Natural Gas
- INGAA Foundation
- Independent Petroleum Association of America
- American Gas Association
- US Energy Information Administration
- PGMSA — Pipeline and Hazardous Materials Safety Administration
- US Department of Energy — Natural Gas Import and Export Regulation
Environmental Commodities
- California Environmental Protection Agency — Air Resources Board
- Regional Greenhouse Gas Initiative
- Environmental Markets Association
Smart Grid / Energy Storage
- SmartGrid.Gov
- Smart Grid Information Clearinghouse
- Sandia National Laboratories — Energy Storage Systems Program
Renewable Energy Projects
- American Wind Energy Association
- Solar Energy Industries Association
- Renewable Northwest Project
- US DOE Energy Efficiency and Renewable Energy
- Database of State Incentives for Renewable Energy
