| ALEUT CORPORATION | BIRCH, HORTON, BITTNER & CHEROT | Q1 2011 | Marine/Maritime/Boating/Fisheries, Environment/Superfund, Small Business |
| CSX CORPORATION | BIRCH, HORTON, BITTNER & CHEROT | Q3 2009 | Railroads, Natural Resources |
| UNIVERSITY OF AKRON | BIRCH, HORTON, BITTNER & CHEROT | Q2 2009 | Defense, Education, Budget/Appropriations |
| LOCKHEED MARTIN CORPORATION | BIRCH, HORTON, BITTNER & CHEROT | Q2 2009 | Defense, Budget/Appropriations |
| CITY OF COACHELLA | BIRCH, HORTON, BITTNER & CHEROT | Q4 2008 | Transportation, Budget/Appropriations |
| CSX-YUKON PACIFIC | BIRCH, HORTON, BITTNER & CHEROT | Q4 2008 | Natural Resources |
| ASSOCIATION OF AMERICAN RAILROADS | BIRCH, HORTON, BITTNER & CHEROT | Q4 2008 | Railroads |
| NEIGHBORHOOD HOUSE ASSOCIATION | BIRCH, HORTON, BITTNER & CHEROT | Q1 2008 | Education, Housing |
| BERING SEA ECCOTECH | BIRCH, HORTON, BITTNER & CHEROT | Q1 2008 | Defense, Indian/Native American Affairs |