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 |
|---|---|---|
| HEARTLAND CONSUMERS POWER DISTRICT | Madison, SD | Active 2009–2015 |
| HEARTLAND SOLUTIONS GROUP, INC. | Chicago, IL | Active 2007–2026 |
| HEARTLAND STRATEGIES LLC | Alexandria, VA | Active 2011–2016 |
| HEATHER BOOTH | Washington, DC | Active 2010 |
| HEATHER MCNATT HENNESSEY LLC | Winchester, VA | Active 2013–2018 |
| HEATING, AIRCONDITIONING & REFRIGERATION DISTRIBUTORS INTERNATIONAL | Columbus, OH | Active 2011–2026 |
| HEBREW IMMIGRANT AID SOCIETY | NEW YORK, NY | Active 2007–2013 |
| HECHT LATHAM SPENCER & ASSOCIATES, INC., FORMERLY KNOWN AS HECHT SPENCER & ASSOC | WASHINGTON, DC | Active 2007–2026 |
| HEDAYAT, YASHAR | BEVERLY HILLS, CA | Active 2007 |
| HEDGE FUND ASSOCIATION | New Yok, NY | Active 2009–2017 |
| HEIDELBERG MATERIALS, US, INC. (FORMERLY LEHIGH HANSON, INC.) | Irving, TX | Active 2011–2026 |
| HEIDEMAN NUDELMAN & KALIK, PC | Washington, DC | Active 2007–2026 |
| HEIDEPRIEM & ASSOCIATES, LLC | Chevy Chase, MD | Active 2009–2018 |
| HEIDEPRIEM & MAGER INC | Washington, DC | Active 2007–2008 |
| HEINEKEN USA | Washington, DC | Active 2014–2026 |
| HELEN DELICH BENTLEY | Lutherville, MD | Active 2007–2016 |
| HELEN HAGERTY | Washington, DC | Active 2024 |
| HELENA AGRI-ENTERPRISES, LLC, FORMERLY REPORTED AS HELENA CHEMICAL COMPANY | Collierville, TN | Active 2016–2026 |
| HELIX, INC. | San Mateo, CA | Active 2021–2024 |
| HEMLOCK SEMICONDUCTOR OPERATIONS, LLC | Hemlock, MI | Active 2019–2025 |
| HEMOPHILIA FEDERATION OF AMERICA | WASHINGTON, DC | Active 2010–2026 |
| HENDERSON GRAYER, INC. | Washington, DC | Active 2015 |
| HENDERSON STRATEGIES, INC. | Ponte Vedra Beach, FL | Active 2014–2021 |
| HENGEN GROUP, LLC | Washington, DC | Active 2009–2013 |
| HENKEL OF AMERICA INC. | Rocky Hill, CT | Active 2017–2026 |
| HENLEY STRATEGIES LLC | Arlington, VA | Active 2017–2018 |
| HENRY BONILLA | SAN ANTONIO, TX | Active 2016–2017 |
| HENRY CONSULTING GROUP | Burke, VA | Active 2007–2013 |
| HENRY DEAN & ASSOCIATES, LLC | St. Augustine, FL | Active 2009–2010 |
| HENRY J COOK III | Diamondhead, MS | Active 2009–2012 |
| HENRY STREET CONSULTING, L.L.C. | Saline, MI | Active 2007–2012 |
| HERBALIFE INTERNATIONAL OF AMERICA, INC. | Washington, DC | Active 2007–2026 |
| HERBERT ALLEN "MIKE" AILSWORTH | OAK HILL, VA | Active 2007–2015 |
| HERBOLSHEIMER LAW OFFICES | WASHINGTON, DC | Active 2007–2009 |
| HERITAGE ACTION FOR AMERICA | Washington, DC | Active 2010–2026 |
| HERMAN GESSER, III | New Iberia, LA | Active 2009–2011 |
| HERMES CONSOLIDATED, LLC DBA WYOMING REFINING COMPANY | Denver, CO | Active 2014–2016 |
| HERMEUS CORP. | Atlanta, GA | Active 2023–2026 |
| HEROUX & ASSOCIATES, PLLC | Highlands Ranch, CO | Active 2015–2020 |
| HERRERA ARELLANO LLP | Washington, DC | Active 2024–2026 |
| HERRICK, FEINSTEIN LLP | New York, NY | Active 2007–2015 |
| HERSCHEL ROSE | Charleston, WV | Active 2010 |
| HERSHEL GOBER & ASSOCIATES INC. | Palm Coast, FL | Active 2008–2016 |
| HESS CORPORATION | Houston, TX | Active 2007–2018 |
| HESS, LEE | MOKELUMNE HILL, CA | Active 2007 |
| HESSEL, ALUISE AND NEUN, P.C. | Washington, DC | Active 2008–2012 |
| HETERODOX ACADEMY | New York, NY | Active 2025 |
| HETTINGER STRATEGY GROUP LLC | Potomac Falls, VA | Active 2015–2026 |
| HEWLETT PACKARD ENTERPRISE COMPANY | Washington, DC | Active 2015–2026 |
| HEXCEL CORPORATION | Stamford, CT | Active 2023–2026 |
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.