It is a listing of businesses and organizations that are either producing a sustainable products or services. A company that installs green products or provides services that are green by nature. For example a company that makes insulation from recycled jeans. Another example would be a construction company that installs energy efficient windows or spray on insulation.

This list also includes companies that have installed or implemented sustainable products and services. An example would be a body shop that uses solar and wind power to generate their electricity. Another example would be a hotel that uses all low flow toilets, reduced flow shower heads and alternative energy for their electricity, heating and cooling.