| UNITED WAY WORLDWIDE (UWW) | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2026 | Disaster Planning/Emergencies, Taxation/Internal Revenue Code, Budget/Appropriations |
| FIRSTENERGY SERVICE COMPANY | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2026 | Energy/Nuclear, Environment/Superfund |
| AMERICANS FOR RESPONSIBLE INNOVATION | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2026 | Science/Technology, Computer Industry, Budget/Appropriations |
| OPTIMUM COMMUNICATIONS (FORMERLY REPORTING AS ALTICE USA, INC.) | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2026 | Telecommunications, Taxation/Internal Revenue Code |
| VOLVO CAR CORPORATION | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2026 | Telecommunications, Trade (domestic/foreign), Automotive Industry |
| INTERNATIONAL FRANCHISE ASSOCIATION (IFA) | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2026 | Small Business, Labor Issues/Antitrust/Workplace, Consumer Issues/Safety/Products |
| FUELS AMERICA | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2026 | Taxation/Internal Revenue Code, Energy/Nuclear |
| CHARTER COMMUNICATIONS OPERATING, LLC | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2026 | Telecommunications |
| VIA TRANSPORTATION, INC. | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2026 | Transportation, Budget/Appropriations |
| ECKERD CONNECTS | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2026 | Defense, Education, Labor Issues/Antitrust/Workplace |
| AMERICAN PUBLIC TRANSPORTATION ASSOCIATION (APTA) | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2026 | Transportation, Budget/Appropriations |
| T-MOBILE USA, INC. | KOUNTOUPES DENHAM CARR & REID, LLC | Q4 2025 | Telecommunications |
| ARIZONA MINERALS, INC. | KOUNTOUPES DENHAM CARR & REID, LLC | Q4 2025 | Trade (domestic/foreign), Budget/Appropriations, Natural Resources |
| JUST TRANSITION FUND | KOUNTOUPES DENHAM CARR & REID, LLC | Q4 2025 | Economics/Economic Development |
| DIALYSIS PATIENT CITIZENS | KOUNTOUPES DENHAM CARR & REID, LLC | Q4 2025 | Health Issues |
| CLEAN SLATE INITIATIVE, INC. (CSI) | KOUNTOUPES DENHAM CARR & REID, LLC | Q4 2025 | Law Enforcement/Crime/Criminal Justice |
| NATIONAL JOB CORPS ASSOCIATON | KOUNTOUPES DENHAM CARR & REID, LLC | Q3 2025 | Labor Issues/Antitrust/Workplace, Budget/Appropriations |
| CCIA (CONSUMER CREDIT INDUSTRY ASSOCIATION) | KOUNTOUPES DENHAM CARR & REID, LLC | Q2 2025 | Insurance, Communications/Broadcasting/Radio/TV, Banking |
| BREAKTHROUGH ENERGY ACTION | KOUNTOUPES DENHAM CARR & REID, LLC | Q1 2025 | Taxation/Internal Revenue Code, Energy/Nuclear, Environment/Superfund |