| MATERION CORPORATION | SCHUMACHER PARTNERS INTERNATIONAL, LLC | Q2 2019 | Financial Institutions/Investments/Securities, Environment/Superfund, Waste (hazardous/solid/interstate/nuclear) |
| VINYL INSTITUTE | SCHUMACHER PARTNERS INTERNATIONAL, LLC | Q4 2018 | Waste (hazardous/solid/interstate/nuclear), Transportation, Consumer Issues/Safety/Products |
| AMERICAN CHEMISTRY COUNCIL | SCHUMACHER PARTNERS INTERNATIONAL, LLC | Q4 2018 | Transportation, Chemicals/Chemical Industry |
| 3M COMPANY (FORMERLY KNOWN AS MINNESOTA MINING & MANUFACTURING) | SCHUMACHER PARTNERS INTERNATIONAL, LLC | Q2 2018 | Transportation, Budget/Appropriations, Manufacturing |
| ROBERTS WESLEYAN COLLEGE | SCHUMACHER PARTNERS INTERNATIONAL, LLC | Q3 2013 | Education, Budget/Appropriations |
| THE AN GROUP, INC. | SCHUMACHER PARTNERS INTERNATIONAL, LLC | Q4 2011 | Chemicals/Chemical Industry |
| OTO MELARA NORTH AMERICA INC | SCHUMACHER PARTNERS INTERNATIONAL, LLC | Q2 2011 | Defense, Budget/Appropriations |
| JM EAGLE | SCHUMACHER PARTNERS INTERNATIONAL, LLC | Q4 2010 | Clean Air and Water (quality) |
| WILLIAMS ADVANCED MATERIALS INC | SCHUMACHER PARTNERS INTERNATIONAL, LLC | Q2 2010 | Science/Technology |
| V SYSTEM COMPOSITES | SCHUMACHER PARTNERS INTERNATIONAL, LLC | Q4 2009 | Defense, Budget/Appropriations |
| BRUSH RESOURCES | SCHUMACHER PARTNERS INTERNATIONAL, LLC | Q4 2009 | Natural Resources |