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Catch up on the latest company news and developments from Ahern; including promotions, awards won, and events.
Ahern Ranked No. 159 on ENR’s Top 200 Environmental Firms List
J. F. Ahern Co. has been ranked No. 159 on Engineering News-Record’s 2026 Top 200 Environmental Firms list, advancing 17 positions from its No. 176 ranking the previous year.
Ahern Ranks No. 46 on Deloitte’s 2026 Wisconsin 75
J. F. Ahern Co. has been named to Deloitte’s 2026 Wisconsin 75, earning the No. 46 spot among the state’s largest privately held companies. Ahern’s inclusion reflects the company’s continued growth and long-standing presence in Wisconsin.
Two Ahern Employees Named 2026 Women in Construction Honorees
Ahern is celebrating Kara Pipping and Sierra Trojan who have been named to The Daily Reporter’s 2026 Women in Construction list.
Ahern Fire Protection Expands In Iowa With New Mason City Office
New location strengthens local service and support for fire protection and life safety needs across northern Iowa.
Ahern Projects Recognized in The Daily Reporter’s 2025 Top Projects Awards
The Daily Reporter’s annual “Top Projects” competition honors outstanding construction projects across Wisconsin. The winning projects overcame notable challenges, fostered strong collaboration, incorporated innovative construction solutions, and made a positive impact on communities...
Ahern Honored with 2025 MCAA/CNA Safety Excellence Award
Ahern has earned the 2025 Mechanical Contractors Association of America/CNA Insurance Safety Excellence Award, one of the highest recognitions in the mechanical contracting industry for safety performance and innovation.
Ahern Wins Two BUILD Wisconsin Awards
Ahern is proud to once again be recognized by the Associated General Contractors (AGC) of Wisconsin with two BUILD Wisconsin Awards.
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 78th this year. The annual ranking is determined by sales revenue.
Ahern Unveils New Controls Integration Smart Monitor™
Ahern is pleased to announce their latest building automation systems’ integration, Smart Monitor™. Smart Monitor™ is a proactive analytics program that predicts potential issues and delivers solutions before problems escalate
Ahern Contributes to Ten of the Top Projects of 2024
The Daily Reporter’s annual “Top Projects” competition honors outstanding construction projects across Wisconsin. The winning projects overcame notable challenges, drove effective teamwork, utilized innovative building techniques, and positively impacted local communities around the...
Ahern Provides Expanded Offerings for Sprinkler Inspections and More in a New Market
Ahern has expanded into the new market of Peoria, IL. With 145 years of experience, Ahern has the knowledge and background to deliver exceptional fire protection services. Ahern’s cadre of capabilities includes the design, installation, inspection and repair of fire protection...
Ahern Receives 2024 BUILD Wisconsin Award for Exceptional Specialty Contracting Work
The Associated General Contractors of Wisconsin (AGC), the most widely respected construction association in the country, has awarded Ahern with a 2024 BUILD Wisconsin award. The esteemed award recognizes Ahern’s specialty contracting work for the HUB, a premiere enterprise center for...
ENR Ranks Ahern In Their Annual Top 600 Specialty Contractor List
Engineering News-Record (ENR) has listed Ahern as a ‘Top 600 Specialty Contractor’ of 2024. Ahern was ranked 77th this year, moving up after ranking 86th in 2023. The annual ranking is determined by a company’s construction revenue from a subcontracting capacity.
Ahern Ranks on Engineering News-Record's Top 200 Environmental Firms
Engineering News-Record (ENR) has listed Ahern as a ‘Top 200 Environmental Firm’ of 2024. Ahern was ranked 156 on the list. The annual ranking is determined by a company’s gross revenue from environmental services and products to domestic and international markets.
Ahern Contributes to Fourteen of the Top Projects of 2023
The Daily Reporter’s annual “Top Projects” competition honors outstanding construction projects across Wisconsin. The winning projects overcame notable challenges, drove effective teamwork, utilized innovative building techniques, and positively impacted local communities around the...
Ahern Announces New Shareholder and Board Member Grant Nadler
Executive Vice President of Ahern’s Northern Wisconsin business Grant Nadler will become a shareholder and member of the Board of Directors at J. F. Ahern Co. effective Jan. 1, 2024.
Engineering News-Record Ranks Ahern Top 600 Specialty Contractor
Engineering News-Record (ENR) has listed Ahern as a ‘Top 600 Specialty Contractor’ of 2023. Ahern was ranked 86th this year, moving up after ranking 88th in 2022.
Ahern Ranked On Deloitte's Wisconsin 75 Listing For 21st Consecutive Year
For the 21st consecutive year, Ahern was featured on Deloitte’s Wisconsin 75, a ranking that salutes the 75 largest private companies in Wisconsin based on sales revenue. This year, Ahern was ranked 54 on the list.
Ahern Receives 2023 BUILD Wisconsin Award For Exceptional Specialty Contracting Work
The Associated General Contractors of Wisconsin (AGC), the most widely respected construction association in the country, has awarded Ahern with a 2023 BUILD Wisconsin award.
Engineering News-Record Ranks Ahern Top 200 Environmental Firm
Engineering News-Record (ENR) has listed Ahern as a ‘Top 200 Environmental Firm’ of 2023. Ahern was ranked 154 on the list, up from placing 160 in 2022. The annual ranking is determined by a company’s gross revenue from environmental services and products to domestic and international...