- Colorado Association of Municipal Utilities
Source for legislative representation, training and information for its members, the 32 cities and towns throughout Colorado that own and operate their own electric and natural gas systems.
- Colorado Independent Energy Association
Members are independent power producers who work to reduce customer costs while providing clean energy
- Colorado Petroleum Association
A non-profit trade organization deeply rooted in the professional representation of the oil and gas industry
- Northern Colorado Renewable Energy Society
Promotes the social, economic, and environmental benefits of solar, wind, biomass, geothermal, and energy efficiency technologies.