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Industries Served

Diverse ExpertiseFor Your Facility

Ahern has the resources to tackle projects of all sizes, from $100 to over $50 million, in a variety of industries including: healthcare, cold storage, power generation, and warehousing. Many clients have relied on our expertise for more than 10 years. By utilizing our resources and in-house capabilities, Ahern’s team of experts will work with you to create a system that is customized for your unique facility.


In the past 14 years, Ahern has completed more than 1,300 water and wastewater projects, ranging from $1,000 to more than $36 million.

Ahern's crew was very professional, especially when working in the offices. They were very courteous and worked safely.
Sara Lee Foods


Within the agricultural industry, productivity greatly depends in part on the efficiency and reliability of its systems.

Ahern - Biotechnology


Attention to detail and high standards are extremely important within the biotechnology industry.

Ahern - Breweries and Distilleries

Breweries & Distilleries

The abundance of breweries and distilleries has rapidly grown over the last few years, and it doesn’t appear to be letting up anytime soon.

Ahern - Cold Storage

Cold Storage

The systems servicing your cold storage facility are not the same as traditional facilities.

Ahern - Correctional Facilities

Correctional Facilities

Whether constructing new or servicing existing systems, you’ll want to ensure your facility continues to serve your community for generations.

Data Center

Data Centers

We fully appreciate the repercussions of data center downtime, so we understand why organizations spend so much money preventing such an occurrence.

Food/Beverage JF Ahern Project


Since the Food and Beverage industry is so vastly regulated, these environments require specialized service.



Government institutions such as fire stations, libraries, military grounds, judicial facilities, postal centers and more, are a vital part of our communities.



Ahern has performed design, installation, and service work in 85% of Wisconsin’s hospitals, among several others throughout the Midwest.

High Rise Buildings

High Rise Buildings

Installing and servicing systems to support multiple work or living spaces requires a strong understanding of system designs and code requirements.



Laboratories are often complex and challenging due to the highly specialized systems they contain.



In the lodging industry, maintaining your systems is important to ensure guest satisfaction.



Keeping your Museum’s systems in top condition is important to ensure the safety of not only your guests and staff but also the irreplaceable items inside.



Industrial pipelines often need to meet a variety of conditions depending on location, size, and temperature/pressure conditions, to name a few.

Power Generation

Power Generation

The worldwide demand for energy continues to grow, so a loss of productivity is an industry nightmare.

Pulp and Paper

Pulp & Paper

Even the smallest issue with your facility’s systems can halt production and lead to significant loss of revenue. 

Refineries Preventative Maintenance


Your refinery will benefit from Ahern’s record for delivering on-time and quality prefabricated piping.

Religious Facility

Religious Facilities

Ahern’s building service teams keep your staff and members focused on worship, not on your facility’s fire protection or mechanical systems.

Commercial Residential


In the residential industry, nothing is more important than the safeguarding of life and property.



Restaurant facilities contain complex systems and require extensive knowledge to ensure the kitchen is operational and meets all necessary safety and health codes.



Keeping your customers and staff safe, as well as protecting your inventory is critical.



Aircraft hangars, transportation support buildings, terminals, and more present unique challenges.



Whether working in a municipal or industrial plant, Ahern’s expertise helps reduce the risk of water/wastewater projects of all sizes. 


In 2020, Ahern performed work on over 320 schools in 106 Wisconsin school districts.

The new hospital work performed by Ahern...was of superior quality workmanship, timely, and most of all handled by a staff of really professional employees...I have the utmost respect for Ahern's employee knowledge and experience. They have proven that they have earned our trust!
Wayne Schroeder
Director of Maintenance Services
Beaver Dam Community Hospital