WGA is here to help you find a professional who is knowledgeable and trustworthy to assist in your geothermal technology needs. These members have gone through a very strict application process and have proven to the WGA board and members, that they are geothermal professionals.

Please find below a list of members.  You will notice some of them have a Geothermal Installer (MGI) designation. To learn more about the Master Geothermal Installer designation, please click HERE.

Contractors: Geothermal heat pump contractors, ground loop contractors, or well contractors. These are the guys who can help you!

Affiliate: These are the companies such as designers, distributors, manufacturers of geothermal heat pump related products, or those who otherwise provide service to the geothermal industry.

Manufacturers: These are the manufacturers WISGEO members know provide the best in geothermal components such a piping, heat pumps and more. Visit their website(s) for incentives, detailed information and more.

Distributor: Geothermal distribution companies.

Retired: These are the kind of people with a great deal of experience. Got questions? They’ve got answers.

Need some help in understanding how to chose a professional? Read more about what you need to know in order to make an informed decision and download our Contractor Questionnaire.

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