Td&H Engineering

Now employee‑owned, the firm blends community roots with a wider footprint across Montana, Idaho, Washington, North Dakota, and Pennsylvania.

Its portfolio includes notable projects like stadium expansions, hospital wings, water‑treatment plants, and fish‑passage bridges.

Expertise spans civil, structural, environmental, and transportation engineering, including road design, culverts, and complex wastewater systems.

Frequently recognized for award‑winning work, including PCI

award precast projects and state A/E honors for infrastructure.

Clients range from rural water districts and small towns to major university campuses and large commercial developers.

Depth comes from acquired specialisms, such as MEP through the acquisition of GPD Consulting Engineers.

We are committed to honesty, transparency, and accountability.

We work together as a team to achieve success.

We embrace new ideas and technologies to drive improvements.

We deliver high

quality results on time and on budget.

We value each individual’s contributions and treat everyone with dignity.

Environmental responsibility is integral to all practices.

Sustainable design principles are incorporated into every project.

Focus on reducing environmental impact and advancing green building practices.

Projects are developed to reduce carbon footprints and enhance energy efficiency.