- 7-Eleven, Inc.
- A.P. Services, Inc
- ABB Inc.
- AdaptivCool
- Advanta Energy Corp.
- Advantage IQ
- Affordable Solar Energy Inc.
- Albany International Corp.
- Allegheny Energy Supply
- Alliance for Clean Energy New York, Inc.
- Alliance for Real Energy Options
- Alliance for Retail Choice
- Allied Cold Storage Corporation
- Alpha Quality Services
- Alyx Ann Corporation
- American Insulated Wire
- American PowerNet
- American Wind Energy Association
- Americas Waste to Energy, LLC
- Ames Law Offices
- Amtrak
- Andrews Kurth LLP
- APS Energy Services
- Ardmore Power Logistics, LLC.
- ARS International, Inc.
- Asmeix Corporation dba C-SPEC
- Asplundh Tree Expert Co.
- Atkinson Fire Safety Equipment
- Atlantic Scaffolding Company
- Bay Area ndt
- Bell Fuels Inc.
- Big Lots Stores, Inc.
- BlueStar Energy Services, Inc.
- BoRE, Inc.
- Boston Market Corporation
- BP Energy Company
- Brownholtz & Associates LLC
- Buchanan Ingersoll & Rooney PC
- California Grocers Association
- California Retailers Association
- Cargill, Incorporated
- Carrols Corporation
- CBAN, LLC
- Center for Energy Studies, Louisiana State University
- Center for the Advancement of Energy Markets (CAEM)
- CETX Energy Agency
- Chrislynn Energy Services
- Christ’s Church (Las Vegas, NV)
- Cirro Energy Services, Inc.
- Citi Realty Services
- City of Lyford, TX
- CKE Restaurants, Inc.
- Clean Currents
- CMC Energy Services
- Co-exprise, Inc.
- Coalition of Energy Suppliers
- Colorado Independent Energy Assoc.
- Columbia Rubber Corp.
- Columbia University
- Commerce Energy Inc.
- Commonwealth of Pennsylvania - Bureau of Procurement
- Competitive Power Ventures, Inc.
- Comverge, Inc.
- ConectiSys Corporation
- Conergy
- ConocoPhillips Company
- Consolidated Edison Energy
- Constellation Energy
- ConsumerPowerline
- Cornell University
- Corpus Christi Housing Authority
- Costco Wholesale
- Covidien
- Crescent Real Estate Equities
- CSI International, Inc.
- Current Group, LLC
- Cushman & Wakefield
- Customized Energy Solutions Ltd.
- CVS/pharmacy
- David B. Zabetakis, LLC
- DC Energy
- Direct Energy
- Distributed Energy Financial Group, LLC
- Dollar General
- Dollar Tree Stores, Inc.
- Douglass & Liddell
- DPL Energy
- Duquesne Light Energy, LLC
- Dynalectric
- EC Power
- Economic Development Corp., Fresno County
- Economic Growth through Competitive Energy Markets Coalition
- Edge Inspection Group, Inc.
- Einstein Noah Restaurant Group
- El Pollo Loco
- Electric Power Generation Association
- Electric Power Supply Association
- Empower Energy Solutions Corp.
- Endeum
- Energy Curtailment Specialists
- Energy Markets Coalition
- Energy Photovoltaics, Inc.
- Energy Plus Holdings LLC
- Energy Services Group, Inc.
- Energy Systems of America Inc.
- Energy Trust, LLC
- EnergyConnect, Inc.
- EnergyNext, Inc.
- EnergyRebate, Inc.
- Enermetrix
- EnerNOC
- Enerwise Global Technologies, Inc.
- Engineerworx
- Enmass, Inc.
- Entrance Software
- ePsolutions
- Eurus Energy America
- Exelon Corporation
- Fellon-McCord & Associates
- FTI Consulting
- GAP Pollution & Environmental Control Inc.
- Gearhart McKee Inc.
- Gestalt LLC
- Glacial Energy
- Glenwood Energy Partners, Ltd.
- GoGreenSolar.com
- Goldman Sachs
- Golub Corporation-Price Chopper Grocery Chain
- Good Energy, LP
- GreenSun Energy Solutions
- GSE Consulting, LP
- Hanson Building Materials America
- Henkels & McCoy, Inc.
- Hess Corporation
- Hillsdale Policy Group
- Hines – Southwest Region
- Hollywood Entertainment
- Howard University
- HQ Energy Services (US)
- Illinois Energy Association
- Illinois Energy Professionals Association
- iMonitorEnergy
- Indeck Energy Services, Inc.
- Independent Power Producers of New York
- Infrasource Inc.
- InStep Software
- InterGen North America
- Intermountain Wind, LLC
- International Finance, LLC
- Itron, Inc.- Enterprise Energy Management Group
- J.C. Penney Corporation, Inc.
- Jay Packaging Group
- Johnson Controls, Inc.
- KEMA, Inc.
- Kenny Construction Company
- Keres Consulting, Inc.
- Kimball Resources, Inc.
- Kirby Electric, Inc.
- Kohl's Department Stores
- Kraft Foods
- Leggett & Platt, Inc.
- Lewis-Goetz & Co., Inc.
- Liberty Power
- Linens 'N Things
- Little's Dental Lab
- Live Energy Inc.
- Lodestar Corporation
- Lowe's Home Centers, Inc. / Lowe's HIW, Inc.
- LS Power Development, LLC
- Lumen Group, Inc.
- Macy’s Inc.
- Manufacturing Alliance of Connecticut
- Martin Linskey Communications
- Meade Electric Company, Inc.
- Midwest Strategy Group, LLC
- Mistras Holding Group
- Morgan Stanley
- Motive Power & Equipment Solutions, Inc.
- National Center for Policy Analysis
- National Electrical Manufacturers Association
- National Grid
- National Power Source
- Nationwide Energy Partners LTD
- Navigant Consulting, Inc. (NCI)
- NBC Universal
- New England Power Generators Association
- New Era Cap co.
- Ninyo & Moore
- North America Power Partners
- Nova Machine Products Inc.
- Obsidian LLC
- Olbrych Realty Inc.
- OurEnergy
- Pacific Technical Resources, Inc.
- Papa John's International
- Patriot Energy
- PCM, Inc.
- PETCO
- Petrochem Insulation, Inc.
- PetSmart, Inc.
- Polytop Corp.
- Power Management Company
- Power Management Company New England, LLC
- PowerGrid Systems, Inc.
- PPL Corporation
- Prenova, Inc.
- Priority Power Management
- Public Energy Solutions
- Public Service Enterprise Group
- QuikTrip Corporation
- R & L Development Company
- Ra-Energy
- RadioShack Corporation
- Rapid Power Management
- Realgy, LLC
- Recurrent Energy
- Red Robin Gourmet Burgers
- Reliant Energy
- Retail Energy Supply Association
- Retail Industry Leaders Association
- Rhode Island Resource Recovery Corporation
- Safeway Inc.
- Satori Energy
- SaveOnEnergy.com
- SCD Energy Solutions
- School Project for Utility Rate Reduction
- Scott Specialty Gases
- SEM, LP (Solutions for Energy Management)
- Sempra Energy
- Seven-Utility Management Consultants, Ltd.
- Shell Trading Gas and Power Company
- Shoe Carnival, Inc.
- Sierra Energy Group Sierra Energy Group
- Silicon Valley Leadership Group
- Site Controls, Inc.
- SMC Business Councils
- Solarpowergetics, Inc.
- Spark Energy
- St. George's School
- Staffing One, Inc.
- Staples Inc.
- StarTex Power
- Strategic Energy Advisors, Inc.
- Strategic Energy, LLC
- Strategy Integration, LLC
- Sunbelt Sower/Direct Marketing Network
- Sunoco, Inc.
- Svanda Consulting
- System Source Inc.
- Systems West Computer Resources
- Target Corporation
- Telga Corporation
- TES Energy Services, L.P.
- Texas Competitive Power Advocates
- Texas Electric Professionals Association
- Texas Energy Aggregation
- Texas Energy Options, Inc.
- The Cruthirds Report
- The Danella Companies, Inc.
- The Great Atlantic & Pacific Tea Company, Inc.
- The Miriam Hospital
- Thomas Dodge Builders
- Thorco, Inc.
- TJX Companies
- Tradition Energy
- Traffic Control Services, LLC
- TRC
- TXU Energy
- U.S. Gas & Electric, Inc.
- Usource
- Wal-Mart Stores, Inc.
- Warwick Public Schools
- Western Power Trading Forum
- Western Retail Energy
- Westshare Services, Inc.
- Wind Energy Corporation
- WindPole
- World Energy
- Yuasa Battery, Inc.