Ramboll Environ US Corporation - Los Angeles, California

Foundation for Environmental Education - FEE - Copenhagen

Climaider - Copenhagen

Biogasclean A/S HQ - Odense

NATURETECH - Tylstrup

Ninyo & Moore Geotechnical and Environmental Sciences Consultants - Los Angeles, California

UGE-ECS, Inc. - Los Angeles, California

U.S. Environmental Protection Agency - Los Angeles, California

The Office of Outdoor & Environmental Education - Los Angeles, California

Kobra Environmental Inc -