An integrated team of geospatial, engineering, utility, and natural resource consultants, Sewall partners with clients to create practical, sustainable solutions. With a 139 year heritage of ethical business practice, Sewall builds enduring relationships based on integrity, objectivity, and a broad understanding of our clients’ business environments. Our success is our clients’ success, the satisfaction of their stakeholders, and the prosperity of their communities. Sewall provides integrated services in engineering, geospatial, and natural resources consulting to government and utility industries, and innovative solutions in mapping, GIS, and web services.