Markets and Sectors

Concrete drainage sewer, gutters pipes for industrial building construction.

Water & Wastewater

Sewall engineering professionals provide public (municipalities, water utilities, state agencies) and private clients with a broad range of water, wastewater, and stormwater planning and engineering services, including permitting, modeling, design, construction administration, and inspection. We also provide utility GIS asset management and develop custom applications. Water Supply, Distribution, and Storage Sewall provides comprehensive water supply and distribution engineering services to meet the […]

Abstract background with optical Fibers. Seamless loop

Broadband & Telecom Services

Sewall offers a broad range of consulting services to help municipalities, regional community organizations, service providers and public safety organizations in expanding the availability of broadband and improving access and visibility to a community or service provider’s underlying infrastructure. Our services include: GPS asset location and inventory Pole/conduit make-ready support Broadband data development and maintenance […]

Sprague Signs Offtake Agreement with Biofine for the Carbon-Negative Biofuel EL100

The agreement is a significant step towards decarbonizing the heating oil market and commercializing Biofine’s patented technology. Biofine Developments Northeast Inc. (Biofine) and Sprague Resources LP (Sprague) are pleased to announce a transformative, long-term agreement that will bring the next generation of advanced biofuel, ethyl levulinate (EL), to the market. Sprague will also market EL, […]

TFIC Affiliate BDNE Agrees Biorefinery Site Lease with Lincoln, ME

On March 20, 2023, the Lincoln Town Council voted to approve a 20 + year lease between the Town of Lincoln and Biofine Developments Northeast (BDNE) for the development of a biofuels refinery on the site of the former Lincoln Pulp & Tissue Mill, now known as the Lincoln Technology Park. Construction of the project […]