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Products & Services
About Cook County
Cook County is listed as a company based in Lansing, Illinois, United States, operating in Office service, employing 21-50 people, reporting $1M-$5M in annual revenue and classified under Executive, Legislative, and Other General Government Suppor.
Its primary NAICS classification is 921120 (Legislative Bodies). Cook County is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Address
- 3141 Ridge Rd, Lansing, Illinois, 60438, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 92Public Administration
- 9211Executive, Legislative, and Other General Government Support
- 921120Legislative Bodies
SIC Codes
- 91Executive, Legislative, And General Government, Except Finance
- 912Legislative Bodies
- 9121
Company Details
- Employees
- 27 (21-50)
- Annual Revenue
- $4.8M ($1M-$5M)
Cook County: frequently asked questions
What does Cook County do?
Cook County is listed as a company based in Lansing, Illinois, United States, operating in Office service, employing 21-50 people, reporting $1M-$5M in annual revenue and classified under Executive, Legislative, and Other General Government Suppor.
Where is Cook County located?
Cook County is headquartered at 3141 Ridge Rd, Lansing, Illinois, 60438, United States.
How many employees does Cook County have?
Cook County has about 27 employees (the 21-50 range).
What is Cook County's annual revenue?
Cook County's annual revenue is estimated at $4.8M (the $1M-$5M range).
What industry is Cook County in?
Cook County is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 921120 (Legislative Bodies).
Largest companies in Illinois
Largest industrial & mechanical 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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