813312  Environment, Conservation, and Wildlife Organizations 

This U.S. industry comprises establishments primarily engaged in
promoting the preservation and protection of the environment and
wildlife. Establishments in this industry address issues, such as 
clean air and water; global warming; conserving and developing 
natural resources, including land, plant, water, and energy 
resources; and protecting and preserving wildlife and endangered 
species. These organizations may solicit contributions and offer 
memberships to support these causes. 

The data published with NAICS code 813312 are comprised of these parts 
of the following SIC industries:

     8399 (pt)  Environment, Conservation, and Wildlife Organizations
     8699 (pt)  Humane Societies