ERI - Historical Aerial Photographic Analysis & GIS Mapping
Environmental Research, Inc.

Founded in 1993 as a woman-owned small business, Environmental Research, Inc. (ERI) is a geospatial company with unique expertise in integrating current and historical aerial photographic analyses, photogrammetric mapping, and geographic information systems (GIS). With this array of scientific and technical services, we conduct environmental investigations and natural resource analyses for both government and private entities, including those in litigation. ERI offers state of the art 3-D illustrations and graphic presentations to display technical geospatial data in a clear and concise manner. These presentations have been extraordinarily effective in litigation support for a wide range of clients. ERI analysts have served as expert witnesses on hundreds of environmental litigation cases.

ERI offers in-depth expertise and experience gained in performing a variety of analyses and mapping projects throughout the United States and internationally. Our clients include U.S. Department of Justice, U.S. EPA, Army Corps of Engineers, state/county governments, and private entities such as insurance, energy, utility, chemical and manufacturing companies.

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3D Flythrough of Catastrophic Event


  • Litigation Support and Expert Witness Services
  • Analysis and Acquisition of Current & Historical Aerial Photographs
  • Topographic, Planimetric, and Volumetric Mapping
  • Image Orthorectification
  • Current & Historical Photogrammetry
  • Geographic Information Systems (GIS) Development
  • 3D Illustrations


  • CERCLA, RCRA and Brownfield Sites
  • Municipal Landfills and Industrial Waste Disposal
  • Property Damage and Disputes
  • Wetlands and Drainage Mapping
  • Failing Septic Systems
  • DoD Facilities and Ordnance Impact Areas
  • Land Use and Natural Resource Mapping
  • Abandoned Oil, Gas, and Water Wells


Environmental Research, Inc.
982 Pomeroy Road,
Front Royal, VA 22630

Phone: 540-636-4460

Email us at:

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