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Products & Services
About Si Security
This profile covers Si Security, a company operating in Office service, employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Investigation and Security Services and based in Van Nuys, California, United States.
Its primary NAICS classification is 561612 (Security Guards and Patrol Services). Si Security is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Address
- 6121 Woodman Ave. 105, Van Nuys, California, 91401, 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
- 29 (21-50)
- Annual Revenue
- $2.2M ($1M-$5M)
Si Security: frequently asked questions
What does Si Security do?
This profile covers Si Security, a company operating in Office service, employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Investigation and Security Services and based in Van Nuys, California, United States.
Where is Si Security located?
Si Security is headquartered at 6121 Woodman Ave. 105, Van Nuys, California, 91401, United States.
How many employees does Si Security have?
Si Security has about 29 employees (the 21-50 range).
What is Si Security's annual revenue?
Si Security's annual revenue is estimated at $2.2M (the $1M-$5M range).
What industry is Si Security in?
Si Security is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561612 (Security Guards and Patrol Services).
What companies are similar to Si Security?
Other large industrial & mechanical companies in California include State of California, TD SYNNEX Corp, University of California and Ingram Micro Holding Corp.
Largest industrial & mechanical companies in California
Largest companies in California
Largest industrial & mechanical companies
Manufacturing sales in California, 2026
In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.
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