Advent Solar | www.adventsolar.com
Advanced photovoltaic (PV) cells designed to reduce the cost of solar energy to a level that makes it cost competitive with centrally generated power.

   
 

Altela | www.altelainc.com
Water remediation technology designed to dramatically reduce the cost of treating contaminated water produced by the oil, natural gas, mineral and power industries.

   
 

Atraverda | www.atraverda.com
Conductive ceramic that enables the production of bipolar batteries that are smaller, lighter and have enhanced electrical performance over conventional technologies.

   
 

CalStar Products | www.calstarproducts.com
CalStar Products, Inc. is defining the next generation of brick and other low energy building products. The company develops, manufactures and sells low-energy, low CO2 green building products for LEED commercial exteriors and hardscapes.

   
 

Catalytic Solutions (LSE: CTS.L) | www.catsolns.com
Nano-catalyst application technologies that enable production of cheaper, better catalytic converters.

   
 

Catch the Wind (TSX: CTW.S-V) | www.catchthewindinc.com
Wind sensor technology that increases the energy output of wind turbines, while reducing maintenance costs.

   
 

Clean Air Power (LSE: CAP.L) | www.cleanairpower.com
Alternative fuel systems that allow diesel engines to run on natural gas or diesel and provides significant fuel savings and enhanced environmental compliance.

     
  CoaLogix | www.coalogix.com/
Clean coal technology and services provider focused on improving the environmental footprint and efficiency of coal-fired generation plants.
   
 

Comverge (NASDAQ: COMV) | www.comverge.com
Managed service provider of power plant-scale demand response solutions for utilities trying to reduce the expense of satisfying peak power requirements.

   
 

CURRENT Group | www.currentgroup.com
Managed service provider of power line carrier networks for utility operators and residential broadband customers that delivers lowest cost network access.

   
 

Intellon (NASDAQ: ITLN) | www.intellon.com
Fabless semiconductor supplier of chips that enable home networking over existing electrical wiring at a fraction of the cost and with higher reliability than wireless.

   
 

IOSIL Energy | www.iosil-energy.com
High-tech startup focused on developing disruptive technologies that produce and recycle polysilicon for solar cell manufacturers.

   
 

The NanoSteel Company | www.nanosteelco.com
Super-hard steel alloys for more cost-effective welding, hardbanding and coatings in energy, power and industrial industries.

   
 

OwnEnergy | www.ownenergy.net
Wind energy developer focused on the underserved, mid-sized and “locally-owned” wind development segment.

   
 

PCN Technology | www.pcntechnology.com
Powerline communication and networking technology for mission critical communication in applications such as factory automation, smart grid, and energy management.

     
 

Serious Materials | www.seriousmaterials.com
Develops and manufactures sustainable green building materials that save energy, save money, improve comfort and aggressively address climate change.

     
 

Tangent Energy | www.tangentenergy.com
Developer of turnkey, renewable energy generation solutions for commercial and industrial customers.

 
 
   
 
 

Arbinet (NASDAQ: ARBX)
Avista Advantage (acquired)
CableMatrix (acquired)
Capstone Turbine (NASDAQ: CPST)
Coastal Security Systems (acquired)
Enerwise Global Technologies (acquired)
Extant (acquired)
Franklin Fuel Cells (acquired)
FuelQuest (acquired)
Orcom Solutions (acquired)
Pac-West Telecomm (NASDAQ: PACW)
Transportation.com (acquired)
VerticalNet (NASDAQ: VERT)