Our Members

Meet the organizations that enable our efforts to educate and advocate on behalf of those using the earth to save the earth.
DID YOU KNOW?
The Geysers Geothermal Complex in California is the largest geothermal installation in the world.
Earth Energy Visionaries

  

             
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Baker Hughes Logo 2025
                 
                                      
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BHE Renewables
                      
                                        
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Calpine Geysers logo
                
                  
           
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Eavor Logo
 
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Exceed Geo Energy
 
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SLB Logo
 
           

 

 

 

Geothermal Champion Members
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Chevron 2024
           
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Egg Geo 2024
       
            
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EXPRO Logo 2025

 

 
       
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Fervo 2024
   
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Halliburton Logo 2025
       
 
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Kurita Logo 2024
   
       
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Nabors
 

 

 

 

 

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NOV 2024
       
 
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ORMAT 2024
   
       
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OXY 2024
          
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Sinclair Well Products and Services Logo 2025
       
 
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Southern Company Logo
   

 

 

 

Clean Energy Sustainer Members
 
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Baseload Capital
                
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Calif Energy Comm
              
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D-Tech
           

                                   

                                        

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Geologica
                   
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NREL1
                   
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Peseco
       

 

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XGS Energy
 
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Vallourec
 
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Zanskar
       

 

         
       

  

 

Renewable Energy Enthusiast Members

Controlled Thermal Resources 
Cyrq Energy, LLC. 
Drill Cool Systems 
Ensign US Drilling CA
H&P Inc. 
Jacobs 
Kenai Drilling Ltd. 
Major Drilling

Northern California Power Agency
Open Mountain Energy, LLC. 
Welltec Inc.

 

Small Organization or Startup Member

Alpine Energy Group
BiaTech

Breakthrough Energy
BS&B Safety Systems, LLC
Butting
Caltrol, Inc.
Cambria County Association
Carbon Solutions Group
CFM San Diego, Inc.
Chem Treat, Inc.
Cladtek
Clean Air Task Force
ClearPath
Coastal Technologies
Encompass Geothermal Solutions
EnviTrace LLC
EvapTech, Inc.
Exergy International SRL
Freemyer Industrial Pressure
Frontier Project Solutions
Fuji Electric Co. Ltd. 
FutEra Power Corp.
Geothermal Holdings Inc.
Geothermal Resource Group
Green Therma Aps
GreenFire Energy Inc.
HEET
Hephae Energy Technology
Hexagon Energy
Horizon Well
Ignis Energy
Instrumental Software Technologies, Inc (ISTI)
ITT Goulds Pumps
Jim Ray Company
Joule Sales and Marketing, LLC.
JRG Energy
KALYOSPHERE
KMS Technologies
Lamons
Luminate, LLC




             

             

MicroThermal Energy
Mitisubishi Materials Corporation

Nalco Water, An Ecolab Company
Nikkiso - Cryogenic Industries
OLI Systems, Inc.
Panorama Environmental. Inc.
Parker Wellbore
Perfect Temp Geothermal
Planet People Profit LLC
PM International Suppliers, LLC
Power Engineers, Inc.
Quaise Energy
REXA, Inc.
Sage Geosystems
Sandia National Laboratories
Scientific Drilling International
Scientific Web Services
SCV valves
Seequent
Sonoma Clean Power
Stabil Drill
Storengy
TGS
The GreyEdge Group LLC
The Leighty Foundation
Thermochem, Inc.
Thru Tubing Solutions
TLS Geothermics
Toshiba America Energy Systems Corp.
Tuya Terra Geo Corp.
Valley Perforating Co
Vector Process Solutions
Veizades & Associates, Inc.
Weatherford
Webco Industries
West Japan Engineering Consultants, Inc.