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Ahern was recently designated the 19th largest mechanical contractor in the United States as featured in CONTRACTOR Magazine’s 2019 “Book of Giants” listing. The magazine ranks the top 100 contractors by annual revenue for all mechanical projects.

Ahern will be exhibiting at the 2019 WASBO Spring Conference, coming up on May 16 through May 17 at the KI Convention Center in Green Bay, WI. Check us out at booth #91.

Jace Hierlmeier, Executive Vice President of Ahern Fire Protection, is pleased to announce that Adam Krcilek has been promoted to General Manager of the Omaha office. Adam, who graduated with a Bachelor's degree in Business Administration, has been with Ahern since 2013.

Notifier Premier Distributor

Thursday, April 11, 2019

Ahern is a NOTIFIER® Premier Distributor for the state of Wisconsin, Illinois, and Eastern Missouri. NOTIFIER® by Honeywell is the largest manufacturer of engineered fire alarm systems and currently has over 400 distributors worldwide.

Ahern is proud to announce that the company contributed at least one trade to 6 of the “Top Projects of 2018,” as chosen by industry publication The Daily Reporter.

Ahern recently welcomed Project Managers Marcus Elmer and Matthew Sommerfeld to its Menomonie, Wisconsin team. Elmer holds 10 years of industry experience with previous positions including Specified Product Manager at Mueller Industries, Inc. and Project Manager at Memphis Mechanical Services.

On March 6, 2019, Ahern was presented with the Mechanical Contractors Association of America (MCAA) and CNA Insurance Safety Excellence Award in Category 5 - More than 1 Million Work Hours.

Ahern will be exhibiting at the 2019 MBI Annual Winter conference, coming up on February 26 through February 27 at the Prairie Meadows Events & Conference Center in Altoona, IA. Check us out at booth #212.

In Memoriam, John E. Ahern

Tuesday, February 19, 2019


It is with great sadness that J. F. Ahern Co. announces the passing of John E. Ahern Jr.  John fulfilled many roles in life including son, husband, father, community servant and dedicated Ahern employee.  He excelled in each of those roles.

Ahern will once again exhibit at the POWER-GEN International conference, coming up on Dec. 4 through Dec. 6 in Orlando, FL. Check us out at booth #2235!