DuBois & King

Planning and Transportation Engineering.

Website

About the firm

DuBois & King is a multidisciplinary professional consulting practice providing planning, engineering, survey, permitting, and environmental services since 1962. Its technical disciplines span civil, structural, environmental, mechanical, and electrical engineering, surveying, and landscape architecture. D&K serves federal and state agencies, municipalities, healthcare and education facilities, industrial and commercial buildings, housing developments, and energy sector clients. Operating as a 100 percent entity, it focuses on delivering collaborative, sustainable, and resilient solutions for municipal and regional infrastructure across New England, New York, and the Southwest.

Established
1962
Firm type
Civil Engineering · Structural Engineering · Environmental Engineering · Mechanical Engineering · Electrical Engineering · Transportation Engineering · Water / Wastewater Engineering · Land Surveying · Landscape Architecture

People

Justin VertichioChief Financial Officer

Leslie FillionVice President of Business Operations

Chris TempleDivision President, DeWolfe Engineering

Capabilities

Supports development programs across transportation and community-development contexts, including environmental and land-use initiatives.

Transportation Engineering

Service website

Develops design solutions for vehicular, pedestrian, and bicycle networks, spanning roadways, complete streets, and multi-use paths.

  • Bicycle and Pedestrian Infrastructure

    Encompasses planning and design of non-motorized transportation networks to fit challenging urban areas and rural corridors.

    • Multi-Use Pathways and Sidewalks

      Designs pathways and pedestrian routes to address challenging urban settings and rural environments.

    • Rail Trail Conversions

      Rehabilitates former rail corridors into public multi-use trail networks.

    • Safe Routes to School Projects

      Implements safety enhancements near schools to protect students and encourage active transportation.

    • Traffic Calming and Signalization

      Configures radar feedback, pedestrian signals, and lane narrowing to manage traffic speeds.

    • Right-of-Way Services

      Secures property rights and easements for infrastructure development.

Civil and Survey Services

Service website

Delivers design and surveying solutions for municipal, commercial, and utility infrastructure projects.

Water, Dams, and Hydro Engineering

Service website

Addresses public and private sector needs for water supply, wastewater processing, dam rehabilitation, and hydroelectric facilities.

Environmental Services

Service website

Offers natural resource planning, regulatory permitting, and ecological engineering.

  • Environmental Planning

    Analyzes regulatory impacts and ecological constraints for regional development.

  • Environmental Permitting

    Navigates local, state, and federal environmental compliance and approval processes.

MEP and Structural Engineering

Service website

Provides technical engineering for building systems and structural stability.

  • Mechanical Engineering

    Designs heating, ventilation, and air conditioning systems for commercial, education, and health facilities.

  • Electrical Engineering

    Engineers power distribution, lighting, and electrical infrastructure for buildings and sites.

  • Plumbing Engineering

    Develops commercial plumbing and piping systems.

  • Structural Engineering

    Performs structural design and analysis for new constructions, additions, and historic restorations.

Construction Phase Services

Service website

Supports projects during bidding and construction with technical oversight and administrative assistance.

  • Bid Administration

    Assists clients with procurement, bid review, and contractor selection.

  • Construction Observation

    Provides on-site monitoring of construction progress to verify compliance with plans.

  • Construction Management

    Manages project timelines, coordination, and administrative requirements on site.

Industries

Transportation · Highways & Roads · Water Supply · Wastewater · Hydroelectric · Power Generation · Environmental & Remediation · Government · Healthcare · Education · Infrastructure

Projects

Glencliff Micro-Hydro

New Hampshire · Hydroelectric · 2025

Project details

Upgraded a hydroelectric dam to provide a 120-bed off-grid care facility with up to 25% of its power needs.

Upper Wilson Pond Dam

New Hampshire · Water Supply · 2025

Project details

Completed engineering services for the rehabilitation of the Upper Wilson Pond Dam, receiving an ACEC-NH Engineering Excellence Silver Award.

Curtis Pond Dam

Vermont · Water Resources · 2025

Project details

Executed dam rehabilitation works that received recognition from the American Council of Engineering Companies of Vermont.

Crescent Connector

Vermont · Highways & Roads · 2025

Project details

Developed a regional transportation connector project recognized by the American Council of Engineering Companies of Vermont.