Pioneers

Willard Richardson - Connecting Company and Community

The time was the mid-1930s, and young electrical engineering graduate Willard Richardson found himself in a familiar predicament.

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Willard Richardson - Connecting Company and Community
Chapters in our History

Surviving the Great Depression

With the crash of the stock market in 1929, the country was thrown into the Great Depression, and funds for development of new public works projects were simply not available.

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Surviving the Great Depression
Pieces of the Past

We Write Our Future With Lessons From the Past

Before we had computers or smartphones, before acronyms like BIM or CADD had meaning, we had our own two hands and a sharpened No. 2.

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We Write Our Future With Lessons From the Past

Our History at a Glance

1910
1920
1930
1940
1950
1960
1970
1980
1990
2000
2010
2020
Henningson Engineering Company is born

Henningson Engineering Company is born

Henningson brings power to the plains

Henningson brings power to the plains

July 21, 1917

The firm quickly earns a reputation for Work Well Done

The firm quickly earns a reputation for Work Well Done

August 5, 1917

Henningson Engineering continues to grow

Henningson Engineering continues to grow

Municipal engineering increases

Municipal engineering increases

1920 - 1929

Rural electrification distinguishes the firm

Rural electrification distinguishes the firm

Henningson Engineering Branches Out

Henningson Engineering Branches Out

A new era of leadership

A new era of leadership

HDR poised for growth

HDR poised for growth

HDR Attains Worldwide Reach

HDR Attains Worldwide Reach

HDR Builds on International Profile

HDR Builds on International Profile

HDR Thrives as Employee-Owned Firm

HDR Thrives as Employee-Owned Firm

One Company, Many Solutions

One Company, Many Solutions

Growing Number of Worldwide Projects Leads to Expansion

Growing Number of Worldwide Projects Leads to Expansion

HDR celebrates its 100th Year Anniversary

HDR celebrates its 100th Year Anniversary

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