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James W. Sewall


Addressing E911 response E911 response

Geospatial Solutions


A broad range of services beyond photogrammetry, including parcel, utilities infrastructure, natural resource, and cemetery mapping; and address geocoding for E911


GIS project implementation from strategic planning and needs assessment to systems integration and application development

Web Services

Reduced technology costs with web hosting, on-line applications, and a secure geoportal for the collection, distribution, and resale of geospatial data

Cemetery mapping

related services

Cemetery data management (PDF)

Sewall GeoPower: Portal technology for shared services

Featured Project

Rockland County, New York, GIS Portal



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