TD&H Engineering Acquires GPD Consulting Engineers

We are thrilled to announce a significant milestone in our journey towards growth and innovation. TD&H has completed the acquisition of GPD, a renowned leader in Mechanical, Electrical and Plumbing Engineering.

Learn More

Van Winkle Stadium & Lambert Field

TD&H provided design, a traffic study update, and construction administration, along with design and construction for a new field complex at the Lambert Fields on the MSU campus.

Learn More

Great Falls Water Treatment Plant

This project won the American Council of Engineering Companies of Montana Grand Project Award Winner (2019).

Learn More

Peasley Creek Fish Passage Bridge

The project was to improve fish passage by replacing an existing box culvert and complete construction during the fish window. The project, funded jointly by the U.S. Forest Service and the Nez Perce Tribe, replaced the existing box culvert with a larger-span pipe arch.

Learn More

City of Leavenworth Commercial Street Improvements

TD&H provided the transportation design project that increased the roadway to 20’, added curb, gutter, and a 6’ wide concrete sidewalk, and improved stormwater drainage.

Learn More

Princeton's Institute for Advanced Study

The exterior structure of the Rubenstein Commons is composed of 60 unique, 10- to 11-in.-thick precast concrete panels. Ten of the panels are curved, and all were treated with a sandblast finish.

This project won the 2024 PCI Design Award: Best Higher Education/University Building

Learn More

Alexandria Virginia's Institute for Defense Analysis

The new eight-story office building is a cast-in-place concrete structure with elevated slabs that support the exterior precast concrete architectural cladding panels.

This project won the 2023 APA (Architectural Precast Association) Award for Excellence: for Design and Manufacturing.

Learn More

Medstar Georgetown University Hospital

The new six-story medical building and surgical pavilion is a cast-in-place concrete structure with elevated slabs that support the 860 exterior precast concrete architectural cladding panels.

This project won the 2023 APA (Architectural Precast Association) Award for Excellence: for Design and Manufacturing

Learn More

Exciting News!

TD&H Engineering Acquires GPD Consulting Engineers!

TDH_ServicesDesign2016-02

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

VALUED EMPLOYEES
%
EMPLOYEE OWNED
YEARS IN SERVICE
STATES LICENSED IN
OFFICES

FEATURED PROJECTS

Rubenstein Commons

View this Project

Medstar Georgetown University Hospital

View this Project
Missouri River Forcemain Crossing Feasibility Study Building

Missouri River Forcemain Crossing Feasibility Study

View this Project

Great Falls Water Main Crossings

View this Project

City of Livingston Engineering Services

View this Project

Van Winkle Stadium & Lambert Fields

View this Project

Montana Avenue Sidewalk Upgrades

View this Project

Riverview Meadows Path Improvements

View this Project

RECENT NEWS

Construction Representative/Materials Tester

October 1, 2024

Our Bozeman, MT office has an immediate Construction Representative opportunity. The Bozeman office has a fun group of hardworking engineers,…

READ FULL ARTICLE >

Entry Level Civil Engineer

August 30, 2024

The Bozeman, MT office has an excellent opportunity for a full-time Entry Level Civil Engineer. We have been around since…

READ FULL ARTICLE >

Senior Electrical Engineer

August 12, 2024

Our Great Falls, MT office has an immediate opportunity for a full-time Senior Electrical Engineer. For the right candidate, the…

READ FULL ARTICLE >

Construction Representative/Materials Tester

October 1, 2024

Our Bozeman, MT office has an immediate Construction Representative opportunity. The Bozeman office has a fun group of hardworking engineers,…

READ FULL ARTICLE >

Entry Level Civil Engineer

August 30, 2024

The Bozeman, MT office has an excellent opportunity for a full-time Entry Level Civil Engineer. We have been around since…

READ FULL ARTICLE >

Senior Electrical Engineer

August 12, 2024

Our Great Falls, MT office has an immediate opportunity for a full-time Senior Electrical Engineer. For the right candidate, the…

READ FULL ARTICLE >

Electrical Engineer

August 12, 2024

Our Great Falls, MT office has an immediate opportunity for a full-time Electrical Engineer.The Great Falls office has a fun…

READ FULL ARTICLE >
TDH-locationmap-REV3-15