Building a green planet, one day at a time


For over 25 years, Wondra has worked extensively with the Federal and State Governments, owners, subcontractors, suppliers, and designers.

What We Do

Since 1988, Wondra has been serving the North American continent with expert grading, excavation and underground utility construction work.

Our Services

With a wide variety of equipment, we are able to handle everything from private subdivisions and DOT Highway Projects to Wind Farm site work.

Our Projects

Our scope of work includes mass site grading, detention basins, underground utilities, building site work, wind farm grading and turbine foundations.


“Wondra Construction performed very well in all categories at Butler Ridge. They maintained the highest standards during construction of the wind project.”

Michael Nevenzel

Butler Ridge Wind Farm - Mayville, WI

“Wondra's capabilities & work ethic provided helpful in completing the project in a timely fashion. It faced challenges including a compressed schedule, extraordinary weather and landowner issues which required a variety of solution approaches. Throughout the project, Wondra continued to perform in a solidly professional manner.”

Allen Jensen

RES Americas - Broomfield, CO


A reputation for excellence in the construction industry.

Wondra has provided a foundation of integrity and workmanship to become a leader in the construction industry. Our commitment to clients is transforming our firm from a small construction contractor to a multinational company that performs complex work across the North American continent.

Quality Standards

Wondra serves a variety of clients, focusing on supporting their operations through design and construction, emphasizing practices which lead to satisfaction in each project's delivery.

We strongly believe in planning, scheduling, and regular reviews to complete projects ahead of schedule. We provide these benefits to Federal and State Governments, owners, subcontractors, suppliers, and designers.

Contact Us

Wondra Construction, Inc.
W2874 Graylog Road
Iron Ridge, WI 53035

Phone: (920) 387-5840
Fax: (920) 387-4734

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