Network Connex
Construction · Downers Grove, Illinois
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Products & Services
About Network Connex
Fairhaven Integration Services provides engineering, installation, commissioning, and testing services across multiple platforms in support of central office, headend, and data center infrastructure.
Its primary NAICS classification is 237130 (Power and Communication Line and Related Structures Construction). Network Connex is one of 6,047 Construction companies listed in Illinois.
Business Contact Information
- Phone
- +1 (888) 6381198
- Website
- www.networkconnex.com
- facebook.com/100063642099893
- Address
- 5101 Thatcher Rd, Downers Grove, Illinois, 60515, United States
Industry & Classification
- Industry
- Construction
- Sector
- Construction
- Segment
- Industrial construction
NAICS Codes
- 23Construction
- 2371Utility System Construction
- 237130Power and Communication Line and Related Structures Construction
SIC Codes
- 16Heavy Construction Other Than Building Construction Contractors
- 162Heavy Construction, Except Highway And Street
- 1623Water and Sewer Line and Related Structures Construction
Company Details
- Employees
- 1,100 (1,001-2,000)
- Annual Revenue
- $406.5M ($250M-$500M)
Network Connex: frequently asked questions
What does Network Connex do?
Fairhaven Integration Services provides engineering, installation, commissioning, and testing services across multiple platforms in support of central office, headend, and data center infrastructure.
Where is Network Connex located?
Network Connex is headquartered at 5101 Thatcher Rd, Downers Grove, Illinois, 60515, United States.
How many employees does Network Connex have?
Network Connex has about 1,100 employees (the 1,001-2,000 range).
What is Network Connex's annual revenue?
Network Connex's annual revenue is estimated at $406.5M (the $250M-$500M range).
What industry is Network Connex in?
Network Connex is in the Construction / Construction industry, and its primary NAICS code is 237130 (Power and Communication Line and Related Structures Construction).
How can I contact Network Connex?
Its website is www.networkconnex.com and its phone number is +1 (888) 6381198.
What companies are similar to Network Connex?
Other large construction companies in Illinois include Clayco Inc, Tecta America Corp, Enppi and Power Construction.
Largest construction companies in Illinois
Largest companies in Illinois
Largest construction companies
Manufacturing sales in Illinois, 2026
In Illinois, Factur's 2026 study counted 74 manufacturing quotes worth $11.8M and 14 purchase orders over 12 months: 19% of quotes became orders, against 21% nationally. See the Illinois data.
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