- Employees
- 200-500
- Founded
- 1920
- Headquarters
- Oak Creek, WI, United States
Company data last updated Jul 29, 2025.
About Grunau
Founded in 1920, Grunau Company was established and serves the Milwaukee, Wisconsin, USA area market as a mechanical engineering systems contractor for fire protection and mechanical systems
Email Format
Leadership & Decision Makers
Contact details of 1 Grunau decision makers
Jeff Hintze
Team & Specialists
Contact details of 1 Grunau team members
Mark Peters
General Emails
General company emails, e.g. customer support lines
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Records are compiled from publicly available sources and checked as described in our methodology. Company data last updated Jul 29, 2025.
Frequently Asked Questions about Grunau
What does Grunau do?
Founded in 1920, Grunau Company was established and serves the Milwaukee, Wisconsin, USA area market as a mechanical engineering systems contractor for fire protection and mechanical systems
Where is Grunau headquartered?
Grunau is headquartered in Oak Creek, WI, United States.
When was Grunau founded?
Grunau was founded in 1920.
How many employees does Grunau have?
Grunau has approximately 200-500 employees.
What industry is Grunau in?
Grunau operates in the Construction Companies industry.
What is Grunau's annual revenue?
Grunau has an annual revenue of $105 million.
What is the email format for Grunau?
The most common email format at Grunau is {first_name}.{last_name}@grunau.com. For example: firstname.lastname@grunau.com.
How do I contact Grunau?
You can contact Grunau via email at info@grunau.com, headquartered in Oak Creek, WI, United States.