL GUARD OF THE UNITED STATES | Alexandria, VA | Active 2007–2019 |
| ENS RESOURCES, INC. | WASHINGTON, DC | Active 2007–2026 |
| ENSCO, INC. | Falls Church, VA | Active 2007–2009 |
| ENTEGRIS | Billerica, MA | Active 2023–2026 |
| ENTERGY SERVICES, LLC | Washington, DC | Active 2007–2026 |
| ENTERPRISE COMMUNITY PARTNERS, INC. | COLUMBIA, MD | Active 2007–2026 |
| ENTERPRISE COUNSEL GROUP ALC | Irvine, CA | Active 2015–2021 |
| ENTERPRISE HOLDINGS, INC. DBA ENTERPRISE MOBILITY | ST. LOUIS, MO | Active 2007–2026 |
| ENTERPRISE PRODUCTS PARTNERS LP (FORMERLY KNOWN AS ENTERPRISE PRODUCTS COMPANY O | Houston, TX | Active 2007–2026 |
| ENTERTAINMENT MERCHANTS ASSOCIATION | North Hollywood, CA | Active 2007–2019 |
| ENTERTAINMENT SOFTWARE ASSOCIATION | WASHINGTON, DC | Active 2007–2026 |
| ENVA STRATEGY, LLC | Falls Church, VA | Active 2018–2023 |
| ENVELOPE MANUFACTURERS ASSOCIATION | Alexandria, VA | Active 2007–2026 |
| ENVIRI | Camp Hill, PA | Active 2021–2026 |
| ENVIRONMENT AMERICA, INC. | Washington, DC | Active 2008–2026 |
| ENVIRONMENTAL & ENERGY CONSULTING | Sacramento, CA | Active 2021–2024 |
| ENVIRONMENTAL DEFENSE ACTION FUND | NEW YORK, NY | Active 2007–2026 |
| ENVIRONMENTAL DEFENSE FUND, INCORPORATED | New York, NY | Active 2007–2026 |
| ENVIRONMENTAL INTEGRITY PROJECT | Washington, DC | Active 2011–2016 |
| ENVIRONMENTAL LAW AND POLICY CENTER | Chicago, IL | Active 2011–2026 |
| ENVIRONMENTAL RESOURCES MANAGEMENT, INC. | Washington, DC | Active 2009–2023 |
| ENVIRONMENTAL TECHNOLOGY COUNCIL | Washington, DC, DC | Active 2007–2026 |
| ENVIRONMENTAL WORKING GROUP | Washington, DC | Active 2007–2026 |
| ENVISION HEALTHCARE | Nashville, TN | Active 2021–2026 |
| ENVISION STRATEGY | Washington, DC | Active 2015–2026 |
| ENVIVA INC. (FKA ENVIVA HOLDINGS LP) | Bethesda, MD | Active 2019–2023 |
| EOP GROUP, INC. | Washington, DC | Active 2007–2023 |
| EPAM USA PLLC | Washington, DC | Active 2018 |
| EPIC GAMES, INC. | Cary, NC | Active 2021–2026 |
| EPIC SYSTEMS | Verona, WI | 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.