We're a consulting engineering firm offering a full range of services throughout
Montana, Washington, Idaho, North Dakota and Pennsylvania.

Landscape Architecture
Water & Wastewater
Funding Procurement

Services Designed with You in Mind

  • Civil Engineering

    Civil Engineering

    Creative solutions for structural, transportation, geotechnical & construction management Learn More about Civil Engineering
  • Structural


    Fast, accurate, cost-effective solutions for everything from bridges to buildings Learn More about Structural
  • Geotechnical


    You'll find the leading experts in the geotechnical engineering field right here Learn More about Geotechnical
  • Transportation


    Creating safe and efficient transportation designs for roads and bridges since 1965 Learn More about Transportation
  • Recreation


    From meandering bike & pedestrian paths to skate parks & wave riders, talk to our experts Learn More about Recreation
  • Surveying


    Licensed surveyors using the latest technology for commercial and residential survey projects Learn More about Surveying
  • Industrial


    We have been providing quality services to industrial clients since 1965 Learn More about Industrial
  • Construction Administration

    Construction Administration

    We ensure a smooth process from pre-bid conferences to inspection and quality control Learn More about Construction Administration
  • Water System Engineering

    Water System Engineering

    Wastewater collection and treatment solutions that are human & environment-friendly Learn More about Water System Engineering
  • Wastewater Systems

    Wastewater Systems

    We design water distribution, storage and treatment solutions for communities and individuals Learn More about Wastewater Systems

TD&H Engineering Recent Blog Posts

  • Structural Engineer and Department Manager

    TD&H Engineering is starting up a structural department in our Bozeman, Montana office. As a result, we have an immediate opening in Bozeman for a Structural Engineer and Department Manager. This is an excellent opportunity for personal growth by managing the build-up and creation of the Bozeman structural department with the assistance of our Great Falls location.
    The qualifications possessed by the successful applicant will include:

    MS degree in civil engineering with coursework (emphasis) in structural engineering.
    Excellent communication skills and the ability to interact positively with new and existing clients.
    Must be able to successfully market TD&H structural services to a variety of clients. More >

    Read More

  • Entry-Level Civil Engineer (Structural)

    TD&H Engineering has an immediate opening in the Spokane, WA office for an entry-level civil engineer with an emphasis on structural design and knowledge of CADD.
    Applicants must possess either a Bachelor of Science degree or higher from an accredited university. Certification as an Engineering Intern (E.I.) is desirable.  Exceptional communication skills, along with a strong team attitude and a positive client focus are essential.  Work will include an emphasis in structural engineering design and drafting for a wide variety of projects.
    TD&H offers a competitive compensation and benefits package, as well as opportunities for continuing education and career advancement.
    Submit your resume and cover letter, More >

    Read More

  • Wade DeBoo Named President and CEO of TD&H Engineering

    TD&H Engineering is pleased to announce Wade DeBoo, P.E. and Principal, as the new President and CEO of the company.
    DeBoo, a member of the TD&H team since 2000, will oversee operations from the company’s main office in Great Falls, Montana. He replaces retiring President and CEO David Crawford.
    “I am excited at the opportunity to step into the position of President and CEO of TD&H Engineering. This employee-owned company has a long history of success as a result of many hard-working former and current employees,” said DeBoo.
    DeBoo brings 24 years of engineering and management experience to the firm. He has a Master’s Degree in Civil Engineering with an emphasis on hydraulics, More >

    Read More

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