- As You Sow
- Berkeley Citizens for a Toxic Free Environment
- Berkeley Ecology Center
- California Community Health Advocates
- California Earth Corps
- Californians for Pesticide Reform and Pesticide Action Network North America
- California Rural Legal Assistance
- Center for Environmental Health
- Citizens for Appropriate Waste Disposal
- Citizens for a Better Environment
- Communities for a Better Environment
- El Sobrante Legal Defense Fund
- Environmental Research Center, Inc.
- Friends of Endangered Species
- Friends of the River
- In Defense of Animals
- National Parks and Conservation Association
- Neighbors for Clean Air
- Northcoast Environmental Center
- People United for a Better Oakland (“PUEBLO”)
- Precious Whittle on behalf of West Fresno residents exposed to toxic chemicals & odors
- Ruth Abee and Alan LaPointe
- Richmond residents exposed to toxic chemicals from Richmond refinery
- Stuart Flashman
- Walter Wagner on behalf of nationwide class action
- 13 farmworkers and one resident exposed to pesticides
- 40 Oakland residents exposed to toxic chemicals
- 84 Arvin residents exposed to pesticides