| Name of Stock | Percent of Total | Brief Description |
| Abengoa SA | 5.17% | (Spain) Biomass (Ethanol Cellosic Project), Solar Projects, Aluminum Recycling |
| Acciona SA | 4.56% | (Spain) Construction; Wind, Small Hydro, & Solar Thermal |
| Algonquin Power & Utilities | 0.17% | (Canada) Small Utility with Water, Electric Transmission and One Wind Farm |
| American Water Works Co. | 5.66% | Largest U.S. Water Utility |
| A O Smith | 0.42% | Efficient Water Heaters (Including Solar Water Heaters) |
| Aqua America, Inc. | 5.83% | Water Utility |
| Atmos Energy | 5.05% | Natural Gas Distribution Utility |
| Befesa Medio Ambiente SA-EUR | 0.45% | (Spain) Water Projects (Desalination), Metal Recycling |
| Brookfield Asset Management Inc. | 1.74% | (Canada) Hydroelectric, Wind Power and Real Estate Assets |
| Companhia de Saneamento (ADR) | 5.45% | (Brazil) Water Utility |
| Eaga PLC ORD | 0.21% | (United Kingdom) Residential Energy Conservation (Warm Homes Program) |
| EDF Energies Nouvelles SA | 4.86% | (France) International Wind Power Project Developer, Ocean Energy |
| EDP Renovaveis, SA Oveido | 5.19% | (Spain) International Renewable Power Generation (Mostly Wind), Ocean Energy |
| Elecnor SA | 0.64% | (Spain) Wind & Solar Projects, Electric Transmission |
| Gamesa Corporation Technologica | 3.24% | (Spain) Wind Turbine Manufacturer |
| Hafslund ASA-A | 1.12% | (Norway) Hydropower, District Heating/Renewable Energy Ventures |
| Hyflux Ltd. | 0.61% | (Singapore) Water Purification in China & S.E. Asia |
| Iberdrola Renovables SA | 4.84% | (Spain) International Renewable Energy Power Generation (Wind, Hydro & Solar, Ocean Energy) |
| ITC Holdings | 2.33% | Electric Transmission Utility - Proposed "Green Power Express" for Wind Power Projects |
| Itron | 0.68% | Automated Metering for Electricity, Water and Natural Gas |
| Koninklijke Phillips Electronics N.V. | 3.93% | (Netherlands) Lighting (LED's, Compact Fluorescent) Electronics & Healthcare |
| Kyocera Corp. (ADR) | 0.89% | (Japan) Semiconductors & #3 Solar Cell Manufacturer |
| NGK Insulators Ltd. | 0.17% | (Japan) Large Battery used by Windpower Generators |
| Nordex AG, Rostock-EUR | 0.20% | (Germany) Wind Turbine Manufacturer |
| Northwest Natural Gas | 4.31% | Natural Gas Distribution - with Energy & Conservation Programs |
| Ormat Technologies, Inc. | 4.35% | Geothermal Energy |
| Owens Corning | 2.63% | Insulation for Energy Efficiency in Buildings |
| Panasonic Corporation Ltd. | 2.20% | (Japan) Consumer & Commercial Electronics (Battery for Hybrid Cars) |
| Schneider Electric SA | 5.62% | (France) Electric Energy Efficient Technology in Buildings and Industry |
| Sims Metal Management | 0.62% | (Australia) Metal Recycling |
| SMA Solar Technology AG | 0.68% | (Germany) Inventors for Solar and Other Applications |
| Solar Millenium, AG | 2.12% | (Germany) International Solar Thermal Projects |
| South Jersey Industries | 4.91% | Natural Gas Distribution/Cogeneration and Landfill Gas Projects |
| Telvent GIT SA | 0.73% | (Spain) Information Technology (Including Solar Thermal Project) |
| TrustPower Ltd. | 1.08% | (New Zealand) Wind & Hydro in New Zealand |
| Vestas Wind Systems | 4.14% | (Denmark) Wind Turbine Manufacturer |
| Waterfurnace Renewable Energy | 0.83% | (Canada/US) Small Geothermal Installations (Homes & Business) |
