Green business in Los Angeles

The City of Los Angeles Green Business Program has recertified Keystone as a Green Business through 2020. This recognition signifies that we are conducting our business using strategies aimed at improving employee wellness and productivity, energy savings, water efficiency, resource stewardship and reducing CO2 emissions. As a green business, we are committed to incorporating sustainable practices at every level of our operations as we continue striving to reduce our impact on the environment through sustainable practices and source reduction initiatives. We take pride in being part of the growing green business community of Los Angeles as well as the California Green Business Network. Learn more about all the program benefits at