What departments does Ahern have?

Ahern has employees across 11 departments including Operations, Finance, Education, Human Resources, Information Technology.

What is the largest department at Ahern?

The largest department at Ahern is Finance with 5 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

Q: Who are Ahern's key employees and leadership?

Ahern's key employees include: Executive Assistant To Cfo: M. G., Chief Executive Officer: T. Q. Đ., Chief Operating Officer: J. H., Chief Safety Officer: D. R., Chief Financial Officer: A. W..

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
982

United States Of America
981
Mexico
1

Asia
1

Viet Nam
1

Ahern's Leadership

T. Q. Đ.
Chief Executive Officer
Mobile Phone
Email
J. H.
Chief Operating Officer
Mobile Phone
Email
D. R.
Chief Safety Officer
Mobile Phone
Email
A. W.
Chief Financial Officer
Mobile Phone
Email
T. A.
President & Coo
Mobile Phone
Email
R. H. R. M.
President
Mobile Phone
Email
R. R. M.
President
Mobile Phone
Email
M. G.
Executive Assistant To Cfo
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

J. H.
Chief Operating Officer
Mobile Phone
Email
United StatesWisconsin
Jun 12, 2026
D. R.
Chief Safety Officer
Mobile Phone
Email
United StatesWisconsin
Apr 16, 2026
T. A.
President & Coo
Mobile Phone
Email
United StatesWisconsin
Jun 19, 2026
M. G.
Executive Assistant To Cfo
Mobile Phone
Email
United StatesWisconsin
Mar 25, 2026
R. H. R. M.
President
Mobile Phone
Email
United StatesTennessee
Jun 02, 2026
R. R. M.
President
Mobile Phone
Email
United StatesTennessee
May 28, 2026
A. W.
Chief Financial Officer
Mobile Phone
Email
Jun 23, 2026
B. C.
Owner
Mobile Phone
Email
United StatesWisconsin
Jul 31, 2025
J. A.
Chrm.
Mobile Phone
Email
United StatesWisconsin
Oct 21, 2024
M. G.
Executive Assistant To Chief Financial Officer
Mobile Phone
Email
United StatesWisconsin
Apr 24, 2025

Frequently Asked Questions

What is Ahern known for?

Ahern was founded in 1880 operates in the Construction industry. The company's main headquarters is located in 855 Morris Street Fond du Lac, Wisconsin 54935 United States; 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 June 2026. These team members are located across 2 continents, including North AmericaAsia.

Who are Ahern's key employees and leadership?

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

Chief Executive Officer: T. Q. Đ.
Chief Operating Officer: J. H.
Chief Safety Officer: D. R.
Chief Financial Officer: A. W.
President & Coo: T. A.

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Ahern Employee Directory

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