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James W. Sewall


Sewall opens office in Portland, Maine. Regional base to offer expanded engineering, natural resource, and GIS consulting services

Sewall has opened a new office in Portland, Maine, to provide engineering, natural resource and GIS consulting services to clients in southern Maine and central New England.

Sewall’s Portland office establishes a regional base in southern Maine for delivering innovative stormwater management and energy solutions; traditional civil, water/wastewater, transportation and structural engineering; forestry and natural resource consulting; and a wide range of geospatial services, from GIS implementation and systems integration to application development and web hosting.

David Edson, Sewall President/CEO, says, “The Portland office strategically positions us to offer broader services to our clients in Portland, Greater Portland, and central New England. It is integral to expanding our customer base and partner network in this region.”

The office, which is located at 477 Congress Street, Suite 805, Portland, Maine 04101, will be jointly managed by Sewall Vice Presidents Ray Corson and Andrew Sturgeon.

About Sewall: Founded in 1880, Sewall is an international professional consulting organization specializing in energy, infrastructure, and natural resources. The company’s diverse portfolio is based upon 132 years’ experience in surveying, forest appraisal and civil engineering; 60 years’ in aerial mapping; and 30 years’ in GIS implementation. Headquartered in Old Town, Maine, Sewall has offices in the Northeast, Southeast, and Midwestern US.

For more information, please contact:  Vice President Ray Corson at 240-405-5542;; or Vice President Andrew Sturgeon at 207-852-0973; For information on Sewall services, visit the web site at:


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