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 |
|---|---|---|
| INTERNATIONAL SWAPS & DERIVATIVES ASSOCIATION INC. | NEW YORK, NY | Active 2007–2026 |
| INTERNATIONAL TRADEMARK ASSOCIATION | Alexandria, VA | Active 2020–2026 |
| INTERNATIONAL UNION OF BRICKLAYERS & ALLIED CRAFTWORKERS | Washington, DC | Active 2007–2026 |
| INTERNATIONAL UNION OF OPERATING ENGINEERS | WASHINGTON, DC | Active 2007–2026 |
| INTERNATIONAL UNION OF PAINTERS AND ALLIED TRADES | Hanover, MD | Active 2008–2026 |
| INTERNATIONAL UNION OF POLICE ASSOCIATIONS, AFL-CIO | SARASOTA, FL | Active 2007–2026 |
| INTERNATIONAL WOOD PRODUCTS ASSOCIATION | ALEXANDRIA, VA | Active 2007–2026 |
| INTERNET CORPORATION FOR ASSIGNED NAMES AND NUMBERS | Los Angeles, CA | Active 2011–2026 |
| INTERNET POKER SOLUTIONS, LLC | Saint Louis, MO | Active 2011 |
| INTERNET WORKS | Washington, DC | Active 2025–2026 |
| INTERNEWS | ARCATA, CA | Active 2007–2011 |
| INTERSECT PUBLIC AFFAIRS, LLC | Fairfax, VA | Active 2024–2026 |
| INTERSECTION | Washington, DC | Active 2024–2026 |
| INTERSTATE GAS SUPPLY, LLC | Dublin, OH | Active 2025–2026 |
| INTERSTATE NATURAL GAS ASSOCIATION OF AMERICA | WASHINGTON, DC | Active 2007–2026 |
| INTERSTITIAL CYSTITIS ASSN | ROCKVILLE, MD | Active 2007–2009 |
| INTERTEK TESTING SERVICES NA, INC. | Boxborough, MA | Active 2007–2009 |
| INTERVISTAS CONSULTING INC | Washington, DC | Active 2007–2022 |
| INTERVISTAS CONSULTING, INC. | Vancouver, BC, Canada | Active 2007–2021 |
| INTL ASSN OF INDEPENDENT TANKERS OWNERS | ARLINGTONN, VA | Active 2007–2014 |
| INTL FABRICARE INST | Laurel, MD | Active 2007 |
| INTL TITANIUM POWDER LLC | LOCKPORT, IL | Active 2007 |
| INTL TRADE & TRANSPORTATION | PINEHURST, TX | Active 2007 |
| INTL. ASSN. OF AMUSEMENT PKS. & ATTRS. | Orlando, FL | Active 2007–2026 |
| INTRA-CELLULAR THERAPIES, INC. | New York, NY | Active 2022–2025 |
| INTRADO INC. | LONGMONT, CO | Active 2007–2012 |
| INTREPID POTASH, LLC | WASHINGTON, DC | Active 2007–2008 |
| INTRINSIC EXCHANGE GROUP, INC. | Charlottesville, VA | Active 2025–2026 |
| INTUIT, INC. AND AFFILIATES (FORMERLY INTUIT, INC.) | WASHINGTON, DC | Active 2007–2026 |
| INTUITIVE SURGICAL, INC. | Sunnyvale, CA | Active 2010–2026 |
| INVACARE CORPORATION | Elyria, OH | Active 2007–2018 |
| INVARIANT LLC | Washington, DC | Active 2007–2026 |
| INVENERGY LLC | Chicago, IL | Active 2019–2026 |
| INVESCO GROUP SERVICES, INC. | Washington, DC | Active 2018–2026 |
| INVEST IN EDUCATION COALITION, INC. | Latham, NY | Active 2017–2022 |
| INVESTMENT ADVISER ASSOCIATION | Washington, DC | Active 2008–2026 |
| INVESTMENT COMPANY INSTITUTE | WASHINGTON, DC | Active 2007–2026 |
| INVISTA | Wichita, KS | Active 2007–2008 |
| INVITATION HOMES INC. | Dallas, TX | Active 2025–2026 |
| INVITROGEN CORPORATION | WASHINGTON, DC | Active 2007–2008 |
| INVIVYD, INC. | New Haven, CT | Active 2022–2026 |
| INVOKE LLC | Baltimore, MD | Active 2025–2026 |
| IOGEN CORPORATION | Ottawa, ON, Canada | Active 2007–2009 |
| ION MEDIA NETWORKS, INC. | Arlington, VA | Active 2008–2009 |
| IONIS PHARMACEUTICALS, INC. | Carlsbad, CA | Active 2024–2026 |
| IONQ, INC. | College Park, MD | Active 2026 |
| IOVANCE BIOTHERAPEUTICS, INC. | San Carlos, CA | Active 2022–2023 |
| IOVINO GROUP LLC | McLean, VA | Active 2011–2012 |
| IOWA FARM BUREAU FEDERATION | West Des Moines, IA | Active 2008–2026 |
| IOWA HOSPITAL ASSOCIATION | Des Moines, IA | Active 2009–2026 |
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.