Donohue & Associates, Inc.

Founded in 1997 by a small team in Sheboygan, the company has grown into an employee‑owned engineering consultancy.

Their project roster spans municipal and industrial clients, delivering planning, design, construction‑phase services, startup assistance, SCADA/control systems, and grant support.

Specializing in infrastructure sectors — drinking water, wastewater, stormwater and civil/transportation — they tackle everything from treatment plants to pump stations and street systems.

Projects feature engineering excellence awards, such as ACEC awards and ENVISION Gold ratings, for innovative work like the Holland anaerobic digester and Evansville pump station.

Make the world a better place by improving infrastructure and developing solutions that enhance environmental sustainability.

Client

focused, one

team culture.

Employee ownership with monthly profit

sharing based on company performance.

Flexible structure enabling rapid professional growth and autonomy for engineers.

Streamlined organizational structure simplifying communications and project delivery.

Technical excellence, quality, and service across drinking water, wastewater, stormwater, and civil engineering.