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Gathering insights about 3SI Security Systems…

3SI Security Systems Tech Stack

3SI Security Systems uses 8 technology products and services including Hotjar, Cloudflare, MySQL, and more. Explore 3SI Security Systems's tech stack below.

  • Hotjar
    Analytics
  • Cloudflare
    Content Management System
  • MySQL
    Database
  • Microsoft Excel
    Editors
  • Angular
    Javascript Frameworks
  • Microsoft Word
    Office Suites
  • JavaScript
    Programming Languages
  • Google Analytics
    Web Analytics

Media & News

3SI Security Systems's Email Address Formats

3SI Security Systems uses at least 1 format(s):
3SI Security Systems Email FormatsExamplePercentage
First_Last@3sisecurity.comJohn_Doe@3sisecurity.com
82%
FLast@3sisecurity.comJDoe@3sisecurity.com
14%
First@3sisecurity.comJohn@3sisecurity.com
3%
FirstLast@3sisecurity.comJohnDoe@3sisecurity.com
1%

Frequently Asked Questions

Where is 3SI Security Systems's headquarters located?

Minus sign iconPlus sign icon3SI Security Systems's main headquarters is located at 101 Lindenwood Drive, Suite 200. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is 3SI Security Systems's phone number?

Minus sign iconPlus sign icon You can contact 3SI Security Systems's main corporate office by phone at
+1-610-280-****
. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is 3SI Security Systems's stock symbol?

Minus sign iconPlus sign icon3SI Security Systems is a publicly traded company; the company's stock symbol is 3SIS.L.

What is 3SI Security Systems's official website and social media links?

Minus sign iconPlus sign icon3SI Security Systems's official website is 3sisecurity.com and has social profiles on LinkedInCrunchbase.

How much revenue does 3SI Security Systems generate?

Minus sign iconPlus sign icon As of December 2025, 3SI Security Systems's annual revenue is estimated to be $6M.

What is 3SI Security Systems's SIC code NAICS code?

Minus sign iconPlus sign icon3SI Security Systems's SIC code is 5063 - Electrical Apparatus and Equipment Wiring Supplies, and Construction Materials NAICS code is 5616 - Investigation and Security Services.

How many employees does 3SI Security Systems have currently?

Minus sign iconPlus sign iconAs of December 2025, 3SI Security Systems has approximately 345 employees across 5 continents, including North AmericaEuropeAsia. Key team members include Chief Revenue Officer: M. C.Vp Of Revenue Operations: R. L.Vp Of Marketing: M. P.. Explore 3SI Security Systems's employee directory with LeadIQ.

What industry does 3SI Security Systems belong to?

Minus sign iconPlus sign icon3SI Security Systems operates in the Security and Investigations industry.

What technology does 3SI Security Systems use?

Minus sign iconPlus sign icon3SI Security Systems's tech stack includes HotjarCloudflareMySQLMicrosoft ExcelAngularMicrosoft WordJavaScriptGoogle Analytics.

What is 3SI Security Systems's email format?

Minus sign iconPlus sign icon3SI Security Systems's email format typically follows the pattern of First_Last@3sisecurity.com. Find more 3SI Security Systems email formats with LeadIQ.

How much funding has 3SI Security Systems raised to date?

Minus sign iconPlus sign icon As of December 2025, 3SI Security Systems has raised $13M in funding. The last funding round occurred on Jul 29, 2002 for $13M.

When was 3SI Security Systems founded?

Minus sign iconPlus sign icon3SI Security Systems was founded in 1971.

3SI Security Systems

Security and InvestigationsPennsylvania, United States201-500 Employees

Redefined Actionable Intelligence: With a fresh new look and a revolutionary purpose and mission, we are positioned to better serve our clients, partners, law enforcement, and communities with our cutting-edge technologies and real-world experience to deliver redefined actionable intelligence via an integrated platform that significantly impacts the bottom line – and, more importantly, lives. 

The Power of 3: At the core of the new 3Si is the Power of 3 — a comprehensive suite of solutions designed to deliver on the company’s promise of getting the Right Data to the Right People at the Right Time to contribute to a Safer World.

Section iconCompany Overview

Headquarters
101 Lindenwood Drive, Suite 200
Phone number
+1-610-280-****
Website
3sisecurity.com
SIC Code
5063 - Electrical Apparatus and Equipment Wiring Supplies, and Construction Materials
Stock Symbol
3SIS.L
NAICS Code
5616 - Investigation and Security Services
Founded
1971
Employees
201-500

Section iconMedia & News

Section iconFunding & Financials

  • $13M

    3SI Security Systems has raised a total of $13M of funding over 1 rounds. Their latest funding round was raised on Jul 29, 2002 in the amount of $13M.

  • $50M$100M

    3SI Security Systems's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $13M

    3SI Security Systems has raised a total of $13M of funding over 1 rounds. Their latest funding round was raised on Jul 29, 2002 in the amount of $13M.

  • $50M$100M

    3SI Security Systems's revenue is estimated to be in the range of $50M$100M

Company Leadership

  • Stylized image of a person
    M. C.
    Chief Revenue Officer
    Phone icon
    Mobile Phone
  • Stylized image of a person
    R. L.
    Vp Of Revenue Operations
    Phone icon
    Mobile Phone
  • Stylized image of a person
    M. P.
    Vp Of Marketing
    Phone icon
    Mobile Phone
  • Stylized image of a person
    G. S.
    Vice President Of Sales
    Phone icon
    Mobile Phone
  • Stylized image of a person
    B. C.
    Vp Of Engineering And Manufacturing
    Phone icon
    Mobile Phone

Employee Directory

  • Stylized image of a person
    R. L.
    Vp Of Revenue Operations
    Phone icon
    Mobile Phone
  • Stylized image of a person
    D. A.
    Vice President, Us Financial , Canada And International Markets
    Phone icon
    Mobile Phone
  • Stylized image of a person
    M. P.
    Vp Of Marketing
    Phone icon
    Mobile Phone
  • Stylized image of a person
    B. C.
    Vice President, Information Technology
    Phone icon
    Mobile Phone
  • Stylized image of a person
    E. W.
    Sr. Vice President, Human Resources
    Phone icon
    Mobile Phone

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