TD&H Engineering Employee Directory

Q: What is TD&H Engineering known for?

TD&H Engineering was founded in 1965. TD&H Engineering operates in the Civil Engineering industry.

Q: How many employees does TD&H Engineering have currently?

TD&H Engineering has approximately 107 employees.

Civil EngineeringMontana, United States51-200 Employees

Thomas Dean & Hoskins, Inc. (TD&H) is a consulting engineering firm offering a diverse range of services throughout Montana, Washington, Idaho, North Dakota, and Pennsylvania. We serve a diverse clientele ranging from individuals and rural water districts to large corporations in populous cities. We assist our clients through all phases of their projects, starting with concept development through construction completion. TD&H has been satisfying clients since its incorporation in 1965 and has built an impressive resume of successful projects.

TD&H strives to provide innovative engineering solutions to challenging technical problems by assigning professionals who understand the issues and deliver results. We place a high priority on service and measure our success in terms of each client’s success.

Find TD&H Engineering employees' phone numbers or email addresses

TD&H Engineering Global Highlights

North America
126

United States Of America
125
Canada
1

Europe
3

Netherlands
1
United Kingdom Of Great Britain And Northern Ireland
1
Italy
1

TD&H Engineering's Leadership

T. H.
Chief Executive Officer
Mobile Phone
Email
S. M.
Vice President
Mobile Phone
Email
K. O.
Financial & Human Resources Director
Mobile Phone
Email
D. N.
Discipline Director - Water, Sewer & Storm
Mobile Phone
Email
C. L.
Director Of Lab Operations
Mobile Phone
Email
B. L.
Director Of Lab Operations
Mobile Phone
Email
M. D.
Engineering Project Manager
Mobile Phone
Email
P. K.
Laboratory Manager
Mobile Phone
Email

TD&H Engineering Employee Metrics

100%

50%

0%

2026

2025

Engineering
Arts & Design
Administrative
Community & Social Services
Biotechnology
Other

Contact profiles from TD&H Engineering

Name

Title

Contact Info

Location

Last Update

T. H.
Chief Executive Officer
Mobile Phone
Email
United StatesNorth Carolina
Mar 25, 2026
S. M.
Vice President
Mobile Phone
Email
Oct 18, 2025
K. O.
Financial & Human Resources Director
Mobile Phone
Email
United StatesMontana
Feb 06, 2026
D. N.
Discipline Director - Water, Sewer & Storm
Mobile Phone
Email
United StatesMontana
Mar 24, 2026
C. L.
Director Of Lab Operations
Mobile Phone
Email
United StatesMontana
Sep 11, 2025
B. L.
Director Of Lab Operations
Mobile Phone
Email
Oct 23, 2024
M. D.
Engineering Project Manager
Mobile Phone
Email
United StatesPennsylvania
Feb 06, 2026
P. K.
Laboratory Manager
Mobile Phone
Email
United StatesMontana
Feb 06, 2026
D. P.
V.P. / Regional Manager
Mobile Phone
Email
United StatesMontana
Feb 19, 2026
J. C.
Landscape Architecture & Planning Manager
Mobile Phone
Email
United StatesMontana
Oct 21, 2025

Frequently Asked Questions

What is TD&H Engineering known for?

TD&H Engineering was founded in 1965 operates in the Civil Engineering industry. The company's main headquarters is located in 1800 River Drive North Great Falls, Montana 59405 United States; you can contact the main corporate office by phone at

+1-208-746-****

. Explore TD&H Engineering's company overview page for more information.

What is TD&H Engineering's most common email format?

TD&H Engineering employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more TD&H Engineering email formats with LeadIQ.

How many employees does TD&H Engineering have currently?

TD&H Engineering has approximately 107 employees as of March 2026. These team members are located across 2 continents, including North AmericaEurope.

Who are TD&H Engineering's key employees and leadership?

As of March 2026, TD&H Engineering's key employees include:

Chief Executive Officer: T. H.
Vice President: S. M.
Financial & Human Resources Director: K. O.
Discipline Director - Water, Sewer & Storm: D. N.
Director Of Lab Operations: C. L.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking