- AJL Solar Electric
 - Lake Havasu City - Offers a variety of solar panels, inverters, battery chargers, and more. - Deluge, Inc
- Phoenix - Offers thermal hydraulic engines to replace electric motors, steam turbines, and other engines in any application.
- ETA Engineering, Inc.
- Tempe - Offers renewable energy systems design and distribution specialising in solar modules, inverters, and photovoltaic charge regulators.
- Southwest Windpower, Inc.
- Flagstaff - Supplier of small battery charging wind turbines. Products are used to bring electricity into rural areas of the world.
- SunAmp Power
- Scottsdale - Designs and supplies solar energy systems for the home.
- Wintec Energy, Ltd
- Palm Springs - Providers of wind powered electricity.
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