Offers a book on "Onsite Wastewater Treatment Systems."

Specializing in energy, water, waste services and communications.

Trade magazine for water remediation companies. Includes stories about current bio-hazards, new technology, and industry news.

Soil, groundwater , wastewater, and air quality assessment and remediation, plus liability management, earthquake engineering, seismic geology. Western North America.

Environmental consulting firm, provides services in water and wastewater engineering, solid and hazardous waste management, environmental sciences, air quality and performance enhancement management.

Infrastructure redevelopment firm provides redevelopment, infrastructure operations, site remediation and knowledge management to bring impaired facilities, land, water and other resources back to productive use.

Provides environmental engineering and consulting services addressing complex water contamination, cultural resource management, and other environmental problems.

Nonpoint source pollution solutions incorporating 'smart sponge' technology to permanently encapsulate hydrocarbon runoff from municipal and industrial applications.

Specializes in wastewater treatment, water purification, and municipal water treatment.

Manufacturer of water and wastewater treatment products for the municipal and industrial markets including clarifiers, filters, and media.

Specializes in the development and application of biological systems for treatment, conservation, and recycling of water, air, material and energy resources. Serves industrial, agricultural, and municipal markets.

Environmental company offering resin absorbents that remove mercury and other heavy metals from wastewater and blood analyzing equipment.

Provides a broad range of services, including water production and distribution, wastewater collection and treatment, public works services and utility submissions for multi-family properties.

Research and patent development for clients in North America. Europe and Asia. Areas of expertise include electronics recycling, eco-design and populations' ecological impact improvement practices.

Providing environmental and coastal engineers, scientists and management consultants.

Listing of environmental businesses in the United States. Covering more than 340 disciplines.

Unique and specialized structural engineering projects, oil and gas engineering, environmental assessments and reclamation, oil and gas production accounting, corrosion testing and analysis.

Engineering consultants providing design and project management services in civil, structural, building services, environmental and coastal engineering, and in archaeology and historic buildings.

Process engineering and manufacturing of plant equipment and machinery made of stainless steel for municipal and industrial water treatment. Specializing in stainless steel products for industrial equipment. Site is translated into two languages.

Full service environmental consulting and engineering companies drawing on the resources of a nationwide network of offices.