Montana Board of Water Well Contractors
Montana Water Well Drillers Association
North Dakota Water Well Contractors
South Dakota Water Well Drillers / Pump Installers
Utah Division of Occupational and Professional Licensing
Idaho Department of Water Resources
The Geothermal Exchange Organization is a non-profit trade association promoting ground source heat pump systems.
The International Ground Source Heat Pump Association is a non-profit member driven organization established to advance industry technology, research, and provide training for installing ground source heat pump systems.
Database of State Incentives for Renewables and Efficiency – A comprehensive site that lists state incentives for renewable energy and energy efficiency.
Water Well Resources
The National Ground Water Association is a community of groundwater professionals working together to advance groundwater knowledge through education and outreach.