This directory lists Alternative Energy Companies, Solar Panel Integrators, wind and geothermal contractors in the U.S, Canada, and internationally. Alternative energy refers to a source of green energy that is clean for the environment. For instance, solar, wind and hydro are forms of alternative energy.
Solar Energy Companies and Organizations

Solar Sphere - Offers solar power kits, solar panels, custom built systems, thin film, and training courses for homeowners and contractors looking to get started in solar power.
Solar Cheap - Offers Discount Photovoltaic, Solar & Wind Turbine Power Equipment Supply.

Boots On The Roof Solar Training - Alternative Energy training programs for Contractors, Builders, and Engineers who're adding Solar Energy Systems Installation to their service offerings. Boots on the Roof offers Wind and solar training, and Wind and Solar education for the renewable energy industry. Electricians, Roofers, Installers, and General Contractors are encouraged to attend.

Free Clean Solar - Provides tools, pricing and solar benefits information, and a community blog about solar power, wind turbines, government rebates and tax credits for the consumer. Solar panel systems, also known as photovoltaic (PV) systems, convert sunlight into electricity. FreeCleanSolar.com Connects homeowners with certified solar installers. Company has Offices located in San Francisco, California, and Cleveland, Ohio.