Insights

Regional footprint TD&H Engineering serves multiple Western states (Montana, Washington, Idaho, North Dakota) with a history dating back to 1965, indicating established local presence and potential cross-state project opportunities in civil engineering, water, transportation, and studies.

Diverse client base A wide client mix from individuals and rural water districts to large urban corporations suggests opportunities to cross-sell services across sectors such as municipal water/wastewater, transportation infrastructure, and site development consulting.

Awarded credentials Recent industry recognition, including a 2022 Honor Award from the American Council of Engineering Companies Montana, signals credibility and a case-study foundation to win new bids, especially on studies and feasibility projects.

Growth through hiring Frequent new-hire activity in 2021–2022 across environmental, structural, and transportation roles indicates organizational growth and a willingness to expand capabilities, presenting opportunities to offer complementary engineering services or subcontracting partnerships.

Technology modernization Adoption of tools like AutoCAD, SOLIDWORKS, ArcGIS, and cloud-based collaboration (Microsoft 365, Teams) points to a tech-enabled delivery model that can be paired with digital twin, GIS-driven planning, or BIM-led projects for clients pursuing modernized, data-rich solutions.

Similar companies to TD&H Engineering

TD&H Engineering Tech Stack

TD&H Engineering uses 8 technology products and services including AutoCAD, SOLIDWORKS, WordPress, and more. Explore TD&H Engineering's tech stack below.

Media & News

TD&H Engineering's Email Address Formats

TD&H Engineering uses at least 4 email formats:
TD&H Engineering Email FormatsExamplePercentage
First.Last@tdhengineering.comJohn.Doe@tdhengineering.com
90%
Last@tdhengineering.comDoe@tdhengineering.com
8%
FirstL@tdhengineering.comJohnD@tdhengineering.com
1%
FLast@tdhengineering.comJDoe@tdhengineering.com
1%

Frequently Asked Questions

What is TD&H Engineering's phone number?

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You can contact TD&H Engineering's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is TD&H Engineering's official website and social media links?

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TD&H Engineering's official website is tdhengineering.com and has social profiles on LinkedIn.

How much revenue does TD&H Engineering generate?

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As of August 2026, TD&H Engineering's annual revenue is estimated to be $25M - $50M.

What is TD&H Engineering's SIC code and NAICS code?

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TD&H Engineering's SIC code is 8742 - Management Consulting Services and NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does TD&H Engineering have currently?

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As of August 2026, TD&H Engineering has approximately 109 employees across 2 continents, including North America and Europe. Key team members include Vice President: S. M., Director Of Lab Operations: B. L. and Regional Office Manager: M. S. Explore TD&H Engineering's employee directory with LeadIQ.

What industry does TD&H Engineering belong to?

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TD&H Engineering operates in the Civil Engineering industry.

What technology does TD&H Engineering use?

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TD&H Engineering's tech stack includes AutoCAD, SOLIDWORKS, WordPress, Shopify, Microsoft 365, Microsoft Teams, Adobe Creative Suite and ArcGIS.

What is TD&H Engineering's email format?

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TD&H Engineering's email format typically follows the pattern of First.Last@tdhengineering.com. Find more TD&H Engineering email formats with LeadIQ.

When was TD&H Engineering founded?

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TD&H Engineering was founded in 1965.
TD&H Engineering logo

TD&H Engineering

Civil EngineeringMontana, United States51-200 Employees

TD&H Engineering is a regional civil engineering consulting firm based in Great Falls, Montana. It provides planning, design, and evaluation services for infrastructure projects across Montana, Washington, Idaho, North Dakota, and Pennsylvania. Its client base ranges from individuals and rural water districts to large corporations, and it supports projects from concept development through construction completion.

Founded in 1965, the firm emphasizes applying knowledgeable professionals to deliver practical engineering solutions. In 2022, TD&H earned the Honor Award in the Studies, Research and Consulting Category from the American Council of Engineering Companies, Montana Chapter, for the City of Great Falls Lift Station No. 1 and Supplemental Forcemain Feasibility Study.

Section iconCompany Overview

Phone number
SIC Code
8742 - Management Consulting Services
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
1965
Employees
51-200

Section iconFunding & Financials

  • $25M - $50M

    TD&H Engineering's revenue is estimated to be in the range of $25M - $50M

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