| ESS TECH, INC. | Wilsonville | OR | 2 | 2026-05-17 |
| ESP ADVISORS, LLC | Washington | DC | 9 | 2026-05-17 |
| ESHAM STRATEGIES LLC | Washington | DC | 3 | 2026-05-17 |
| ERVIN GRAVES STRATEGY GROUP, LLC | Washington | DC | 60 | 2026-05-17 |
| ERNST & YOUNG LLP (WASHINGTON COUNCIL ERNST & YOUNG) | Washington | DC | 8 | 2026-05-17 |
| ERL FEDERAL CONSULTANTS, LLC | Chappaqua | NY | 1 | 2026-05-17 |
| ERIN DONOVAN-BOYLE | Smithfield | RI | 1 | 2026-05-17 |
| ERAMET MARIETTA INC. | Marietta | OH | 1 | 2026-05-17 |
| EQUIPMENT LEASING AND FINANCE ASSOCIATION | Washington | DC | 1 | 2026-05-17 |
| EQUINIX, INC. | Redwood City | CA | 2 | 2026-05-17 |
| EQUIFAX, INC. | ATLANTA | GA | 1 | 2026-05-17 |
| EQT CORPORATION | Harrisburg | PA | 1 | 2026-05-17 |
| EPPLIN STRATEGIC PLANNING | Washington | DC | 1 | 2026-05-17 |
| EPIRUS, INC. | Torrance | CA | 1 | 2026-05-17 |
| ENVIRONMENTAL LAW AND POLICY CENTER | Chicago | IL | 1 | 2026-05-17 |
| ENVIRONMENT AMERICA, INC. | Washington | DC | 1 | 2026-05-17 |
| ENTERPRISE PRODUCTS PARTNERS LP (FORMERLY KNOWN AS ENTERPRISE PRODUCTS COMPANY O | Houston | TX | 1 | 2026-05-17 |
| ENTERPRISE COMMUNITY PARTNERS, INC. | COLUMBIA | MD | 1 | 2026-05-17 |
| ENTEGRIS | Billerica | MA | 1 | 2026-05-17 |
| ENS RESOURCES, INC. | WASHINGTON | DC | 45 | 2026-05-17 |
| ENHABIT HOME HEALTH & HOSPICE | Dallas | TX | 2 | 2026-05-17 |
| ENGELKE CONSUTLING, LLC | Crown Point | IN | 2 | 2026-05-17 |
| ENGAGE ADVOCACY LLC | Ashburn | VA | 1 | 2026-05-17 |
| ENERGY WORKFORCE & TECHNOLOGY COUNCIL | Houston | TX | 1 | 2026-05-17 |
| ENERGY FREEDOM FUND | Washington | DC | 1 | 2026-05-17 |
| ENDOCRINE SOCIETY | Washington | DC | 2 | 2026-05-17 |
| ENDGAME STRATEGIES, LLC | Washington | DC | 1 | 2026-05-17 |
| END CITIZENS UNITED ACTION FUND // LET AMERICA VOTE ACTION FUND, FKA END CITIZENS UNITED ACTION FUND | Washington | DC | 1 | 2026-05-17 |
| EMPIRE CONSULTING GROUP | Washington | DC | 32 | 2026-05-17 |
| EMERGENT STRATEGIES | WASHINGTON | DC | 1 | 2026-05-17 |
| EMERGENT BIOSOLUTIONS INC. | Washington | DC | 1 | 2026-05-17 |
| EMC STRATEGY GROUP, LLC | San Antonio | TX | 3 | 2026-05-17 |
| EMBRAER AIRCRAFT HOLDING, INC. | FORT LAUDERDALE | FL | 1 | 2026-05-17 |
| ELWELL & ASSOCIATES, LLC | Fairfax Station | VA | 1 | 2026-05-17 |
| ELLEN FERN | Washington | DC | 4 | 2026-05-17 |
| ELITE STRATEGIC SERVICES | Mount Pleasant | SC | 8 | 2026-05-17 |
| ELITE REAL ESTATE & FINANCE LLC | Orlando | FL | 1 | 2026-05-17 |
| ELI LILLY AND COMPANY | WASHINGTON | DC | 1 | 2026-05-17 |
| ELEVATE GOVERNMENT AFFAIRS, LLC | Washington | DC | 2 | 2026-05-17 |
| ELEVATE ENERGY | Chicago | IL | 2 | 2026-05-17 |
| ELEVANTA, LLC | Washington | DC | 2 | 2026-05-17 |
| ELENI KALISCH | Alexandria | VA | 1 | 2026-05-17 |
| ELECTUS GOVERNMENTAL AFFAIRS | Clayton | NC | 5 | 2026-05-17 |
| ELECTROLUX NORTH AMERICA | Charlotte | NC | 1 | 2026-05-17 |
| ELECTRIC POWER SUPPLY ASSOCIATION | Washington | DC | 1 | 2026-05-17 |
| EKLUTNA, INC. | Eagle River | AK | 2 | 2026-05-17 |
| EJK, LLC | Rockville | MD | 5 | 2026-05-17 |
| EIS SOLUTIONS | Denver | CO | 14 | 2026-05-17 |
| EHRLICH & ASSOCIATES | Falls Church | VA | 7 | 2026-05-17 |
| EFRUS FEDERAL ADVISORS LLC | Vienna | VA | 2 | 2026-05-17 |
| EFB ADVOCACY, LLC | Washington | DC | 9 | 2026-05-17 |
| EDWARD C. OLIVARES, LLC | Fredericksburg | VA | 7 | 2026-05-17 |
| EDUCATION FINANCE COUNCIL, INC. | Washington | DC | 1 | 2026-05-17 |
| EDMUND GRABER | Fairfax | VA | 4 | 2026-05-17 |
| EDISON INTERNATIONAL | WASHINGTON | DC | 1 | 2026-05-17 |
| EDGE CREEK PARTNERS | Royal Oak | MD | 2 | 2026-05-17 |
| EDENS ADVISORY, LLC | The Plains | VA | 2 | 2026-05-17 |
| ECONOMIC SECURITY PROJECT ACTION, INC. AND ITS AFFILIATES | New York | NY | 1 | 2026-05-17 |
| ECONOMIC POLICY STRATEGIES | Washington | DC | 3 | 2026-05-17 |
| ECMC SHARED SERVICES CO. OBO ECMC | Minneapolis | MN | 1 | 2026-05-17 |
| ECKERT SEAMANS CHERIN & MELLOTT, LLC | WASHINGTON | DC | 1 | 2026-05-17 |
| ECA STRATEGIES, INC. | Plano | TX | 1 | 2026-05-17 |
| EB CONSULTING | Lexington | KY | 1 | 2026-05-17 |
| EASTMAN KODAK COMPANY | Rochester | NY | 1 | 2026-05-17 |
| EASTER SEALS SERVING DC|MD|VA, INC. | Silver Spring | MD | 1 | 2026-05-17 |
| EAST END GROUP, LLC | Wasington | DC | 8 | 2026-05-17 |
| EAST CAPITOL ADVISORS LLC | Washington | DC | 8 | 2026-05-17 |
| EARTHWORKS | Washington DC | DC | 1 | 2026-05-17 |
| EARLY WARNING SERVICES, LLC | Scottsdale | AZ | 1 | 2026-05-17 |
| EARL STOCKDALE | Rehoboth Beach | DE | 12 | 2026-05-17 |
| EAGLE POINT STRATEGIES LLC | Alexandria | VA | 6 | 2026-05-17 |
| E3 STRATEGIC CONSULTING GROUP | Port Republic | MD | 1 | 2026-05-17 |
| E2C STRATEGIES, LLC | Washington | DC | 3 | 2026-05-17 |
| E2 STRATEGIES, LLC | Washington | DC | 8 | 2026-05-17 |
| DYKEMA GOSSETT PLLC | WASHINGTON | DC | 15 | 2026-05-17 |
| DUTKO WORLDWIDE, LLC | WASHINGTON | DC | 5 | 2026-05-17 |
| DUTKO GOVERNMENT RELATIONS | Washington | DC | 40 | 2026-05-17 |
| DURANTE ASSOCIATES, INC. | Potomac | MD | 2 | 2026-05-17 |
| DUPONT DE NEMOURS, INC. | Waukee | IA | 1 | 2026-05-17 |
| DUNKEL GOVERNMENT RELATIONS | Alexandria | VA | 7 | 2026-05-17 |
| DUNHAM LAW & POLICY PLLC | Reston | VA | 4 | 2026-05-17 |
| DUNE RIDGE ADVISORS | Isle of Palms | SC | 1 | 2026-05-17 |
| DUMBARTON GROUP, LLC | Tallahassee | FL | 2 | 2026-05-17 |
| DUE SOUTH ADVOCACY, LLC | Fort Lawn | SC | 2 | 2026-05-17 |
| DUDLEY STRATEGIES | FORTSON | GA | 1 | 2026-05-17 |
| DUCKS UNLIMITED, INC | WASHINGTON | DC | 1 | 2026-05-17 |
| DUCK DUCK GO, INC. | Paoli | PA | 1 | 2026-05-17 |
| DUANE MORRIS GOVERNMENT STRATEGIES | Pittsburgh | PA | 7 | 2026-05-17 |
| DSD ADVISORS, LLC | Cincinnati | OH | 10 | 2026-05-17 |
| DS2 GROUP, LLC | WASHINGTON | DC | 9 | 2026-05-17 |
| DRUMMOND WOODSUM STRATEGIC CONSULTING LLC | Portland | ME | 2 | 2026-05-17 |
| DREXEL UNIVERSITY | Philadelphia | PA | 1 | 2026-05-17 |
| DRAKE VENTURES, LLC | Fort Lauderdale | FL | 4 | 2026-05-17 |
| DQB INTERNATIONAL | SAN ANTONIO | TX | 1 | 2026-05-17 |
| DPWN HOLDINGS (USA) INC. (FORMERLY KNOWN AS DEUTSCHE POST WORLD NET USA, INC.) | WASHINGTON | DC | 1 | 2026-05-17 |
| DOWNS GOVERNMENT AFFAIRS | Washington | DC | 82 | 2026-05-17 |
| DOWNING STREET STRATEGIES LLC | Gainesville | VA | 1 | 2026-05-17 |
| DOW SOLUTIONS INC. | Derwood | MD | 1 | 2026-05-17 |
| DOUCET CONSULTING SOLUTIONS, LLC | Falls Church | VA | 10 | 2026-05-17 |
| DOUBLEVERIFY | New York City | NY | 1 | 2026-05-17 |