| Name of Stock | Percent of Total | Brief Description |
| Abengoa SA | 4.75% | (Spain) Biomass (Ethanol Cellosic Project), Solar Projects, Aluminum Recycling |
| Acciona SA | 5.20% | (Spain) Construction; Wind, Small Hydro, & Solar Thermal |
| American Water Works Co. | 4.87% | Largest U.S. Water Utility |
| Applied Materials, Inc. | 0.80% | Semi Conductor Equipment Manufacturer with Solar Division |
| Atmos Energy | 3.78% | Natural Gas Distribution Utility |
| Badger Meter, Inc. | 1.72% | Water (Automatic Meter Reading Technology) Meters |
| Befesa Medio Ambiente SA-EUR | 0.35% | (Spain) Water Projects (Desalination), Metal Recycling |
| Brookfield Asset Management Inc. | 3.89% | (Canada) Hydroelectric, Wind Power and Real Estate Assets |
| Canadian Hydro Developers, Inc. | 1.69% | (Canada) Hydroelectric and Wind Energy |
| Companhia de Saneamento (ADR) | 3.81% | (Brazil) Water Utility |
| Eaga PLC ORD | 0.34% | (United Kingdom) Residential Energy conservation (Warm Homes Program) |
| EDF Energies Nouvelles SA | 5.83% | (France) International Wind Power Project Developer, Ocean Energy |
| EDP Renovaveis, SA Oveido | 6.08% | (Spain) International Renewable Power Generation (Mostly Wind), Ocean Energy |
| Elecnor SA | 0.31% | (Spain) Wind & Solar Projects, Electric Transmission |
| Energy Recovery, Inc. | 0.07% | Energy Efficient Water Purification, Desalination |
| First Solar, Inc. | 1.18% | Thin-film Solar Cells |
| Gamesa Corporation Technologica | 4.58% | (Spain) Wind Turbine Manufacturer |
| Gorman Rupp Co. | 0.59% | Industrial Water Pumps for Fresh Water & for Sewage Treatment |
| Hafslund ASA-A | 0.76% | (Norway) Hydropower, District Heating/Renewable Energy Ventures |
| Hyflux Ltd. | 0.39% | (Singapore) Water Purification in China & S.E. Asia |
| Iberdrola Renovables SA | 6.17% | (Spain) International Renewable Energy Power Generation (Wind, Hydro & Solar, Ocean Energy) |
| ITC Holdings | 0.65% | Electric Transmission Utility - Proposed "Green Power Express" for Wind Power Projects |
| Itron | 0.70% | Automated Metering for Electricity, Water and Natural Gas |
| Koninklijke Phillips Electronics N.V. | 1.55% | (Netherlands) Lighting (LED's, Compact Fluorescent) Electronics & Healthcare |
| Kyocera Corp. (ADR) | 1.00% | (Japan) Semiconductors & #3 Solar Cell Manufacturer |
| NGK Insulators Ltd. | 0.14% | (Japan) Large Battery used by Windpower Generators |
| Northwest Natural Gas | 4.52% | Natural Gas Distribution - with Energy & Conservation Programs |
| Ocean Power Technologies, Inc. | 0.06% | Wave Energy Device |
| Ormat Technologies, Inc. | 4.90% | Geothermal Energy |
| Owens Corning | 1.61% | Insulation |
| Panasonic Corporation Ltd. | 0.82% | (Japan) Consumer & Commercial Electronics (Battery for Hybrid Cars) |
| Quanta Services, Inc. | 0.96% | Electric Power Transmission & Distribution Construction Services |
| Renewable Energy Holdings PLC | 0.05% | (United Kingdom) Wind Projects and Ocean Energy Technology |
| Schneider Electric SA | 5.55% | (France) Electric Energy Efficient Technology in Buildings and Industry |
| Sims Group Ltd. | 0.52% | (Australia) Metal Recycling |
| Solar Millenium, AG | 2.20% | (Germany) Solar Thermal Projects |
| South Jersey Industries | 5.21% | Natural Gas Distribution/Cogeneration and Landfill Gas Projects |
| Stantec, Inc. | 0.65% | (Canada) Engineering, Architecture, Environmental Consulting |
| Telvent GIT SA | 0.78% | (Spain) Information Technology (Including Solar Thermal Project) |
| TrustPower Ltd. | 1.20% | (New Zealand) Wind & Hydro in New Zealand |
| Vestas Wind Systems | 4.57% | (Denmark) Wind Turbine Manufacturer |
| Waterfurnace Renewable Energy | 0.88% | (Canada/US) Small Geothermal Installations (Homes & Business) |
| Whole Foods Market | 1.25% | Natural Foods |
