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Fond du Lac, WI

While Ahern’s Fond du Lac campus is home to its corporate headquarters, prefabrication shops, and company-wide support operations, our primary focus is meeting clients’ construction and service needs. We deliver a complete line of mechanical, fire protection, and pipe fabrication contracting throughout the surrounding area, and offer extensive experience to general contractors, building owners, facility managers, and construction partners.

Fire Protection Services

Ahern provides complete fire protection offerings to the Fond du Lac area. From basic design to installation, servicing, and repair, our experts will ensure your systems are fully operational and your facility is protected. Ahern’s Fond du Lac team provides a vast range of fire protection solutions including fire sprinkler and special hazard systems, fire equipment, life safety and fire alarm services.  

Mechanical Services

Ahern provides a variety of mechanical services to the Fond du Lac area. Whether it pertains to an existing building or a new construction, we have the resources and experience to complete your project.  As an established contractor in Fond du Lac, Ahern specializes in HVAC, plumbing, building controls, building commissioning & energy solutions. You can count on our team to efficiently and effectively design, install, maintain & repair your facilities systems.  

Pipe Fabrication Services

Ahern has yet to find a job too difficult for our pipe fabrication team to complete. Serving industries like power generation, oil and gas, pulp and paper, automotive, chemical, and many more, we can fabricate pipes ranging from 1/2-inch to 144-inch diameters, and wall thicknesses up to four inches. Our team has the know-how and a state-of-the-art facility for accurate, efficient and effective solutions.

Location Features:

  • 13.62 Acres
  • Office Space - 108,520 sq ft
  • Fire Protection Shop - 32,000 sq ft
  • Pipe Fabrication Shop - 60,000 sq ft
  • Plumbing Shop - 4,920 sq ft
  • Sheet Metal Shop - 28,000 sq ft
  • Tools & Equipment Shop - 13,100 sq ft

Our corporate facility is commonly toured and showcased for its sustainable construction components that led to our LEED Gold certification. We invite you to learn more about our environmental focus and how we can improve the efficiency of your facility.

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Contact Info

855 Morris Street
Fond du Lac, WI 54935
United States