| WILLIS NORTH AMERICA INC | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Insurance, Health Issues |
| COMMUNITY ASSOCIATIONS INSTITUTE | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Telecommunications, Financial Institutions/Investments/Securities, Budget/Appropriations |
| RTI INTERNATIONAL | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Foreign Relations, Budget/Appropriations |
| VETERANS GUARDIAN | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Veterans |
| COLGATE UNIVERSITY | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Education, Environment/Superfund, Budget/Appropriations |
| SPRING VENTURE GROUP | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Medicare/Medicaid |
| HEALTHPLANONE, LLC | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Medicare/Medicaid |
| ABBVIE INC. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q2 2026 | Taxation/Internal Revenue Code, Health Issues |
| GLOBAL BUSINESS TRAVEL ASSOCIATION | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2025 | Transportation, Taxation/Internal Revenue Code, Aviation/Airlines/Airports |
| PUERTO RICO PUBLIC PRIVATE PARTNERSHIPS AUTHORITY | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2025 | Budget/Appropriations, Agriculture, Taxation/Internal Revenue Code |
| THE ESOP ASSOCIATION | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q1 2025 | Labor Issues/Antitrust/Workplace, Budget/Appropriations, Economics/Economic Development |
| IMEC IC-LINK USA, INC. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q1 2025 | Science/Technology |
| WORKDAY, INC. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q1 2025 | Agriculture, Science/Technology, Intelligence |
| YAYASAN BERBAKTI SEMANGAT INDONESIA | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q1 2025 | Economics/Economic Development, Trade (domestic/foreign), Foreign Relations |
| STARFIGHTERS SPACE, INC. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q1 2025 | Aviation/Airlines/Airports, Medical/Disease Research/Clinical Labs, Budget/Appropriations |
| MR. JAY ALIX | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q1 2025 | Government Issues, Bankruptcy |