| Name of Stock | Percent of Total | Brief Description |
| Abengoa SA | 4.23% | (Spain) Biomass (Ethanol Cellosic Project), Solar Projects, Aluminum Recycling |
| Acciona SA | 4.01% | (Spain) Construction; Wind, Small Hydro, & Solar Thermal |
| American Water Works Co. | 3.00% | Largest U.S. Water Utility |
| Ameron Inc. | 0.20% | Water Pipes and Towers for Wind Turbines |
| Applied Materials, Inc. | 0.81% | Semi Conductor Equipment Manufacturer with Solar Division |
| Badger Meter, Inc. | 1.71% | Water (Automatic Meter Reading Technology) Meters |
| Baldor Electric Co. | 2.66% | Energy Saving Electric Motors |
| Befesa Medio Ambiente SA-EUR | 0.38% | (Spain) Water Projects (Desalination), Metal Recycling |
| Brookfield Asset Management Inc. | 3.85% | (Canada)Hydroelectric, Wind Power and Real Estate Assets |
| Canadian Hydro Developers, Inc. | 0.89% | (Canada) Hydroelectric and Wind Energy |
| Commercial Metals Co. | 0.64% | Recycled Steel |
| Compagnie de Saint-Gobain | 2.64% | (France) Glass, Including Low-E Glass for Energy Efficiency |
| Companhia de Saneamento (ADR) | 3.02% | (Brazil) Water Utility |
| Denso Corp. | 0.58% | (Japan) Auto Parts Manufacturer with interest in Fuel Efficiency and Hybrid Cars |
| Eaga PLC ORD | 0.07% | (United Kingdom) Residential Energy conservation (Warm Homes Program) |
| EDF Energies Nouvelles SA | 3.95% | (France) International Wind Power Project Developer |
| EDP Renovaveis, SA Oveido | 0.88% | (Portugal) International Renewable Power Generation (Mostly Wind) |
| Electrificaciones Del Nort E ORD | 0.48% | (Spain) Wind & Solar Projects, Electric Transmission |
| FuelCell Energy, Inc. | 0.06% | Molten Carbonate & Solid Oxide Fuel Cells (Primarily Commercial) |
| Gamesa Corporation Technologica | 4.98% | (Spain) Wind Turbine Manufacturer |
| Gorman Rupp Co. | 0.67% | Industrial Water Pumps for Fresh Water & for Sewage Treatment |
| Hafslund ASA-A | 1.00% | (Norway) Hydropower, District Heating/Renewable Energy Ventures |
| Hansen Transmissions | 0.32% | (Belgium) Transmissions & Gearboxes for Wind Turbines |
| Hyflux Ltd. | 0.37% | (Singapore) Water Purification in China & S.E. Asia |
| Iberdrola Renovables SA | 4.19% | (Spain) International Renewable Energy Power Generation (Wind, Hydro & Solar) |
| Itron | 0.50% | Automated Metering for Electricity, Water and Natural Gas |
| Johnson Controls, Inc. | 2.91% | Batteries (Lithium-ion) for Hybrids: Building Controls, Auto Parts |
| Koninklijke Phillips Electronics N.V. | 3.14% | (Netherlands) Lighting (LED's, Compact Fluorescent) Electronics & Healthcare |
| Kyocera Corp. (ADR) | 0.79% | (Japan) Semiconductors & #3 Solar Cell Manufacturer |
| Matsushita | 0.11% | (Japan) (Panasonic) Consumer & Commercial Electronics (Battery for Hybrid Cars) |
| NGK Insulators Ltd. | 0.10% | (Japan) Large Battery used by Windpower Generators |
| Nordex AG, Rostock-EUR | 2.46% | (Germany) Wind Turbine Manufacturer |
| Northwest Natural Gas | 2.34% | Natural Gas Distribution - with Energy & Conservation Programs |
| Ocean Power Technologies, Inc. | 0.05% | (United Kingdom) Wave Energy Device |
| Orkla-Borregaard AS, Inc. | 2.60% | (Norway) Solar Silicon (Elkem Solar, REC Group) and other Diversified Holdings |
| Ormat Technologies, Inc. | 3.32% | Geothermal Energy |
| Owens Corning | 1.92% | Insulation |
| Pennon Group PLC | 0.32% | (United Kingdom) Water Utility |
| Q-Cells AG | 3.43% | (Germany) Second Largest Solar Cell Manufacturer |
| Renewable Energy Corp. AS | 2.41% | (Norway) Produces Silicon for Solar Cells |
| Renewable Energy Holdings PLC | 0.06% | (United Kingdom) Wind Projects and Ocean Energy Technology |
| Schneider Electric SA | 3.65% | (France) Electric Energy Efficient Technology in Buildings and Industry |
| Sharp Corp. Ltd. (ADR) | 0.96% | (Japan) Consumer Goods & Largest Solar Cell Manufacturer |
| Sims Group Ltd. | 1.01% | (Australia) Metal Recycling |
| Solar Millenium, AG | 2.67% | (Germany) Solar Thermal Projects |
| Solarworld AG | 1.21% | (Germany) Solar Energy |
| Solon, AG Fuer Solartechnick | 0.47% | (Germany) Solar Energy |
| South Jersey Industries | 3.79% | Natural Gas Distribution/Cogeneration and Landfill Gas Projects |
| Stantec, Inc. | 0.44% | (Canada) Engineering, Architecture, Environmental Consulting |
| Telvent GIT SA | 0.65% | (Spain) Information Technology (Including Solar Thermal Project) |
| TrustPower Ltd. | 0.96% | (New Zealand) Wind & Hydro in New Zealand |
| Vestas Wind Systems | 5.09% | (Denmark) Wind Turbine Manufacturer |
| Waterfurnace Renewable Energy | 0.54% | (Canada/US) Small Geothermal Installations (Homes & Business) |
| Whole Foods Market | 0.80% | Natural Foods |
