Products & Services
Sewall provides integrated services in engineering, geospatial, natural resources, and business management consulting to government and industry. In this section of the web site, we provide information according to service area.
Civil, structural, and traffic engineering; utilities infrastructure mapping and asset management; and surveying
Integrated solutions to managing water resources and water quality
Over 60 years’ experience in aerial photography and photogrammetric mapping and a legacy in accurate geospatial data
Innovative solutions in mapping, GIS, and web services
Appraisal and inventory; forest management, management planning, and modeling; and natural resources mapping and GIS
Geospatial-derived solutions for managing timberland assets