The Alessandra Foundation

American Concrete Pipe Association

American Society for the Prevention of Cruelty to Animals (ASPCA)

Association of Plastic Recyclers

Biodegradable Products Institute

California Large Energy Consumers Association

California Mountain Biking Coalition

California Nevada Cement Association

California Outdoor Recreation Partnership, Inc.

California Park and Recreation Society

California Precast Concrete Association

CalPortland Company

Cemex

California Trails Foundation

Lehigh Hanson

County of Los Angeles

Mitsubishi Cement Corporation

National Cement Company of California

Nature Works

Novamont North America

The Recycling Partnership

Save Mount Diablo

Sierra Business Council

Sonoma County Regional Parks

U.S. Borax Inc.

Tahoe Water for Fire Suppression Partnership

Western Plastics Association