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Entact LLC

Construction · Westmont, Illinois

Westmont, Illinois, United States607 employees$381.9M revenue
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Products & Services

ConstructionIndustrial constructionenvironmental remediationenvironmentalremediationground improvementgroundimprovementground stabilizationstabilizationgeotechnical constructiongeotechnicalenvironmental dredging sediment removaldredgingsedimentremovalenvironmental dredgingdredging sedimentsediment removalenvironmental dredging sedimentdredging sediment removalradiological servicesradiologicalservicessoil mixing treatmentsoilmixingtreatmentsoil mixingmixing treatmentearth retentionearthretentionexcavation structural supportexcavationstructuralsupportexcavation structuralstructural supportcoal ash impoundme

About Entact LLC

ENTACT develops and executes a broad range of environmental remediation and geotechnical construction projects with dependable quality and within schedules.

Its primary NAICS classification is 237990 (Other Heavy and Civil Engineering Construction). Entact LLC is one of 6,047 Construction companies listed in Illinois.

Business Contact Information

Phone
+1 (972) 5801323
Address
999 Oakmont Plaza Dr, Westmont, Illinois, 60559, United States

Industry & Classification

Industry
Construction
Sector
Construction
Segment
Industrial construction
IndustryConstructionConstructionIndustrial construction

NAICS Codes

  • 23Construction
  • 2379Other Heavy and Civil Engineering Construction
  • 237990Other Heavy and Civil Engineering Construction

SIC Codes

  • 16Heavy Construction Other Than Building Construction Contractors
  • 162Heavy Construction, Except Highway And Street
  • 1622Other Heavy and Civil Engineering Construction

Company Details

Employees
607 (501-1,000)
Annual Revenue
$381.9M ($250M-$500M)

Entact LLC: frequently asked questions

What does Entact LLC do?

ENTACT develops and executes a broad range of environmental remediation and geotechnical construction projects with dependable quality and within schedules.

Where is Entact LLC located?

Entact LLC is headquartered at 999 Oakmont Plaza Dr, Westmont, Illinois, 60559, United States.

How many employees does Entact LLC have?

Entact LLC has about 607 employees (the 501-1,000 range).

What is Entact LLC's annual revenue?

Entact LLC's annual revenue is estimated at $381.9M (the $250M-$500M range).

What industry is Entact LLC in?

Entact LLC is in the Construction / Construction industry, and its primary NAICS code is 237990 (Other Heavy and Civil Engineering Construction).

How can I contact Entact LLC?

Its website is www.entact.com and its phone number is +1 (972) 5801323.

What companies are similar to Entact LLC?

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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