| MERIDIAM INFRASTRUCTURE NORTH AMERICA CORPORATION (FKA MERIDIAM INFRASTRUCTURE) | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q3 2017 | Transportation, Budget/Appropriations |
| PRIOR SERVICE TRUST FUND ADMINISTRATION | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q2 2018 | Budget/Appropriations |
| LAS VEGAS CONVENTION AND VISITORS AUTHORITY | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q4 2017 | Transportation, Budget/Appropriations |
| US TRAVEL ASSOCIATION | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q4 2017 | Transportation, Budget/Appropriations |
| OREGON DEPARTMENT OF TRANSPORTATION | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q4 2017 | Transportation, Budget/Appropriations |
| NATIONAL AIR TRAFFIC CONTROLLERS ASSOCIATION | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q4 2017 | Aviation/Airlines/Airports, Budget/Appropriations |
| CENTER FOR TRANSPORTATION AND THE ENVIRONMENT | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q4 2017 | Transportation, Budget/Appropriations |
| CINTRA US | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q3 2017 | Transportation, Budget/Appropriations |
| D'ARTAGNAN CONSULTING, LLP | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q2 2017 | Transportation |
| PRINCE GLOBAL SOLUTIONS, LLC | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q2 2017 | Transportation, Budget/Appropriations |
| TRUCK SMART PARKING SERVICES, INC. | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q1 2016 | Transportation, Budget/Appropriations |
| SUMMIT STRATEGIES GOVERNMENT AFFAIRS LLC | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q2 2015 | Aviation/Airlines/Airports, Budget/Appropriations |
| THE MARINER GROUP | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q4 2014 | Homeland Security, Marine/Maritime/Boating/Fisheries |
| NATIONAL ASSOCIATION OF WATERFRONT EMPLOYERS | SULLIVAN STRATEGIES LLC (FKA SB CAPITOL SOLUTIONS) | Q4 2014 | Transportation, Marine/Maritime/Boating/Fisheries |
| TRUCK SMART PARKING SERVICES, INC. | MCCANN CAPITOL ADVOCATES | Q3 2014 | Transportation, Budget/Appropriations |
| PRIOR SERVICE TRUST FUND ADMINISTRATION | MCCANN CAPITOL ADVOCATES | Q3 2014 | Budget/Appropriations |
| MEDICAL ACADEMIC AND SCIENTIFIC COMMUNITY ORGANIZATION, INC. (MASCO) | MCCANN CAPITOL ADVOCATES | Q3 2014 | Transportation, Budget/Appropriations |
| MERIDIAM INFRASTRUCTURE | MCCANN CAPITOL ADVOCATES | Q3 2014 | Transportation, Budget/Appropriations |
| PRINCE GLOBAL SOLUTIONS, LLC | MCCANN CAPITOL ADVOCATES | Q3 2014 | Transportation, Budget/Appropriations |
| NATIONAL AIR TRAFFIC CONTROLLERS ASSOCIATION | MCCANN CAPITOL ADVOCATES | Q3 2014 | Aviation/Airlines/Airports, Transportation, Budget/Appropriations |
| OREGON DEPARTMENT OF TRANSPORTATION | MCCANN CAPITOL ADVOCATES | Q3 2014 | Transportation, Budget/Appropriations |
| CINTRA US | MCCANN CAPITOL ADVOCATES | Q3 2014 | Transportation, Budget/Appropriations |
| CENTER FOR TRANSPORTATION & THE ENVIRONMENT | MCCANN CAPITOL ADVOCATES | Q3 2014 | Transportation, Budget/Appropriations |
| BALL JANIK LLP | MCCANN CAPITOL ADVOCATES | Q3 2014 | Aviation/Airlines/Airports, Budget/Appropriations |
| CITY OF CHICAGO-DEPARTMENT OF AVIATION | MCCANN CAPITOL ADVOCATES | Q2 2014 | Aviation/Airlines/Airports, Transportation, Budget/Appropriations |
| MORPHOTRUST USA, INC. | MCCANN CAPITOL ADVOCATES | Q3 2013 | Aviation/Airlines/Airports, Homeland Security |
| SITA | MCCANN CAPITOL ADVOCATES | Q4 2012 | Budget/Appropriations, Homeland Security |
| CHICAGO TRANSIT AUTHORITY | MCCANN CAPITOL ADVOCATES | Q4 2012 | Transportation, Budget/Appropriations |
| MITRE CORPORATION | MCCANN CAPITOL ADVOCATES | Q3 2012 | Aviation/Airlines/Airports, Transportation, Budget/Appropriations |
| SEAPORT AIRLINES | MCCANN CAPITOL ADVOCATES | Q1 2012 | Aviation/Airlines/Airports |
| NAVTEQ | MCCANN CAPITOL ADVOCATES | Q4 2011 | Transportation, Budget/Appropriations |