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Products & Services
About Sigma Security
Sigma Security is a company employing 21-50 people, reporting $10M-$25M 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 561612 (Security Guards and Patrol Services). Sigma Security is one of 508,039 Industrial & mechanical companies listed in Illinois.
Business Contact Information
- Phone
- +1 (773) 7795541
- Address
- 9933 S Western Ave, Chicago, Illinois, 60643, 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
- 561612Security Guards and Patrol Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7381Investigation Services
Company Details
- Employees
- 34 (21-50)
- Annual Revenue
- $16.7M ($10M-$25M)
Sigma Security: frequently asked questions
What does Sigma Security do?
Sigma Security is a company employing 21-50 people, reporting $10M-$25M in annual revenue, classified under Investigation and Security Services, based in Chicago, Illinois, United States and operating in Office service.
Where is Sigma Security located?
Sigma Security is headquartered at 9933 S Western Ave, Chicago, Illinois, 60643, United States.
How many employees does Sigma Security have?
Sigma Security has about 34 employees (the 21-50 range).
What is Sigma Security's annual revenue?
Sigma Security's annual revenue is estimated at $16.7M (the $10M-$25M range).
What industry is Sigma Security in?
Sigma Security is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561612 (Security Guards and Patrol Services).
How can I contact Sigma Security?
Its phone number is +1 (773) 7795541.
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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