You are here

Contact Us

Want to get in touch?Get Started

Ahern’s focus is meeting clients’ construction and service needs. Whether a partner on new construction/retrofit projects, servicing existing facilities, or providing prefabricated piping; Ahern consistently reduces its clients’ risk for projects and service requests of all sizes. With over 1,400 employees, we will be sure to answer any questions, or requests you may have. 

Main Headquarters

855 Morris Street
Fond Du Lac, WI 54935

800.532.4376

WANT TO GET IN TOUCH?
CONTACT US!

14 LocationsThroughout the Midwest

Ahern has 14 office locations throughout the Midwest. We offer fire protection expertise in all geographies, as well as new installations throughout the U.S.; mechanical installations and service within Wisconsin; and pipe fabrication work in the U.S. and beyond. With over 1,400 employees, 80% of whom hold professional certifications, you can be confident in choosing Ahern for your next project or service request.

Appleton, WI

Appleton, Wisconsin

Ahern’s focus is meeting clients’ construction and service needs. Our Appleton office offers complete mechanical and fire protection services to the greater Appleton area, along with prefabrication expertise from our corporate office.

Chicago, IL

Chicago, Illinois

Ahern provides life safety and property saving protection to the greater Chicago area. Our experts hold in-depth knowledge of city and state codes, as well as insurance requirements to ensure your facility is properly protected. 

Davenport, IA

Davenport, Iowa

Our Davenport office location offers complete fire protection design, installation, service, and inspection to those in the Quad Cities area. Our team of experts will ensure that your fire protection system is installed correctly the first time and is kept up-to-date.

Des Moines, IA

Des Moines, Iowa

Centrally located downtown and only five minutes from beautiful Gray’s Lake, our local office is one of the top two Fire Protection providers in the city. Newly renovated, we’re home to a growing team.

Eau Claire, WI

Eau Claire, Wisconsin

Throughout Eau Claire and the greater northwestern Wisconsin region, Ahern offers a full line of mechanical and fire protection offerings, along with prefabrication expertise from our corporate office. Our team’s experience leads to improved project and service schedules.

Fond du Lac, WI

Fond du Lac, Wisconsin

Our corporate headquarters, including operations and prefabrication shops – is a showcase for energy efficiency and sustainable construction and carries LEED Gold certification.

Holmen, Wisconsin

Ahern’s focus is meeting clients’ construction and service needs. Our Holmen office offers complete mechanical and fire protection services, along with prefabrication expertise from our corporate office.

Madison, WI

Madison, Wisconsin

Ahern’s Madison team provides a full line of mechanical and fire protection services, along with prefabrication expertise. Our team of industry professionals will ensure that your project is done safely and on-time.

Marinette, WI

Marinette, Wisconsin

While our Marinette facility itself supports fire equipment & life safety services, Ahern extends its full line of mechanical, fire protection, and prefabrication services to this region from surrounding Wisconsin offices. In partnering with building owners, facility managers, and general...

Milwaukee, WI

Milwaukee, Wisconsin

Adjacent to Miller Park, this is another LEED Gold facility. Open, bright, super energy efficient, it’s a hub for mechanical and fire protection services.

Omaha, NE

Omaha, Nebraska

Protecting your facility from fire is Ahern’s business. Our Omaha office offers complete fire protection services to ensure your fire protection systems keep you protected.

Peoria, IL

Peoria, Illinois

Located just a few blocks from the Illinois River, our Peoria office offers complete fire protection design, installation, service, and inspection to those in the Peoria, Bloomington, and Champaign area. Our team of experts will ensure that your fire protection system is installed correctly the first time and is kept up-to-date.

St. Louis, MO

St. Louis, Missouri

Does your facility need a fire protection system? Ahern provides complete fire protection services to the St. Louis area. Our fire protection professionals follow the necessary code requirements to keep your facility protected.

downtown chicago

Twin Cities, Minnesota

Protecting your facility from fire is Ahern’s business. Our team of experts holds in-depth knowledge of city and state codes, as well as insurance requirements. This ensures your fire sprinkler system installation, inspection, or service is completed correctly the first time. Ahern provides complete fire protection services to the Minneapolis area and has a proven track record of success.