| Client | Filings | Expenses |
|---|---|---|
| CHAMBER OF COMMERCE OF THE U.S.A. | 92 | $1,373,326,000 |
| NATIONAL ASSOCIATION OF REALTORS | 80 | $912,428,000 |
| BUSINESS ROUNDTABLE INC | 79 | $357,780,000 |
| BOEING COMPANY | 87 | $289,667,000 |
| AARP | 89 | $275,159,000 |
| COMCAST CORPORATION | 78 | $275,088,323 |
| AT&T SERVICES INC AND ITS AFFILIATES | 80 | $273,481,535 |
| LOCKHEED MARTIN CORPORATION | 120 | $265,800,000 |
| AMERICAN HOSPITAL ASSOCIATION | 58 | $264,770,000 |
| GENERAL ELECTRIC COMPANY (INCLUDING SUBSIDIARIES) | 113 | $249,802,000 |
| Firm | Filings | Income |
|---|---|---|
| CAPITOL TAX PARTNERS, LLP | 5290 | $244,625,000 |
| AKIN GUMP STRAUSS HAUER & FELD | 3555 | $219,485,000 |
| WILLIAMS AND JENSEN, PLLC | 3485 | $159,290,000 |
| ERNST & YOUNG LLP (WASHINGTON COUNCIL ERNST & YOUNG) | 3354 | $152,963,250 |
| CAPITOL COUNSEL LLC | 3284 | $148,860,000 |
| BROWNSTEIN HYATT FARBER SCHRECK, LLP | 3042 | $180,645,000 |
| MEHLMAN CONSULTING, INC. | 2333 | $121,575,000 |
| THE WASHINGTON TAX & PUBLIC POLICY GROUP | 2183 | $92,327,007 |
| ALPINE GROUP PARTNERS, LLC. | 2017 | $85,640,000 |
| DAVIS & HARMAN LLP | 1848 | $40,230,000 |
| Year | Filings |
|---|---|
| 2026 | 3,219 |
| 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 |