2006 — 2008 Clients
- Asociación Española de la Industria Eléctrica (Spain)
- British Telecom (UK)
- California Energy Commission (US)
- Canadian Electric Association
- Cellular Telecommunications & Internet Association (US)
- Cisco Systems (US)
- Edison Electric Institute (US)
- Electric Power Research Institute (US)
- Electricité de France
- Energy Center of Wisconsin (US)
- Energy Networks Association (Australia)
- Federation of Electric Power Companies of Japan
- France Telecom
- Georgia Transmission (US)
- GSM Association (Ireland)
- Hutchinson 3G (UK)
- Intel (US)
- Mobile Manufacturers Forum (Belgium, Brazil, & Hong Kong)
- Alcatel (France)
- Ericsson (Sweden)
- Mitsubishi (Japan)
- Motorola (US)
- Nokia (Finland)
- Panasonic (Japan)
- Philips (Netherlands)
- Sagem (France)
- Samsung (Korea)
- Siemens (Germany)
- Sony-Ericsson (Sweden)
- National Grid (UK)
- NiSource (US)
- NTT DoCoMo (Japan)
- Orange Communications (UK)
- Praxis42 (UK)
- State University of New York (US)
- Telefónica O2 Europe (UK)
- Telstra (Australia)
- United Kingdom Department of Health
- United States Environmental Protection Agency - AgStar
- United States Military Tri-Service
- Vodafone (UK)
- Wisconsin Focus on Energy (US)
- World Health Organization (Switzerland)
- Xcel Energy (US)