GRAEF is a full-service engineering, planning, and design firm. For more than 60 years, GRAEF has shaped more than the built environment. We've designed with purpose — for people, communities, and the planet. Rooted in integrity, quality, loyalty, and service, our work is guided by values that have stood the test of time. These principles shape how we show up for our clients, our communities, and each other. As a trusted partner, we remain curious and forward-thinking. We embrace innovation, anticipate what’s next, and deliver thoughtful, high-performing engineering, planning, and design solutions with every project. With offices in Milwaukee, Madison, Green Bay, Chicago, Minneapolis, Orlando, Miami, Sarasota, and Turks and Caicos, we work as one connected team, making a meaningful impact in every place we live, work, and play.
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The GRAEF annual revenue was $50.4 million in 2026.
Ken Grebe is the COO of GRAEF.
282 people are employed at GRAEF.
GRAEF is based in Milwaukee, Wisconsin.
The NAICS codes for GRAEF are [5413, 54133, 54, 541].
The SIC codes for GRAEF are [87, 871].