 David E. Smink, P.E. - http://members.aol.com/desminkpe/ Addressing environmental issues in the oil, gas, and petroleum industries. Based in Colorado. |
 Professional Analytical and Consulting Services, Inc. - http://members.aol.com/hnpacs/pacs.htm Providing services for major environmental cases involving water and air quality, drugs, and activated carbon. Based in Pennsylvania. |
 Waid & Associates - http://www.waid.com/ Air quality services, particularly emissions control, permitting, and compliance. Based in Texas. |
 HydroGeoLogic, Inc. - http://www.hgl.com/ Services include soil and groundwater contaminant assessment and remediation, environmental compliance audits, risk assessment, and water supply investigations. Based in Virginia. |
 Hitchings Associates, P.C. - http://www.safelab.com/ Industrial hygiene consulting firm specializing in laboratory planning, safety and design, industrial ventilation, and indoor air quality. Located in Indiana. |
 ENSR - http://www.ensr.com/ Specializing in solving and preventing a broad range of environmental problems for industry. Located in Massachusetts. |
 Tri-S Environmental, Inc. - http://www.tri-s.com/ Sensible strategies and solutions for the environment. |
 Pilko & Associates, Inc. - http://www.pilko.com/ Providing management-oriented solutions to complex environmental, health and safety challenges. Offices in California and New Jersey. |
 Environmental Liability Management, Inc. - http://www.elminc.com/ Risk management specializing in industrial and commercial properties. Based in New Jersey. |
 Lake Engineering, Inc. - http://www.lakeeng.com/ Full service environmental engineering consultants, based in Georgia. |
 Environmental Systems & Technologies, Inc. - http://www.esnt.com/ Environmental and computer technology experts, based in Virginia. |
 Heritage Technical Services, Inc. - http://www.heritageservices.com/ Providing environmental and engineering litigation support and consulting to clients throughout the Mid-Atlantic and Midwest regions. Based in Eastern Pennsylvania. |
 The Brattle Group - http://www.brattle.com/ Providing consulting services concentrated in the areas environmental matters, finance, litigation, and utilities. Offices in Cambridge, Massachusetts, Washington D.C., and London, England. |
 Stone Lions Environmental Corporation - http://www.stonelions.com/ California firm, evaluating refining, petrochemical, and chemical operations, and associated toxic exposure problems. |
 Block Environmental Services - http://www.blockenviron.com/ Environmental and laboratory services. Based in California. |
 Richard L. Meehan - http://www.stanford.edu/~meehan/la/ Specializing in geotechnical, hydrological and environmental engineering, failure analysis and investigations. Located in California. |
 Whitman Companies, Inc. - http://www.whitmanco.com/ Environmental engineering and management services. Based in New Jersey. |
 Daniel B. Stephens & Associates, Inc. - http://www.dbstephens.com/ Specialties include vadose zone and groundwater hydrology and remediation, water rights, water resources, civil and geotechnical engineering. Based in New Mexico |
 Ron Joseph & Associates, Inc. - http://www.ronjoseph.com/ Offering consulting services and expert testimony for matters involving paints, coatings and solvents, including environmental issues, regulatory compliance, equipment and facilities design, and injury cases. Located in California. |
 First Environment, Inc. - http://www.firstenvironment.com/ New Jersey firm, providing services for environmental management, site investigation, and regulation. |
 The Forrester Group Inc. - http://www.forrestergroup.com/ Environmental management services, including business management, regulatory compliance, voluntary cleanup programs and contaminated property acquisitions. Based in Missouri. |
 Clement Mesavage, Jr. - http://www.usaclem.com/ Consultant for environmental, safety, and health litigation, based in Virginia. |
 Advanced Waste Management Systems, Inc. - http://www.awm.net/ Hazardous waste management, overseas environmental project management, and environmental site evaluations. Based in Tennessee. |
 Nutter, Overcash & Associates, Inc. - http://www.nutterinc.com/ Services for waste water and sludge land treatment systems, wetland delineation and permitting, environmental, hydrogeologic, storm water, sediment, and soil investigations. Based in Georgia. |
 Plateau Ecosystems Consulting, Inc. - http://www.plateaueco.com/ Professional aquatic and terrestrial ecological consultants, offering assessment, compliance support, special studies, threatened and endangered species, laboratory services, and resource management. Based in Arvada, Colorado. |
 The Noise Consultancy, LLC - http://www.noiseconsultancy.com/ Noise enforcement and code compliance experts, offering a full range of noise-related services. |
 Trillium, Inc. - http://www.trilliuminc.com/ Pennsylvania consulting firm, emphasizing environmental chemistry. |
 Mearns Consulting Corp. - http://www.mearnsconsulting.com/ Providing solutions for environmental problems ranging from investigations and assessments to remediation. Located in California. |
 Earthward Consulting - http://www.earthwardconsulting.com/ Consultations, computer simulations, and expert testimony regarding groundwater analysis, deep well injection, and SWIFT. |
 Cambridge Environmental, Inc. - http://www.cambridgeenvironmental.com/ Assessing and helping to minimize risks to health and the environment. Based in Massachusetts. |
 Ami Adini & Associates, Inc. - http://www.amiadini.com/ Los Angeles, California-based specialists in environmental consulting, site impact assessments, hazardous waste, and storage tank issues. |
 Environmental & Turf Services, Inc. - http://www.environmentalandturf.com/ Expertise in lead and arsenic contamination of shooting ranges. Based in Maryland. |
 MET Associates - http://www.metassociates.net/ Providing expert testimony and litigation support for forensic meteorology, air pollution modeling, air dispersion analysis, and toxic tort cases. Based in Texas. |
 Silicon Valley Coating Consultants - http://www.paints-consultants.com/ Coating and corrosion consultants, experts in litigation witness, failure analysis, finishing defects, environmental regulations, and materials failures. |
 Sullivan Environmental Consulting Inc. - http://www.sullivan-environmental.com/ Expert testimony for meteorological and air quality related litigation. Alexandria, Virginia. |
 Mercury Technology Services - http://www.hgtech.com/ Texas firm, specializing in environmental issues involving mercury. |
 Technical Sciences Group, Inc. - http://www.tsgusa.com/ Consulting for the chemical, agrochemical, biotech, food products and animal health industries. |
 Epihealth Associates - http://www.ehagroup.com/ Environmental health, public health and infectious disease epidemiological investigation and litigation support services. Based in Maryland. |
 TRC Companies, Inc. - http://www.trcsolutions.com/ Environmental engineering and consulting, from offices throughout the United States. |
 Gershman, Brickner & Bratton, Inc. - http://www.gbbinc.com/ Virginia firm, providing litigation support, dispute resolution, and other consulting services to the waste management industry. |
 Campbell and Associates - http://www.mdcampbell.com/ Providing consulting services to industry and the legal community in geology, hydrogeology, water supplies, contaminant transport, and associated environmental disciplines. Based in Houston, Texas. |
 Intertox, Inc. - http://www.intertox.com/ Environmental and public health consulting firm, focusing on human health and ecological risk assessment. Seattle, Washington. |
 Scientific Control Laboratories, Inc. - http://www.sclweb.com Expert consultation and lab services on environmental and industrial issues. |
 EBA Waste Technologies - http://www.ebawaste.com/ California waste management consulting and engineering firm. |
 Risk Management Incorporated - http://www.riskmi.com/ Specializing in the assessment and management of risk from exposures to chemical and radiological hazards. Based in Massachusetts. |
 Eagle Industrial Hygiene Associates - http://www.eagleih.com/ Industrial hygiene services custom-tailored to client needs. Based in Pennsylvania. |
 Breedlove, Dennis & Associates - http://www.bda-inc.com/ Diversified environmental consulting firm, with offices in Florida and Tennessee. |
 Water Resources Consulting Services - http://www.waterengr.com/wrcs/ Civil engineering consulting firm in the field of surface water resources hydrology and hydraulics, with offices in northern California and Nevada. |
 Shield Environmental Associates, Inc. - http://www.shieldenv.com/ Offering environmental services, including preliminary investigations, reports, studies, recommendations, preparation of design drawings and construction management. Based in Kentucky. |
 Integrated Environmental Management, Inc. - http://www.iem-inc.com Consulting and services in the areas of radiation, radioactivity, nuclear science, safety and the environment. |
 Chambers & Associates - http://www.chambers-associates.org Consulting Firm specializing in the conservation of marine fish and their essential habitats. Based in Kensington, Maryland. |
 RGA Environmental, Inc. - http://www.rgaenv.com/ Providing hazardous materials management, occupational health and safety, and environmental site assessment consulting, and engineering services. Based in California. |
 Resources & Systems International, Inc. - http://www.rasint.com/ Specializing in watershed management, multi-aquifer groundwater systems, surface water resources, and litigation support. Based in Blacksburg, Virginia. |
 Environmental Litigation Associates - http://www.ela-iet.com/texasnew/ela/main/ Seven senior environmental scientists and engineers serving the legal community on a broad range of environmental and scientific matters. |
 Atlantic Environmental Inc. - http://www.atlenv.com/ Environmental, industrial hygiene and safety consulting and testing, chemical exposure, and indoor air quality experts. Located in New Jersey. |
 David F. Goldsmith - http://www.occupationalepi.com/ Consulting services and expert testimony for both federal and state cases for matters of epidemiology, environmental and occupational health. District of Columbia. |
 HSA Environmental - http://www.hsa-env.com/ Offering environmental and geotechnical engineering, construction materials testing, industrial hygiene, and information management services. Offices in Florida and South Carolina. |
 Custom Environmental Services - http://www.custom-env.com/ Small, California-based consulting firm, assisting with environmental compliance, and providing expert testimony for Phase I Site Assessments. |
 ETS Inc. - http://www.etsi-inc.com Air quality consulting firm, specializing in air emissions control, measurement, training, design, troubleshooting, and regulatory services. Roanoke, Virginia. |
 American Management Resources Corp. - http://www.amrc-environmental.com/ Offering environmental professional design services, and environmental audits. Located in Florida. |
 Quantitative Decisions - http://www.quantdec.com/ Providing advice and strategy based on analyses and interpretations of data, with an emphasis on environmental ctatistics and decision analysis. Merion Station, Pennsylvania. |
 Leslie R. Dole, Ph.D., CM - http://www.dole.nu/lesdole/ Environmental remediation consultant, with experience in the areas of treatment and disposal of radioactive, chemical hazardous wastes. Specializing in solidification and stabilization technologies. |
 Advanced Materials Center, Inc. - http://amclabs.net Environmental services, and materials and products evaluation and testing. Based in Illinois. |