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Sewall is a full-service consulting firm based in Bangor, Maine. The 142-year-old company offers a wide range of professional services, including civil and transportation engineering, surveying, construction management/administration and inspection, alternative site evaluation and permitting, land use planning, geospatial solutions (aerial & satellite imaging, mapping, application development, and asset management), and natural resources consulting.

Driven by a culture of collaboration and entrepreneurial spirit, Sewall’s engineers, surveyors, and geospatial experts partner with clients to improve communities, infrastructure, and the environment.

We leverage the best talent in the industry to move your project forward.

Sewall is proud of the role it played in the establishment of the Katahdin Woods & Waters National Monument.

Katahdin Woods & Waters National Monument

TFIC Acquires Infrastructure Preservation Corporation

Maine-based Treadwell Franklin Infrastructure Capital LLC (“TFIC”) announced today that it has completed its acquisition of 100% of the interest in assets of Infrastructure Preservation Corporation (“IPC”) based in Largo, Florida, adding to its portfolio of infrastructure services and technology offerings. IPC designs, manufactures, deploys and maintains AI-assisted robotics, fitted with state-of-the-art scanning and imaging […]

Biddeford parking garage, a symbol of the city’s rebirth, opens

When Alan Casavant spoke from the ground floor of Biddeford’s new parking garage on Tuesday, July 13, he talked about vision. He also talked about the recent past too — going back 10 years, when he was first elected mayor of this old mill city, built on the banks of the Saco River many years […]