Ahern
Construction · Fond du Lac, Wisconsin
Products & Services
About Ahern
Ahern provides fire protection, mechanical, & pipe fabrication contracting that reduces your risk. Locations throughout Wisconsin & the greater Midwest. Contact us.
Its primary NAICS classification is 238990 (All Other Specialty Trade Contractors). Ahern is one of 3,216 Construction companies listed in Wisconsin.
Business Contact Information
- Phone
- (800) 532-4376
- Website
- www.jfahern.com
- Address
- 855 Morris St, Fond du Lac, Wisconsin, 54935, United States
Industry & Classification
- Industry
- Construction
- Sector
- Construction
- Segment
- Industrial construction
NAICS Codes
- 238990All Other Specialty Trade Contractors
- 238220Plumbing, Heating, and Air-Conditioning Contractors
- 23Construction
- 238Specialty Trade Contractors
- 2382Building Equipment Contractors
- 23822Plumbing, Heating, and Air-Conditioning Contractors
- 2389Other Specialty Trade Contractors
- 23899All Other Specialty Trade Contractors
- 236Construction of Buildings
- 2362Nonresidential Building Construction
- 23621Industrial Building Construction
- 236210Industrial Building Construction
SIC Codes
- 1799Remediation Services
- 1796Other Foundation, Structure, and Building Exterior Contractors
Company Details
- Employees
- 1,700
- Annual Revenue
- $500.0M
Ahern: frequently asked questions
What does Ahern do?
Ahern provides fire protection, mechanical, & pipe fabrication contracting that reduces your risk. Locations throughout Wisconsin & the greater Midwest. Contact us.
Where is Ahern located?
Ahern is located at 855 Morris St, Fond du Lac, Wisconsin, 54935, United States.
How many employees does Ahern have?
Ahern has about 1,700 employees.
What is Ahern's annual revenue?
Ahern's annual revenue is estimated at $500.0M.
What industry is Ahern in?
Ahern is in the Construction / Construction industry, and its primary NAICS code is 238990 (All Other Specialty Trade Contractors).
How can I contact Ahern?
Its website is www.jfahern.com and its phone number is (800) 532-4376.
What companies are similar to Ahern?
Other large construction companies in Wisconsin include Swfcontract, D?rr Group, Michels Corp and Miron Construction Co. Inc.
Largest construction companies in Wisconsin
Largest construction companies
Manufacturing sales in Wisconsin, 2026
In Wisconsin, Factur's 2026 study counted 30 manufacturing quotes worth $957K and 6 purchase orders over 12 months: 20% of quotes became orders, against 21% nationally. See the Wisconsin data.
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