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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.


As of 2019, approximately 400 of Ahern's employees have been with the Company for 10 or more years.

From the engineers and project manager to the foreman and apprentices, everyone has been very impressive.
Rick Wiegand
Ambassador Hotel
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 - Northern WI & Madison 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.


As of 2019, over 80% of all Ahern employees hold professional certifications.

The new hospital work performed by Ahern...was of superior quality workmanship, timely, and most of all handled by a staff of really professional employees...I have the utmost respect for Ahern's employee knowledge and experience. They have proven that they have earned our trust!
Wayne Schroeder
Director of Maintenance Services
Beaver Dam Community Hospital