2011 Exhibitors
- Advanced Energy
- AECOM
- Allana Buick & Bers, Inc.
- Alstom
- Altairnano
- American LED and Energy Corporation
- AV Inc.
- BYD America Corporation
- Community Power Corporation
- Clean Technologies and Sustainable Industries Organization (CTSI)
- EA Engineering, Science & Technology, Inc.
- Energy Industries
- Energy One Plus LLC
- First Wind
- General Atomics
- General MicroGrids, Inc.
- General Motors
- Hawaii Skylights & Solar Fans
- Hawaii Visitors and Convention Bureau
- Hawaiian Electric Company
- Hoku Corporation
- Honeywell
- Honolulu Seawater Air Conditioning
- Ideal Power Converters
- Idaho National Laboratory
- Innovations Development Group
- Lockheed Martin
- Lumen Solar LLC
- Mitsubishi Motors
- OTE Corporation
- Pacific Biodiesel
- PerkinElmer
- Phycal
- REC Solar, Inc.
- Referentia
- Renewable Energy Group
- REV Technologies
- RevoluSun
- Sandia National Laboratories
- Science Applications International Corporation (SAIC)
- Sempra Generation
- SolarCity
- Sopogy Inc.
- State of Hawaii
- Sunetric
- SWCA Environmental Consultants
- SwirlTek
- The Gas Company
- Toyota - Hawaii
- University of Houston
- USDA Rural Development
- Western Energy Systems
- Weston Solutions
