Insights

Expansion signals Ahern recently expanded its Mason City Iowa office and continues to grow, indicating increased project activity and demand in Midwest markets that could translate into new service, retrofit, and fire protection contracts.

Integrated solutions Portfolio covers HVAC, plumbing, building controls, sprinklers, extinguishers and alarm systems along with fabrication, suggesting cross-selling opportunities for multi-trade projects and long-term service agreements.

Healthcare and safety recognitions for complex healthcare projects and a proton therapy award highlight strength in critical facilities; target hospitals and medical campuses for ongoing mechanical, control integration, and life-safety retrofit work.

Technology adoption Usage of SAP SuccessFactors, AutoCAD, New Relic, Snowflake and Smart Monitor indicates modern project management, analytics and monitoring capabilities that can be leveraged to upsell digital maintenance, remote monitoring and performance-based services.

Financial heft Revenue in the half-billion to one-billion range with a sizable employee base positions Ahern as a capable partner for large-scale projects and long-term service contracts, including prefabrication and turnkey installations.

Similar companies to Ahern

Ahern Tech Stack

Ahern uses 8 technology products and services including Microsoft Advertising, SAP SuccessFactors, AutoCAD, and more. Explore Ahern's tech stack below.

Media & News

Ahern's Email Address Formats

Ahern uses at least 6 email formats:
Ahern Email FormatsExamplePercentage
FLast@jfahern.comJDoe@jfahern.com
96%
First_Last@jfahern.comJohn_Doe@jfahern.com
2%
First.Last@jfahern.comJohn.Doe@jfahern.com
1%
LFirst@jfahern.comDJohn@jfahern.com
1%
FLast@ahernfire.comJDoe@ahernfire.com
99%
FMiddleLast@ahernfire.comJMichaelDoe@ahernfire.com
1%

Frequently Asked Questions

What is Ahern's phone number?

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You can contact Ahern's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Ahern's official website and social media links?

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Ahern's official website is jfahern.com and has social profiles on LinkedIn.

How much revenue does Ahern generate?

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As of October 2026, Ahern's annual revenue is estimated to be $500M - $1B.

What is Ahern's NAICS code?

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Ahern's NAICS code is 23 - Construction.

How many employees does Ahern have currently?

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As of October 2026, Ahern has approximately 1.2K employees across 3 continents, including North America, Europe and Asia. Key team members include Chief Executive Officer: T. Q. Đ., Chief Financial Officer: A. W. and Ashrae Student Branch President Milwaukee School Of Engineering: T. M. Explore Ahern's employee directory with LeadIQ.

What industry does Ahern belong to?

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Ahern operates in the Construction industry.

What technology does Ahern use?

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Ahern's tech stack includes Microsoft Advertising, SAP SuccessFactors, AutoCAD, Snowflake, Office 365, Smartsheet, New Relic and VMware.

What is Ahern's email format?

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Ahern's email format typically follows the pattern of FLast@jfahern.com. Find more Ahern email formats with LeadIQ.

When was Ahern founded?

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Ahern was founded in 1880.
Ahern logo

Ahern

ConstructionWisconsin, United States1001-5000 Employees

Ahern is a long-established mechanical and fire protection contractor based in Fond du Lac, Wisconsin, founded in 1880. It serves commercial and industrial clients across the United States, delivering HVAC, plumbing, building controls, sprinkler, extinguisher and alarm systems, and fabrication for construction and service projects. The company partners on new construction or retrofit work, services existing facilities, and provides prefabricated systems to help reduce project risk.

It operates within the construction industry as a specialized contractor focused on systems that address life-safety, environmental, and personal comfort needs. A recent development includes expansion of its presence in Iowa with a new Mason City office announced in May 2026.

Section iconCompany Overview

Phone number
NAICS Code
23 - Construction
Founded
1880
Employees
1001-5000

Section iconFunding & Financials

  • $500M - $1B

    Ahern's revenue is estimated to be in the range of $500M - $1B

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