The foundation for GRAEF's success is built upon sound surveying principles, smart use of technology, delivery of quality products and the right personnel for the job. Furthermore, we are continually reinvesting in these technologies through employee training, education and research.

GRAEF uses the latest surveying technology to provide our clients with a cost effective and accurate survey. Aggressive technology investments keep us ahead of the market demand, providing us with the most modern tools to assist and acquire the most precise and accurate measurements that can be obtained.

Our Work

Kinnickinnic River – Pulaski Park

Kinnickinnic River – Pulaski Park

Marquette University O'Brien Hall

Marquette University O’Brien Hall

Lake Monona Waterfront Design

City of Madison Lake Monona Waterfront

New Berlin Cold Storage Buildings

New Berlin Recycling Center Cold Storage Buildings

Village of Germantown DPW

Village of Germantown Department of Public Works Facility

Signature Flight Support O’Hare Terminal

Signature Flight Support O’Hare Terminal

Manitowoc Crane

Manitowoc Crane High Bay Heavy Assembly Addition

Komatsu South Harbor Campus - Milwaukee

Komatsu South Harbor Campus

ParkArthur PavWeb 03

Park Arthur Pavilion

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Loop the Lake Boardwalk Bridges


Marquette University The Commons Residence Hall

MOWA Header

Museum of Wisconsin Art

Caterpillar Heritage Museum_header

Caterpillar Heritage Building

Mukwonago YMCA_Header

Mukwonago YMCA


City of De Pere VFW Aquatic Facility


Publix at Hollywood Beach


Resch Expo Center

UWGB Kress Header

University of Wisconsin-Green Bay Kress Center


University of Alabama Track & Field

Underwood Crossing_Target_Before Opening (1)

Underwood Crossing

UW Oshkosh Sage Header

University of Wisconsin-Oshkosh Sage Hall

The Moderne

The Moderne

St Johns on the Lake Header

St. John’s On The Lake

UW Oshkosh Alumni Header

University of Wisconsin-Oshkosh Alumni Welcome and Conference Center

We Energies Gas Lateral - Ixonia to Brookfield and Germantown

We Energies Gas Lateral – Ixonia to Brookfield and Germantown

Sauk Prarie Header

Sauk Prairie Hospital

West Allis Mem Hosp Header

West Allis Memorial Hospital–Aurora Women’s Pavilion Parking

ProHealth Regional Cancer Center

ProHealth Regional Cancer Center

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Oshkosh YMCA Addition and Renovation

Milwaukee Art Museum

Milwaukee Art Museum

Surveying Contacts

David Koslo

David Koslo, PLS

Practice Area Leader - Survey

Why Choose Us

“It’s all about relationships” - Len Anhalt

As a Full Service Engineering, Planning and Design Firm we COLLABORATE to give you a fully integrated design.

INNOVATE your Future with one of our experts with local knowledge and national experience.

Our multidisciplinary experts will FORMULATE your VISION into a successful Project.

What Clients Say

The Village of Hales Corners has had a long and successful collaboration with GRAEF. For over 25 years, GRAEF has provided excellent planning, surveying, design, and construction management services for a myriad of project.

Michael J. Martin, PE, RLS, Village of Hales Corners