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Products & Services
About Windsor Systems
This profile covers Windsor Systems, a company employing 21-50 people, reporting $0M-$1M in annual revenue, classified under Investigation and Security Services, based in Chicago, Illinois, United States and operating in Office service.
Its primary NAICS classification is 561621 (Security Systems Services (except Locksmiths)). Windsor Systems is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Address
- 3727 N Kedzie Ave, Chicago, Illinois, 60618, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5616Investigation and Security Services
- 561621Security Systems Services (except Locksmiths)
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7382Security Systems Services (Except Locksmiths)
Company Details
- Employees
- 23 (21-50)
- Annual Revenue
- $940,000 ($0M-$1M)
Windsor Systems: frequently asked questions
What does Windsor Systems do?
This profile covers Windsor Systems, a company employing 21-50 people, reporting $0M-$1M in annual revenue, classified under Investigation and Security Services, based in Chicago, Illinois, United States and operating in Office service.
Where is Windsor Systems located?
Windsor Systems is headquartered at 3727 N Kedzie Ave, Chicago, Illinois, 60618, United States.
How many employees does Windsor Systems have?
Windsor Systems has about 23 employees (the 21-50 range).
What is Windsor Systems's annual revenue?
Windsor Systems's annual revenue is estimated at $940,000 (the $0M-$1M range).
What industry is Windsor Systems in?
Windsor Systems is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561621 (Security Systems Services (except Locksmiths)).
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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