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About Us


Whether a partner on new construction/retrofit projects, servicing existing facilities, or providing prefabricated piping; Ahern consistently reduces its clients’ risk for projects and service requests of all sizes. With over 1,400 employees specializing in pipe fabrication, mechanical, and fire protection contracting, we offer measurable expertise and experience.


Over 80% of all Ahern employees hold professional certifications.

I consider them more than simply a contractor, they are a valued part of our team.
Executive Team
Tripp Ahern
Chairman and Chief Executive Officer
Tony Ahern
President and Chief Operating Officer
Krista Ebbens
General Counsel/Corporate Secretary, Executive Vice President - Human Resources
Jace Hierlmeier
Executive Vice President - Ahern Fire Protection
Jim Jarvis
Executive Vice President – Majors & Madison Regions
Grant Nadler
Vice President - Northeast and Northwest Regions
Tim Schneider
Executive Vice President – Milwaukee Region
Adam Wunderlin
Chief Financial Officer
Ahern Milwaukee Employees

Core Ideology

Ahern operates under a single Core Purpose: We create and maintain systems that save lives, improve the environment, and ensure personal comfort and well-being.


While we’ve received numerous project and safety awards, our true success is measured by each and every client’s satisfaction and the well-being of our employees.

Ahern History


Beginning as a small steam heat and plumbing shop in 1880, Ahern has since become one of the largest, most respected specialty contractors in the nation.


In 2021, over 99% of client survey responders reported they would work with us again.

Ahern's team was great. They were very knowledgeable and easy to work with. This knowledge brings significant value to their projects.
Ken Krahe
Director of Operations & Estimating
MSI General