MEEA Members Member Since Ameren Illinois 2010 American Council for an Energy-Efficient Economy (ACEEE) 2000 APTIM 2010 Building Potential (formerly Northwest Energy Efficiency Council) 2008 CenterPoint Energy 2004 Chicago Bungalow Association 2018 Citizens Utility Board 2011 CLEAResult 2013 CMC Energy Services 2018 Diverse Power Solutions 2023 DNV 2005 Duke Energy 2006 Elevate 2017 Energy Infrastructure Partners 2023 Evergreen Energy Partners 2018 Forth 2024 Franklin Energy 2008 Frontier Energy 2017 Future Energy Enterprises, LLC 2009 Geothermal Exchange Organization (GEO) 2023 i3 Energy 2008 ICF 2000 Inova Energy Group 2014 Leidos 2010 MidAmerican Energy Company 2006 Minority Business Development Center 2023 Missouri Botanical Garden's EarthWays Center 2009 National Energy Foundation 2015 Nicor Gas 2012 NTC 2014 Oracle Utilities 2010 PACENation 2018 Peoria Guild of Black Artists 2023 Performance Systems Development (PSD) 2018 Polyisocyanurate Insulation Manufacturers Association 2020 Power TakeOff, Inc. 2017 Resource Innovation Institute 2019 Resource Innovations 2016 SEMCO ENERGY Gas Company 2014 Solutions for Energy Efficient Logistics, LLC (SEEL) 2012 The DesignLights Consortium 2018 The JPI Group LLC 2023 TRC 2009 Utility Energy Services 2021 Utilivate Technologies, LLC 2020 Walker-Miller Energy Services 2019 Waypoint 2017