Donohue & Associates, Inc. Email Format

Engineering ServicesWisconsin, United States51-200 Employees

Donohue & Associates, Inc. is an employee-owned engineering firm based in Sheboygan, Wisconsin, in the Midwest, with a focus on water infrastructure. Founded in 1997, it partners with municipalities and utilities across the Midwest and nationwide to plan, design, construct, startup, and provide ongoing support for wastewater, drinking water, and stormwater systems. The firm combines deep technical expertise with a collaborative approach to support projects from planning through operations. It seeks to balance the resources of larger firms with the responsiveness of a smaller team across engagements.

In March 2026, Craig Brunner, PE, retired after 18 years with the firm, marking a leadership transition.

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