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

Structural
Landscape Architecture
Transportation
Stormwater
Water & Wastewater
Funding Procurement
Surveying
New Office Locations

Services Designed with You in Mind

  • Civil Engineering

    Civil Engineering

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

    Structural

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

    Geotechnical

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

    Transportation

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

    Recreation

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

    Surveying

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

    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

  • Civil Engineer (Structural Emphasis)

    TD&H Engineering has an immediate opening in the Spokane, WA office for a civil engineer with an emphasis on structural design.
    Applicants must possess either a Bachelor of Science degree or higher from an accredited university. Certification as an Engineer-in-training is a minimum, Professional or Structural Engineering licenses (PE and/or SE) are encouraged to apply. 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 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. More >


    Read More

  • Construction Representative/Field Engineer

    The Bozeman, Montana regional office of TD&H Engineering has an immediate opening for a Construction Representative/Field Engineer. The position includes inspection, testing, and overall administrative and technical direction for projects.
    TD&H Engineering is a mid-sized civil/structural/geotechnical engineering firm with offices in Montana, Washington, Idaho, North Dakota, and Pennsylvania. This is a full-time, hourly position. TD&H is an Equal Opportunity Employer and provides competitive wages, a comprehensive benefits package, opportunities for advancement, and continuing education.
    To apply, send an email with resume, cover letter, and list of references to human.resources@tdhengineering.com This position will be open until filled. No phone inquiries please. More >


    Read More

  • Professional Land Surveyor

    The Lewiston, Idaho regional office of TD&H Engineering has an immediate opportunity for a Professional Land Surveyor.
    Applicants must possess the knowledge and experience necessary to plan, organize, and engage in land surveying to determine precise location and measurements of points, elevations, lines, areas, and contours for construction, map making, land division, titles, mining, construction staking and other purposes. Experience with legal property research and the ability to work with minimal supervision are necessary. Experience working GPS, total stations, and other standard survey equipment is a must. Travel may be required. Salary level will be dependent on experience and abilities. Professional licensure in the State of Idaho is required. More >


    Read More

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Active Projects

Our Locations

  • Kalispell Office
  • Bozeman Office
  • Spokane Office
  • Lewiston Office
  • Shelby Office
  • Watford City Office
  • Great Falls Office
  • Media Office
  • Twin Falls Office
  • Meridian Office
  • Helena Office
Kalispell Office

450 Corporate Drive, Suite 101
Kalispell, Montana 59901

406.751.5246
406.752.5230

Bozeman Office

234 East Babcock Street, Suite 3
Bozeman, Montana 59715

406.586.0277

Spokane Office

303 East 2nd Avenue
Spokane, Washington 99202

509.622.2888
509.622.2889

Lewiston Office

210 Main St
Lewiston, Idaho 83501

208.746.0938
208.746.9732

Shelby Office

1125 Oilfield Ave
Shelby, Montana 59474

406.424.8280

Watford City Office

500 2nd Avenue Southwest
PO Box 870
Watford City, North Dakota 58854

701.842.6619

Great Falls Office

1800 River Drive North
Great Falls, Montana 59401

406.761.3010
406.727.2872

Media Office

105 Chesley Drive, Ste. 203
Media, Pennsylvania 19063

610.565.3492
610.565.3493

Twin Falls Office

526C Shoup Avenue West
Twin Falls, Idaho 83301

208.733.2446

Meridian Office

850 East Franklin Road, Suite 408A
Meridian, Idaho 83642

208.898.9165

Helena Office

320 Last Chance Gulch, Suite 2F
Helena, Montana 59601

406.761.3010

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