Our Story

As the firm doubles in size through acquisitions of engineering and environmental firms with similar values, Fehr Graham’s footprint expands into central Illinois, Iowa and Wisconsin. From 2010-2019, the Fehr Graham family grows to about 170 employees. The firm’s five principals – Mick Gronewold, Ken Thompson, Joel Zirkle, Adam Holder and Noah Carmichael – sign a new operating agreement to create more opportunities for ownership. The firm takes on its largest project – designing a significant stretch of the Jane Addams Memorial Tollway. The business name changes again, and Fehr Graham is 10 offices strong.

Learn more about Fehr Graham's history by hovering over the plus signs and clicking the forward and backward buttons below.

Timeline: 1973-1999 | 2000-2009 | 2010-2019 | 2020-2029