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 engineering
  • Traffic/transportation engineering
  • Construction management/administration and inspection
  • Environmental permitting
  • Surveying
  • Natural resource consulting
  • Geospatial solutions, including aerial & satellite imaging, mapping, application development, and asset management

The Engineering Division includes professional engineers, professional land surveyors, GIS analysts, and technicians with expertise in virtually every discipline of civil engineering, including:

  • Solar & wind energy site design and permitting
  • Storm water management
  • Environmental permitting
  • Highway and intersection design
  • Traffic signal design and analysis
  • Maine DOT permitting
  • Corporate and municipal pavement management
  • Bridge load ratings and design

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. Sewall’s professionals assist public and private sector clients throughout the United States and Canada with projects that range in size and scope from local municipal peer review services to large, multi-year highway design and site development projects.

By leveraging the best talent in the industry, Sewall provides TFIC and its partners a critical and disciplined approach to the technical aspects of TFIC projects.


Sewall in the News

Old Town Engineering Firm Sewall, Co. Sold to Private Investment Firm

UMaine – Sewall Company Arial Photographs


Sewall header logo with TFIC tag