MEEA Members Member Since AIQUEOUS 2020 AM Conservation Group 2021 Ameren Illinois 2010 American Council for an Energy-Efficient Economy (ACEEE) 2000 Anura Energy 2021 Applied Energy Group 2019 APTIM 2010 Argonne National Laboratory 2011 Association of Energy Engineers (AEE) 2021 Building Potential (formerly Northwest Energy Efficiency Council) 2008 Cabanne District Community Development Corporation 2023 Cadmus 2004 Calico Energy 2020 Cascade Energy 2017 Celia Johnson Consulting 2018 CenterPoint Energy 2004 Chicago Bungalow Association 2018 Citizens Utility Board 2011 City Utilities of Springfield, MO 2015 CLEAResult 2013 CMC Energy Services 2018 Columbia Water and Light 2008 ComEd 2000 Copeland 2019 Daikin North America LLC 2019 Diverse Power Solutions 2023 DNV 2005 E Source 2010 Edison Foundation Institute for Electric Innovation 2009 Elevate 2017 Energy Education Council 2007 Energy Infrastructure Partners 2023 Energy Resources Center at UIC 2000 Erthe Energy Solutions 2018 Evergreen Energy Partners 2018 Evergy 2016 Forth 2025 Franklin Energy 2008 Frontier Energy 2017 Fujitsu General America, Inc. 2014 Future Energy Enterprises, LLC 2009 Geothermal Alliance of Illinois 2011 Greenlite 2019 Group O, Inc. 2018 GTI Energy 2017 Guidehouse 2003 i3 Energy 2008 ICF 2000 Illinois EPA 2017 ILLUME 2018 Inova Energy Group 2014 Integral Analytics 2022 Leidos 2010 Lennox Industries 2018 Metropolitan Energy Center 2020 Michaels Energy 2011 MidAmerican Energy Company 2006 Missouri Botanical Garden's EarthWays Center 2009 Missouri Department of Natural Resources – Division of Energy 2000 Missouri Energy Initiative 2014 Mitsubishi Electric Trane HVAC US LLC 2010 Mulder Consulting, LLC 2021 National Energy Foundation 2015 National Energy Improvement Fund, LLC 2023 Nest 2015 Nicor Gas 2012 NTC 2014 Onbe 2023 Opinion Dynamics 2008 Oracle Utilities 2010 Pearl Certification 2018 Peoples Gas 2010 Performance Systems Development (PSD) 2018 Polyisocyanurate Insulation Manufacturers Association 2020 Power TakeOff, Inc. 2017 Resource Innovations 2016 Rheem Manufacturing 2019 Senior Services Plus, Inc. 2023 Shelton Solutions, Inc. 2023 Smart Energy Consumer Collaborative 2017 Solutions for Energy Efficient Logistics, LLC (SEEL) 2012 Spire 2018 Tango 2023 The Home Depot 2024 The JPI Group LLC 2023 Threshold 2017 Trane Technologies 2017 TRC 2009 Uplight 2019 Utility Energy Services 2021 Utilivate Technologies, LLC 2020 VEIC 2015 Verdatek Solutions LLC 2020 Village of Oak Park 2018 Walker-Miller Energy Services 2019 Waypoint 2017 Willdan 2001 WPPI Energy 2018