Sewall provides professional engineering, survey, geospatial, and geospatial forestry consulting services, providing end to end delivery for infrastructure design projects and specialized forestry assessment services. We know that to provide the most comprehensive service for our clients, our team must work to understand all of a project’s goals and how they interact with one another. To inquire about Sewall’s suite of services please see our office locations and contact us with the form below.
James W. Sewall Company Corporate Headquarters 77 Exchange Street, Suite 401 Bangor, Maine 04401
(800) 648-4202 (207) 827-4456 Treadwell Franklin Infrastructure/Sewall Office 14 York Street, Suite 102 Portland, Maine 04101 (800) 648-4202 (207) 817-5465 Treadwell Franklin/Sewall/Infraspect Office 200 International Drive, Suite 195 Portsmouth, New Hampshire 03801 (800) 648-4202 (727) 372-2900 Sewall Regional Offices Caribou, Maine (207) 492-1014 Summerville, South Carolina (843) 606-1022