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Skip to Main Content Careers Request For Quote Contact Us Customer Log-in / Reports 800.365.1920 Search Site Close X Careers Request For Quote Contact Us Customer Log-in / Reports About Us Mission & Values History Reviews & Testimonials News Blog Lean Line GrunauGram Grunau Metals Cutting Edge Industries Served Services Mechanical Construction HVAC Plumbing Process Piping Pipe and Weld Shop Electrical Refrigeration Sheet Metal Fabrication Underground Utilities 24/7 Service Fire Protection Services Fire Protection Inspections & Testing Maintenance Fire Alarm & Detection Systems Alarm Monitoring Fire Protection 24-Hour Service Grunau Metals Metals Fabrication Shop AISC Certified Fabricator Value Added Safety Culture Lean Construction Integrated Project Delivery (IPD) Preconstruction Services Building Information Modeling (BIM) Sustainability Document Management Operation And Maintenance Manuals Consulting Document Archiving And Batch Scanning Drawing Conversion Electronic File Organization Training Locations Wisconsin: Milwaukee Headquarters Wisconsin: Milwaukee Fire Protection Wisconsin: Racine-Kenosha Florida: Orlando Fire Protection Indiana: Indianapolis Fire Protection Ohio: Youngstown Fire Protection Pennsylvania: Pittsburgh Fire Protection Project Gallery About Us Mission & Values History Reviews & Testimonials News Blog Lean Line GrunauGram Grunau Metals Cutting Edge Industries Served Services Mechanical Construction HVAC Plumbing Process Piping Pipe and Weld Shop Electrical Refrigeration Sheet Metal Fabrication Underground Utilities 24/7 Service Fire Protection Services Fire Protection Inspections & Testing Maintenance Fire Alarm & Detection Systems Alarm Monitoring Fire Protection 24-Hour Service Grunau Metals Metals Fabrication Shop AISC Certified Fabricator Value Added Safety Culture Lean Construction Integrated Project Delivery (IPD) Preconstruction Services Building Information Modeling (BIM) Sustainability Document Management Operation And Maintenance Manuals Consulting Document Archiving And Batch Scanning Drawing Conversion Electronic File Organization Training Locations Wisconsin: Milwaukee Headquarters Wisconsin: Milwaukee Fire Protection Wisconsin: Racine-Kenosha Florida: Orlando Fire Protection Indiana: Indianapolis Fire Protection Ohio: Youngstown Fire Protection Pennsylvania: Pittsburgh Fire Protection Project Gallery Specialty contracting built on values Learn More HVAC plumbing Process Piping Electrical 24/7 Service Underground Utilities Fire Protection Structural & Specialty Metals The Grunau Experience has been the benchmark of excellence since 1920. From concept to commissioning, we have the expertise and experience to collaborate on your next project. You will find Grunau’s professional approach combined with our innovative use of the newest technology and work philosophies create a unique business relationship: The Grunau Experience. We are focused on your success and provide the best overall value to you and your project. Grunau is a mechanical systems and fire protection union contractor headquartered in the greater Milwaukee area who specializes in any size commercial or industrial project in a variety of industries. Check out industry specifics in our Project Gallery , including Fire Protection projects from all of our locations. The majority of our mechanical work is completed throughout southern Wisconsin as far west as Madison and as far north as Green Bay. However, client relationships have taken us all over the United States. Mechanical Systems Engineering & Contracting Our mechanical systems capabilities include HVAC (heating, ventilation, and air conditioning), plumbing , process piping , electrical , refrigeration , fire protection , and underground site utilities . Our branded Grunau Metals focuses on structural & specialty metals fabrication and installation. We are your full service mechanical systems resource. Grunau also specializes in fire protection with offices in Milwaukee, WI ; Indianapolis, IN ; Youngstown, OH (Boardman) ; Pittsburgh, PA (Moon Township) ; and Orlando, FL . We work to understand your vision and bring your ideas to life. Whether it’s small and simple, or large and complicated, is right for your job. Customer focused. Built on values. Project Gallery Retail Healthcare Industrial and Warehouse Commercial and office Education Cultural and Entertainment Hotels and Multi-Family Government Back to Top Our Locations Wisconsin Florida Indiana Ohio Pennsylvania 1100 W Anderson Court, Oak Creek, WI 53154 Toll-Free: 800.365.1920 Phone: 414.216.6900 Contact APi Group Companies National Accounts Join Us Customer Satisfaction Survey Site Map ©2020 , Inc. All Rights Reserved. is a subsidiary of APi Group, Inc....