| NORESCO | AJW, INC. | Q2 2018 | Budget/Appropriations, Energy/Nuclear |
| HEALTH EFFECTS INSTITUTE | AJW, INC. | Q4 2017 | Budget/Appropriations, Environment/Superfund |
| NATIONAL PROPANE GAS ASSOCIATION (NPGA) | AJW, INC. | Q3 2016 | Fuel/Gas/Oil, Energy/Nuclear |
| ENERGY RECOVERY COUNCIL | AJW, INC. | Q2 2015 | Waste (hazardous/solid/interstate/nuclear), Environment/Superfund |
| ADVANCED ENGINE SYSTEMS INSTITUTE (AESI) | AJW, INC. | Q4 2013 | Environment/Superfund |
| FOSS | AJW, INC. | Q1 2012 | Environment/Superfund, Energy/Nuclear |
| AIR-CONDITIONING, HEATING, AND REFRIGERATION INSTITUTE | AJW, INC. | Q1 2012 | Energy/Nuclear |
| EMISSIONS CONTROL TECHNOLOGY ASSOCIATION (ECTA) | AJW, INC. | Q4 2011 | Budget/Appropriations, Environment/Superfund, Automotive Industry |
| UMICORE AUTOCAT USA INC. | AJW, INC. | Q2 2011 | Environment/Superfund |
| IOGEN CORPORATION | AJW, INC. | Q2 2011 | Energy/Nuclear |
| TIBER CREEK (ON BEHALF OF THE HOME STAR COALITION) | AJW, INC. | Q3 2010 | Environment/Superfund, Energy/Nuclear |