What departments does Ahern have?

Ahern has employees across 13 departments including Finance, Entrepreneurship, Education, Civil Engineering & Construction, Business Development.

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 750 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
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
R. F.
Executive Vice President Commercial Contracting
Mobile Phone
Email
Z. Z.
Executive 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 Info

Location

Last Update

G. H.
Project Manager
Mobile Phone
Email
Oct 25, 2025
J. G.
Assistant Design Manager
Mobile Phone
Email
Feb 18, 2026
B. D.
Project Manager
Mobile Phone
Email
Oct 21, 2024
B. R.
Marketing Manager
Mobile Phone
Email
Oct 22, 2024
C. A.
Construction Sales And Project Manager
Mobile Phone
Email
Oct 16, 2024
C. M.
Manager, Regional Construction
Mobile Phone
Email
Oct 21, 2024
D. K.
District Manager
Mobile Phone
Email
Oct 16, 2024
J. C.
Contracting Project Manager
Mobile Phone
Email
Oct 22, 2024
J. R.
Manager, Learning & Development
Mobile Phone
Email
Jul 12, 2022
J. A.
Project Manager
Mobile Phone
Email
Oct 21, 2024

Frequently Asked Questions

What is Ahern known for?

Ahern was founded in 1880 operates in the Construction industry; you can contact the 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 . 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 July 2026. These team members are located across 2 continents, including North AmericaAsia.

Who are Ahern's key employees and leadership?

As of July 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.
Executive Vice President: A. A.
Executive Vice President Industrial Contracting: J. J.

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Ahern Employee Directory

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