Engineering News-Record Ranks Ahern Top 600 Specialty Contractor

Fond du Lac, WI, October 27, 2025 - Engineering News-Record (ENR) has listed Ahern as a 'Top 600 Specialty Contractor' of 2025. Ahern was ranked 78^th this year. The annual ranking is determined by sales revenue.

The list also captures the top contractors in various sub-categories. Ahern was ranked 3rd in the 'Top 20 Firms in Fire Protection and Sprinklers.' The firm also ranked 8^th in 'Top 20 Firms in Sheetmetal,' and 44^th in the 'Top 50 Firms in Mechanical.'

"It's an honor to be recognized by ENR as one of the country's largest specialty contractors," shared Tripp Ahern, Chairman and CEO of Ahern. "The ranking by ENR is a credit to all our team members and their ability to deliver value to our customers in the construction and maintenance of their facilities. We look forward to a future of ongoing investment, innovation, and continued growth."

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. Founded in 1880, the company has over 1,850 employees servicing commercial and industrial customers across the United States. To keep up with the latest company news and events, visit jfahern.comor follow us on Facebookor LinkedIn.