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Business Details
50+ Years
experience
Your Trusted Engineering Partner in Vermont
Founded in 1962, DuBois & King is a multidisciplinary consulting engineering firm specializing in transportation, site development, water resources, energy production, and building systems. Our team of integrated professionals collaborates to address challenges in the natural and built environment, prioritizing community health, safety, and well-being. With over six decades of experience, we serve federal and state agencies, municipalities, healthcare and education facilities, and industrial clients. Our employee-owned structure fosters a commitment to local ownership and professional growth.

We maintain rigorous quality assurance through embedded project management systems, ensuring technical accuracy and client trust. Our community engagement includes scholarships, mentorship programs, and support for arts and educational initiatives. We combine regulatory expertise with innovative solutions to minimize project risks and costs while delivering sustainable infrastructure. Our services span planning, permitting, design, and construction phase support across diverse sectors.
Services
Transportation Planning Bridge Engineering Electrical Systems Design Mechanical Systems Structural Engineering
Details
  • Year established: 1962
Highlights and features
  • We offer over 60 years of engineering experience in transportation and infrastructure projects.
  • Our employee-owned structure ensures accountability and long-term client commitment.
  • We implement rigorous quality assurance embedded in project management systems.
  • Our multidisciplinary teams address complex technical and regulatory challenges.
  • We maintain active community engagement through scholarships and mentorship programs.
Services
Transportation Planning
Our transportation planning services integrate land use analysis with multimodal design to create sustainable infrastructure solutions. We conduct traffic studies, develop complete streets plans, and provide regulatory compliance expertise for municipal and state agencies. Our approach balances community needs with technical requirements to optimize mobility and safety.
Bridge Engineering
We offer comprehensive bridge services including inspections, load ratings, and rehabilitation design. Our engineers specialize in historic covered bridge preservation and modern bridge construction using steel, concrete, and timber materials. We ensure compliance with federal and state safety standards while addressing environmental considerations.
Electrical Systems Design
Our electrical engineering team designs energy-efficient power distribution systems for commercial and institutional buildings. We provide lighting solutions, emergency power systems, and arc flash analysis while incorporating sustainable energy practices and code compliance in all projects.
Mechanical Systems
We design heating, ventilation, and plumbing systems tailored to building requirements while prioritizing energy efficiency. Our LEED-accredited professionals create sustainable mechanical solutions that meet ASHRAE standards and client-specific operational needs across diverse facility types.
Structural Engineering
Our structural engineering services cover foundation design, superstructure systems, and retrofitting for commercial and industrial facilities. Using BIM technology, we deliver constructible solutions for concrete, steel, and wood structures while ensuring compliance with local building codes and safety regulations.
Questions
What engineering services does DuBois & King specialize in?
We specialize in transportation, structural, mechanical, electrical, and environmental engineering, along with site development and water resources projects.
How long has DuBois & King been in business?
We have provided engineering services since our founding in 1962, with over six decades of industry experience.
What geographic areas do you serve?
We operate primarily in Vermont, New Hampshire, Maine, and New York, with regional offices in key locations.
What makes DuBois & King different from other engineering firms?
Our employee-owned structure, multidisciplinary approach, and commitment to community impact distinguish us from competitors.
Do you offer construction phase services?
Yes, we provide comprehensive construction phase services including project management and quality assurance.
How does the firm support community development?
We sponsor scholarships, mentorship programs, and arts initiatives while supporting local infrastructure improvements.