- Alan Stazer, environmental, EMF, radiation law provides consulting and legal representation on environmental issues related to air pollution,hazardous waste, electromagnetic fields (EMF),ionizing radiation and radon.
- BioSystems Analysis, Inc. is a 75-employee environmental consulting firm, specializes in natural and cultural resources consulting services for government, non-profit, and private clients throughout the western United States and the Pacific.
- CAL INC. Environmental Services - Full service environmental firm with expertise in environmental training,site investigations,abatement/remediation and consulting.
- EarthWrites Consulting - A full service consulting firm serving grassroots environmental non profit organizations.
- Ecological Operating Systems - Environmental quality and efficiency as strategic business opportunity: Environmental Management Systems, Integrated EcoAudits, Industrial Ecology
- Ecological Restoration and Mitigation, HRG - Habitat Restoration Group specializes in the evaluation, restoration, enhancement, and creation of native plant communities and fish and wildlife habitats.
- GEO Plexus, Inc. - Engineering Geology and Environmental Management Constulting, Remediation Risk Assessment Consultants
- GK Associates, Inc. - an Environmental Services Company - GK Associates offers environmental consulting, measurement equipment sales and services for a wide variety of applications.
- James Burchill & Associates, Inc. - Public Affairs and Public Relations consulting for Corporations, Developers and Unions in the areas of Governmental Approvals and Enviromental Clean-up in the western states.
- LSA Associates, Inc. - Environmental consulting, CEQA, NEPA, biology/wetlands surveys, restoration, archaeology, paleontology, transportation planning, noise/air quality assessment
- Sampson Engineering Inc. - Consulting engineering and environmental firm serving the western United States.
- Siino Environmental Consulting - Environmental consultant specializing in NEPA and CEQA analyses. Research and preparation of background technical reports.
- Tetra Tech's San Francisco Home Page - Tetra Tech is an environmental consulting firm providing innovative solutions to environmental problems ranging from hazardous waste investigations and remediation to environmental impact analysis and natural resources planning.
- WESTON On The Web - An international team of scientists and engineers working with business and government to economically restore, manage and preserve environmental quality.
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Clean Harbors
Solving tough problems through innovation and proven methodology. For more than 35 years, Clean Harbors has been providing comprehensive hazardous and non-hazardous waste management services to meet the needs of customers throughout North America. Clean Harbors leverages its specialized equipment, expertise, responsiveness and disposal assets across North America to provide turnkey Industrial and Field Services to our customers. Clean Harbors Oil, Gas and Lodging Services provide safe and effective practices and techniques to handle your oil and gas industry needs.
Global Environmental Services Ltd.
GES, Global Environmental Services Ltd. Is a full-service environmental firm specializing in the integrated water and wastewater management, including waste management, cleaner production and bioremediation, is your first address and single source for all your water and environmental needs. GES, specialized in planning, design, installation of water, waste and wastewater treatment facilities, Swimming pools & Renewable Energy, The company engages in the desalination of seawater and brackish water, natural, conventional and advanced wastewater treatment technologies, biosolids stabilization and effluent reclamation, application of special chemicals for water purification, operation and maintenance of landfills, water and wastewater treatment systems.