| POLK COUNTY, IOWA | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2026 | Budget/Appropriations, Economics/Economic Development, Roads/Highway |
| UBS GROUP AG | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q2 2026 | Financial Institutions/Investments/Securities, Banking |
| CITY OF MARION, IOWA | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q2 2026 | Transportation, Roads/Highway |
| SUNRISE FOODS INTERNATIONAL (USA) INC. | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q4 2025 | Agriculture, Trade (domestic/foreign) |
| CLIMBING KITES LLC | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q4 2025 | Budget/Appropriations, Agriculture, Health Issues |
| CITY OF CEDAR RAPIDS, IOWA | CORNERSTONE GOVERNMENT AFFAIRS, INC. | Q3 2025 | Budget/Appropriations, Economics/Economic Development, Roads/Highway |