Sewall

Sewall company information, Employees & Contact Information

Updated May 2026

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Sewall is a Civil Engineering company and founded in 1880. It has approximately 121 employees on record. Contact data was last refreshed in May 2026. Find Sewall's verified employee emails, phone numbers, headquarters address, and key decision makers below.

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James W. Sewall Company (Sewall) is a full-service consulting firm with offices in Bangor, Portland, and Caribou, Maine. The 145-year-old company offers a wide range of professional services, including civil and transportation engineering; surveying; construction administration and inspection; site location, planning, design, and permitting; renewable energy services; and GIS/data solutions (data collection & management, data solutions, application design, and applications-based geospatial products). https://sewall.com/
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