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 |
|---|---|---|
| ILLINOIS TOOL WORKS INC. | Glenview, IL | Active 2007–2022 |
| ILLUMINA, INC. | SAN DIEGO, CA | Active 2018–2026 |
| IMEC INC. | San Francisco, CA | Active 2022–2026 |
| IMEC.IC-LINK USA, INC. | San Jose, CA | Active 2023–2025 |
| IMI SERVICES USA INC. | BETHESDA, MD | Active 2007–2014 |
| IMMIGRATION AND CUSTOMS SOLUTIONS | Evanston, IL | Active 2009 |
| IMMIGRATION EQUALITY | Brooklyn, NY | Active 2008–2026 |
| IMMIGRATION EQUALITY ACTION FUND | New York, NY | Active 2009–2013 |
| IMMIGRATIONWORKS USA | Washington, DC | Active 2008–2020 |
| IMPACT HEALTH POLICY PARTNERS | Greenwood Village, CO | Active 2018–2026 |
| IMPACT INTERNATIONAL | Washington, DC | Active 2008–2009 |
| IMPACT MANAGEMENT GROUP | Little Rock, AR | Active 2016–2026 |
| IMPACT NJ, LLC | Trenton, NJ | Active 2007–2012 |
| IMPACT PUBLIC AFFAIRS (FORMERLY MASSEY, WATSON & HEMBREE LLC | Atlanta, GA | Active 2017–2024 |
| IMPACT STRATEGIES - DBA - CROSSPOINTE PARTNERS LLC | FAIRFAX, VA | Active 2007–2008 |
| IMPACT STRATEGIES LLC | Washington DC, DC | Active 2013–2016 |
| IMPACT TEXAS COMMUNICATIONS, LLP (D/B/A IMPACT US) | Lubbock, TX | Active 2007–2010 |
| IMPEL STRATEGIES, LLC | PITTSBURGH, PA | Active 2007–2024 |
| IMPERIUM GLOBAL ADVISORS | Potomac, MD | Active 2016–2026 |
| IMPOSSIBLE FOODS INC. | Redwood City, CA | Active 2018–2026 |
| IMPRESSION STRATEGY, LLC | Vienna, VA | Active 2025 |
| IMPULSE SPACE, INC. | Redondo Beach, CA | Active 2025–2026 |
| IN DEFENSE OF CHRISTIANS | Washington, DC | Active 2016–2023 |
| IN DEFENSE OF CHRISTIANS ADVOCACY INC | Washington, DC | Active 2019–2022 |
| INALIENABLE RIGHTS PROJECT, INC. | Riverwoods, IL | Active 2008–2013 |
| INARI | Cambridge, MA | Active 2023–2026 |
| INCHARGE EDUCATION FOUNDATION, INC. | Orlando, FL | Active 2009–2010 |
| INCLUDED HEALTH | San Francisco, CA | Active 2022–2024 |
| INCLUSIVE ABUNDANCE ACTION | Greenwich, CT | Active 2025–2026 |
| INCYTE CORPORATION | Wilmington, DE | Active 2021–2026 |
| INDEPENDENCE BLUE CROSS | PHILADELPHIA, PA | Active 2007–2012 |
| INDEPENDENCE BLUE CROSS, LLC | Philadelphia, PA | Active 2015–2026 |
| INDEPENDENT BANKERS ASSOCIATION OF TEXAS | AUSTIN, TX | Active 2025–2026 |
| INDEPENDENT COMMUNITY BANKERS OF AMERICA | WASHINGTON, DC | Active 2007–2026 |
| INDEPENDENT DISTRIBUTORS ASSOCIATION | corinth, TX | Active 2021–2026 |
| INDEPENDENT ELECTRICAL CONTRACTORS, INC. | Nashville, TN | Active 2007–2026 |
| INDEPENDENT INSURANCE AGENTS & BROKERS OF AMERICA | Washington, DC | Active 2007–2026 |
| INDEPENDENT PETROLEUM ASSOCIATION OF AMERICA | WASHINGTON, DC | Active 2007–2026 |
| INDEPENDENT PHARMACY COOPERATIVE | Sun Prairie, WI | Active 2007–2026 |
| INDEPENDENT SECTOR | Washington, DC | Active 2007–2026 |
| INDEPENDENT TELEPHONE AND TELECOMMUNICATIONS ALLIANCE | WASHINGTON, DC | Active 2007–2019 |
| INDIANA CHAMBER OF COMMERCE, INC. | Indianapolis, IN | Active 2007–2026 |
| INDIANA FARM BUREAU, INC | Indianapolis, IN | Active 2012–2026 |
| INDIANA FEDERAL AFFAIRS | Gary, IN | Active 2025–2026 |
| INDIANA HOSPITAL ASSOCIATION | INDIANAPOLIS, IN | Active 2007–2009 |
| INDIANA REGIONAL MEDICAL CENTER (IRMC) | Indiana, PA | Active 2007–2012 |
| INDIANA STATEWIDE ASSN OF RURAL ELECTRIC COOPERATIVES | INDIANAPOLIS, IN | Active 2007 |
| INDIANA UNIVERSITY | Indianapolis, IN | Active 2007–2026 |
| INDIANA UNIVERSITY HEALTH, INC. | INDIANAPOLIS, IN | Active 2007–2026 |
| INDIANA UTILITY SHAREHOLDERS ASSOCIATION | Indianapolis, IN | Active 2009–2011 |
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.