companies A-Z
| Companies | Industry sector |
|---|---|
| ib vogt GmbH | photovoltaics |
| IBC SOLAR AG | photovoltaics |
| IGEU mbH | geothermal | solid biomass |
| IMO Antriebseinheit GmbH & Co. KG | photovoltaics |
| IMO Energy GmbH & Co. KG | wind energy | hydropower | geothermal | photovoltaics | solar thermal |
| Ingenieurbüro Dr. Vollmer | geothermal | photovoltaics | solar thermal | solid biomass |
| Inreetec GmbH | biogas |
| Intersolar 2008: Europe's largest Trade Fair for Solar Technology | photovoltaics | solar thermal |
| IRES GmbH International Renewable Energy Systems | photovoltaics |
| IRTS - Intelligent Research & Translation Services | wind energy | hydropower | geothermal | photovoltaics | solar thermal | solar thermal power plants | biofuels | solid biomass | biogas |

