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Ahern Proudly Celebrating 140 Years of Building Comfort
Thursday, November 21, 2019

Beginning as a small steam heat and plumbing retail shop in 1880, J. F. Ahern Co. has since become one of the largest, most respected specialty contractors in the nation.  In November, the Company will be celebrating 140 years.

Ahern was founded in Fond du Lac, Wisconsin by David Ahern, an Irish immigrant whose focus on customer service and quality led his business to the top of the local industry. Throughout the decades to follow, Ahern continued a strong and steady growth trajectory in the mechanical systems marketplace.  In 1981, Ahern expanded beyond mechanical contracting by establishing a Fire Protection Division and the following year began fabricating pipe for external projects.

Today, Ahern’s multi-trade capability includes mechanical, fire protection, pipe fabrication, industrial service, and building controls.  Led by Chairman/Chief Executive Officer Tripp Ahern and President/Chief Operating Officer Tony Ahern, the fifth generation of Ahern leadership, the Company has over 1,400 employees with 14 offices across the Midwest.

“Our 140th anniversary is truly a celebration of the evolution of Ahern and of the employees, past and present, who have dedicated their careers to create and maintain systems that save lives, improve the environment, and ensure personal comfort and well-being,” said Tony Ahern.

In celebration of this major milestone, Ahern has purchased a storefront in the building where the company was founded located at 17 South Main Street in Fond du Lac.  A replica of the original 1880 space will be created to showcase Ahern’s heritage and the evolution of the brand.  The location will function as a museum and meeting space for Ahern to connect with employees, customers, and the local community with a grand opening target date of Spring 2020.  Additionally, the year-long anniversary celebration will feature employee events and community event sponsorships in the communities in which Ahern’s employees live and work.

J. F. Ahern Co. is a mechanical and fire protection contractor specializing in HVAC, Plumbing, Controls, Sprinkler, Extinguisher & Alarm and Fabrication for construction and service projects. The company has over 1,400 employees servicing commercial and industrial customers across the United States. To keep up with the latest company news and events, visit or follow us on Facebook or LinkedIn.