What departments does Ahern have?

Ahern has employees across 10 departments including Finance, Education, Civil Engineering & Construction, Business Development, Sales.

What is the largest department at Ahern?

The largest department at Ahern is Program & Project Management with 12 employees.

Where are Ahern employees located globally?

Ahern has employees across 2 continents and 3 countries including Viet Nam, United States Of America, Mexico.

How has Ahern's team size changed over time?

Ahern's team has decreased from approximately 1.2K to 790 employees based on available data.

Ahern Employee Directory

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.

Ahern Global Highlights

North America
1K

United States Of America
1K
Mexico
1

Asia
1

Viet Nam
1

Ahern's Leadership

T. Q. Đ.
Chief Executive Officer
Mobile Phone
Email
A. W.
Chief Financial Officer
Mobile Phone
Email
T. M.
Ashrae Student Branch President Milwaukee School Of Engineering
Mobile Phone
Email
F. A.
Owner
Mobile Phone
Email
F. A.
Owner
Mobile Phone
Email
A. A.
Executive Vice President
Mobile Phone
Email
J. J.
Executive Vice President Industrial Contracting
Mobile Phone
Email
J. M.
Vice President
Mobile Phone
Email

Ahern Employee Metrics

100%

50%

0%

2026

2025

Program & Project Management
Arts & Design
Sales
Engineering
Civil Engineering & Construction
Other
Administrative

Contact profiles from Ahern

Name

Title

Contact

Location

Last Update

B. F.
Director Of Alumni Activi
Mobile Phone
Email
Oct 18, 2024
B. K.
Director Of Alumni Activi
Mobile Phone
Email
Oct 21, 2024
P. S.
Director Of Alumni Activi
Mobile Phone
Email
Oct 17, 2024
T. G.
Construction Manager
Mobile Phone
Email
May 29, 2026
D. S.
Business Development Manager
Mobile Phone
Email
Aug 26, 2026
L. W.
Mechanical Service Sales Manager
Mobile Phone
Email
Jun 28, 2026
S. K.
Regional Service Manager
Mobile Phone
Email
Apr 15, 2026
S. H.
Senior Preconstruction Project Manager
Mobile Phone
Email
Mar 31, 2026
J. M.
General Manager
Mobile Phone
Email
Sep 07, 2026
S. A.
Assistant Project Manager
Mobile Phone
Email
Jun 28, 2026

Frequently Asked Questions

What is Ahern known for?

Ahern was founded in 1880 and operates in the Construction industry. You can contact Ahern's main corporate office by phone at

+1-920-921-****

. Explore Ahern's company overview page for more information.

What is Ahern's most common email format?

Ahern employees' email format typically follows the pattern of FLast@ahernfire.com. Trying to find reliable and up-to-date employee contact data? Find more Ahern email formats with LeadIQ.

How many employees does Ahern have currently?

Ahern has approximately 1.1K employees as of August 2026. These team members are located across 2 continents, including North America and Asia.

Who are Ahern's key employees and leadership?

As of August 2026, Ahern's key employees include:

Chief Executive Officer: T. Q. Đ.
Chief Financial Officer: A. W.
Ashrae Student Branch President Milwaukee School Of Engineering: T. M.
Owner: F. A.
Owner: F. A.

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Ahern Employee Directory

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