Guardian Security Systems
Commercial services · Jericho, New York
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Products & Services
About Guardian Security Systems
This profile covers Guardian Security Systems, a company classified under Investigation and Security Services, based in Jericho, New York, United States, operating in Office service, employing 21-50 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 561621 (Security Systems Services (except Locksmiths)). Guardian Security Systems is one of 1,507,691 Industrial & mechanical companies listed in New York.
Business Contact Information
- Phone
- +1 (516) 6262477
- Address
- PO Box 537, Jericho, New York, 11753, 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
- 47 (21-50)
- Annual Revenue
- $4.3M ($1M-$5M)
Guardian Security Systems: frequently asked questions
What does Guardian Security Systems do?
This profile covers Guardian Security Systems, a company classified under Investigation and Security Services, based in Jericho, New York, United States, operating in Office service, employing 21-50 people and reporting $1M-$5M in annual revenue.
Where is Guardian Security Systems located?
Guardian Security Systems is headquartered at PO Box 537, Jericho, New York, 11753, United States.
How many employees does Guardian Security Systems have?
Guardian Security Systems has about 47 employees (the 21-50 range).
What is Guardian Security Systems's annual revenue?
Guardian Security Systems's annual revenue is estimated at $4.3M (the $1M-$5M range).
What industry is Guardian Security Systems in?
Guardian Security Systems is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561621 (Security Systems Services (except Locksmiths)).
How can I contact Guardian Security Systems?
Its phone number is +1 (516) 6262477.
What companies are similar to Guardian Security Systems?
Other large industrial & mechanical companies in New York include New York State, New York State Department of Health, City of New York and International Business Machines Corp.
Largest industrial & mechanical companies in New York
Largest companies in New York
Largest industrial & mechanical companies
Manufacturing sales in New York, 2026
In New York, Factur's 2026 study counted 53 manufacturing quotes worth $5M and 8 purchase orders over 12 months: 15% of quotes became orders, against 21% nationally. See the New York data.
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