Insights

Industry Recognition J. F. Ahern Co. has received multiple awards including the 2023 BUILD Wisconsin Award and recognition as a top environmental firm by ENR, highlighting its reputation for quality and environmental excellence, which can be leveraged to promote its advanced sustainability and safety credentials to prospective clients.

Market Leadership As a leading mechanical and fire protection contractor with a revenue range of 500 million to 1 billion dollars and a strong workforce of over 1,700 employees, Ahern demonstrates significant market presence, making it a valuable partner for large-scale construction, retrofit, and service projects with organizations seeking experienced and reputable subcontractors.

Innovation & Technology Utilizing advanced tools like Autodesk Revit and New Relic indicates Ahern’s commitment to technology-driven project efficiency and quality assurance, presenting opportunities for clients interested in innovative, BIM-enabled solutions and future-proof project management.

Environmental & Safety Focus Ranked among the top environmental firms and recognized for workplace excellence, Ahern emphasizes sustainability and employee safety, positioning it as a preferred partner for clients prioritizing environmentally responsible projects and compliance with safety standards.

Expansion & Branding Consistent recognition and awards, along with a longstanding history since 1880, suggest steady growth and a strong brand reputation that can be further promoted to attract major clients seeking experienced and award-winning construction partners for complex projects.

Ahern Tech Stack

Ahern uses 8 technology products and services including Microsoft Advertising, Unpkg, Open Graph, and more. Explore Ahern's tech stack below.

  • Microsoft Advertising
    Advertising
  • Unpkg
    Content Delivery Network
  • Open Graph
    Content Management System
  • Hudson
    Continuous Integration
  • Google
    Search Engines
  • Google Tag Manager
    Tag Management
  • ZURB Foundation
    UI Frameworks
  • X-Content-Type-Options
    Web & Portal Technology

Ahern's Email Address Formats

Ahern uses at least 2 format(s):
Ahern Email FormatsExamplePercentage
FLast@ahernfire.comJDoe@ahernfire.com
99%
FMiddleLast@ahernfire.comJMichaelDoe@ahernfire.com
1%
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%

Frequently Asked Questions

Where is Ahern's headquarters located?

Minus sign iconPlus sign icon
Ahern's main headquarters is located at 855 Morris Street Fond du Lac, Wisconsin 54935 United States. The company has employees across 4 continents, including North AmericaAsiaEurope.

What is Ahern's phone number?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
Ahern's official website is jfahern.com and has social profiles on LinkedIn.

How much revenue does Ahern generate?

Minus sign iconPlus sign icon
As of February 2026, Ahern's annual revenue is estimated to be $1.9M.

What is Ahern's NAICS code?

Minus sign iconPlus sign icon
Ahern's NAICS code is 23 - Construction.

How many employees does Ahern have currently?

Minus sign iconPlus sign icon
As of February 2026, Ahern has approximately 1.1K employees across 4 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: T. Q. Đ.Chief Operating Officer: J. H.Chief Safety Officer: D. R.. Explore Ahern's employee directory with LeadIQ.

What industry does Ahern belong to?

Minus sign iconPlus sign icon
Ahern operates in the Construction industry.

What technology does Ahern use?

Minus sign iconPlus sign icon
Ahern's tech stack includes Microsoft AdvertisingUnpkgOpen GraphHudsonGoogleGoogle Tag ManagerZURB FoundationX-Content-Type-Options.

What is Ahern's email format?

Minus sign iconPlus sign icon
Ahern's email format typically follows the pattern of FLast@ahernfire.com. Find more Ahern email formats with LeadIQ.

When was Ahern founded?

Minus sign iconPlus sign icon
Ahern was founded in 1880.

Ahern

ConstructionWisconsin, United States1001-5000 Employees

Ahern is a mechanical and fire protection contractor specializing in HVAC, Plumbing, Building Controls, Sprinkler, Extinguisher & Alarm and Fabrication for construction and service projects. Founded in 1880, the company has over 1,700 employees servicing commercial and industrial customers across the United States.  We partner on new construction or retrofit projects, service existing facilities, and provide prefabricated systems while reducing client risk on projects of all sizes.  

Ahern's Core Purpose:
To create and maintain systems that save lives, improve the environment, and ensure personal comfort and well-being. 

For additional Company information, please visit jfahern.com.
For information on starting a career with us, please visit aherncareers.com.
Want job alerts by email? Join Our Talent Community - https://career4.successfactors.com/careers?company=JFAhern

Section iconCompany Overview

Headquarters
855 Morris Street Fond du Lac, Wisconsin 54935 United States
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

Section iconFunding & Financials

  • $500M$1B

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

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.