Computer System Institute
Commercial services · Gurnee, Illinois
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Products & Services
About Computer System Institute
Computer System Institute is listed as a company reporting $5M-$10M in annual revenue, classified under Business Schools and Computer and Management Training, based in Gurnee, Illinois, United States, operating in Office service and employing 101-250 people.
Its primary NAICS classification is 611420 (Computer Training). Computer System Institute is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Address
- 1800 Nations Dr, Gurnee, Illinois, 60031, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 61Educational Services
- 6114Business Schools and Computer and Management Training
- 611420Computer Training
SIC Codes
- 82Educational Services
- 824Vocational Schools
- 8243Computer Training
Company Details
- Employees
- 215 (101-250)
- Annual Revenue
- $9.0M ($5M-$10M)
Computer System Institute: frequently asked questions
What does Computer System Institute do?
Computer System Institute is listed as a company reporting $5M-$10M in annual revenue, classified under Business Schools and Computer and Management Training, based in Gurnee, Illinois, United States, operating in Office service and employing 101-250 people.
Where is Computer System Institute located?
Computer System Institute is headquartered at 1800 Nations Dr, Gurnee, Illinois, 60031, United States.
How many employees does Computer System Institute have?
Computer System Institute has about 215 employees (the 101-250 range).
What is Computer System Institute's annual revenue?
Computer System Institute's annual revenue is estimated at $9.0M (the $5M-$10M range).
What industry is Computer System Institute in?
Computer System Institute is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 611420 (Computer Training).
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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