Grunau Company

About Grunau Company

Grunau Company is a full-service mechanical systems contractor. Our professional staff designs, installs and services HVAC, plumbing, process piping, electrical, refrigeration, fire protection, and underground utilities for any size commercial and industrial project. Our Grunau Metals division designs and fabricates structural and specialty metals. Since 1920, Grunau’s name has been synonymous with a solid reputation, innovation, forward-thinking, creative solutions, customer focused, and built on values. Grunau is headquartered in Oak Creek, Wisconsin and has fire protection branches in Florida, Indiana, Ohio, and Pennsylvania.



May 2019 - December 2019 Oak Creek, WI
“I loved being able to see projects start to finish. I enjoyed watching a project go from an idea on paper to a functioning system. ”

Project Management intern

May 2019 Oak Creek, WI
“Wonderful group I worried with. ”
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