Ahern Revenue and Competitors

J. F. Ahern Co. (JFA) was founded in 1880 and today is one of the leading mechanical and fire protection contractors in the United States. We are a privately-held company headquartered in Fond du Lac, Wisconsin, with branch offices in Illinois, Missouri, Nebraska, and Iowa. Throughout the history of the company, there has been an emphasis on superior craftmanship and quality service. This and our ability to effectively anticipate a project’s demands, has made us a contractor of choice and a long-term, respected partner for customers in many markets. J. F. Ahern Co. performs process piping, water and wastewater treatment, plumbing, HVAC, fire protection, mechanical service, and refrigeration work on projects ranging in size from several thousand dollars to $20 million. Most of J. F. Ahern Co.’s work is for municipalities, institutions, a wide variety of industries, and commercial developers and builders. Our professional skills enable us to execute multi-phase projects in both private and public sectors, and we are equally comfortable in the role of prime contractor or subcontractor.