| AIQUEOUS | 2020 |
| American Efficient | 2018 |
| Applied Energy Group | 2019 |
| Bidgely | 2018 |
| CenterPoint Energy | 2004 |
| CLEAResult | 2013 |
| Columbia Water and Light | 2008 |
| DNV GL | 2005 |
| Emerson Commercial & Residential Solutions | 2019 |
| EMI Consulting | 2015 |
| Energy Insight, Inc. | 2015 |
| Evergreen Consulting Group | 2018 |
| Frontier Energy | 2017 |
| Group O, Inc. | 2018 |
| Honeywell Smart Grid Solutions | 2014 |
| ILLUME | 2018 |
| JadeTrack | 2019 |
| Leidos | 2010 |
| Lime Energy | 2012 |
| Nest | 2015 |
| Oracle Utilities | 2010 |
| Performance Systems Development (PSD) | 2018 |
| Power TakeOff, Inc. | 2017 |
| TRC | 2009 |
| Uplight | 2019 |
| VEIC | 2015 |
| Waypoint | 2017 |
| West Monroe Partners | 2014 |
