| Andrews Air Force Base | 6 | 228 | 150,414.00 |
| Brandywine C&D Landfill | 28 | 28 | 51,911.75 |
| Brown Station Road Landfill | 15 | 30 | 123,882.00 |
| Corporate Press - Brightseat Road | 6 | 67 | 17,710.00 |
| Craftsman Press - Craftsman Circle | 6 | 48 | 40,995.00 |
| Duron, Incorporated | 6 | 18 | 37,893.00 |
| Editors Press | 7 | 56 | 28,539.00 |
| Goddard Space Flight Center | 7 | 554 | 130,232.00 |
| Kelly Press | 6 | 102 | 18,894.00 |
| Mcardle Printing | 6 | 228 | 29,679.00 |
| Mncppc - Sandy Hill Landfill | 21 | 42 | 232,082.00 |
| Panda Brandywine, L.P. | 6 | 22 | 277,577.00 |
| Peake Printers | 6 | 24 | 22,758.00 |
| Pepco - Chalk Point | 83 | 552 | 140,613,209.32 |
| Perkinelmer Fluid Sciences | 3 | 3 | 253.90 |
| Rockwood Pigments N.A. Inc. | 2 | 3 | 505.00 |
| S & S Graphics | 6 | 84 | 23,920.00 |
| Safeway Stores - Bread Plant | 4 | 40 | 37,856.00 |
| Stone Indl. | 1 | 2 | 755.00 |
| University Of Maryland | 6 | 371 | 275,158.48 |
| Usda Ars Beltsville Agricultural Research Center | 2 | 3 | 28.32 |
| Washington Post, The | 12 | 94 | 43,665.00 |
| Wienerberger Group (General Shale) | 15 | 30 | 79,663.46 |
