| Client | Filings | Expenses |
|---|---|---|
| CHAMBER OF COMMERCE OF THE U.S.A. | 94 | $1,390,276,000 |
| NATIONAL ASSOCIATION OF REALTORS | 81 | $927,008,000 |
| BUSINESS ROUNDTABLE INC | 80 | $364,730,000 |
| BOEING COMPANY | 88 | $292,437,000 |
| AT&T SERVICES INC AND ITS AFFILIATES | 81 | $276,131,535 |
| AARP | 89 | $275,159,000 |
| COMCAST CORPORATION | 78 | $275,088,323 |
| LOCKHEED MARTIN CORPORATION | 121 | $269,980,000 |
| AMERICAN HOSPITAL ASSOCIATION | 59 | $269,240,000 |
| GENERAL ELECTRIC COMPANY (INCLUDING SUBSIDIARIES) | 114 | $250,592,000 |
| Firm | Filings | Income |
|---|---|---|
| CAPITOL TAX PARTNERS, LLP | 5359 | $247,685,000 |
| AKIN GUMP STRAUSS HAUER & FELD | 3607 | $222,455,000 |
| WILLIAMS AND JENSEN, PLLC | 3531 | $161,530,000 |
| ERNST & YOUNG LLP (WASHINGTON COUNCIL ERNST & YOUNG) | 3375 | $153,953,250 |
| CAPITOL COUNSEL LLC | 3333 | $151,380,000 |
| BROWNSTEIN HYATT FARBER SCHRECK, LLP | 3106 | $184,715,000 |
| MEHLMAN CONSULTING, INC. | 2389 | $125,035,000 |
| THE WASHINGTON TAX & PUBLIC POLICY GROUP | 2211 | $93,507,007 |
| ALPINE GROUP PARTNERS, LLC. | 2040 | $86,870,000 |
| DAVIS & HARMAN LLP | 1872 | $40,380,000 |
| Year | Filings |
|---|---|
| 2026 | 6,353 |
| 2025 | 15,440 |
| 2024 | 12,657 |
| 2023 | 11,838 |
| 2022 | 12,833 |
| 2021 | 12,806 |
| 2020 | 11,323 |
| 2019 | 11,540 |
| 2018 | 12,758 |
| 2017 | 15,512 |
| 2016 | 11,814 |
| 2015 | 12,288 |
| 2014 | 12,305 |
| 2013 | 11,957 |
| 2012 | 11,201 |
| 2011 | 10,586 |
| 2010 | 10,995 |
| 2009 | 10,425 |
| 2008 | 10,440 |
| 2007 | 5,528 |