3SI Security Systems

3sisecurity.com

security & investigations

3sisecurity.com

Malvern, Pennsylvania, United States

201-500 employees

15702000 revenue

LinkedIn Profile

About 3SI Security Systems

cash protection, asset protection, security solutions, protection solutions, protection systems, gps tracking security systems, dye & ink staining security systems, electronic stake out, saas safety systems

3SI Security Systems's Tech Stack

Decision Makers at 3SI Security Systems

2 contacts

Charlie Erickson

CTO

c***@3sisecurity.com Sign up to view

Jason Lockett

Senior Vice President of Engineering

j***@3sisecurity.com Sign up to view

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42 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

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3SI Security Systems's Position in the StackWho Database

• 3SI Security Systems is 1 of 1,900 security & investigations companies tracked in StackWho.
• 1,894 security & investigations companies in our database have verified decision-maker emails (100% of the cohort).
• 7,718 companies in Pennsylvania are in the StackWho database.
• 48 security & investigations companies are in the 201-500 employee range (same size as 3SI Security Systems).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does 3SI Security Systems use?

3SI Security Systems uses Mimecast, DigitalOcean, DynECT, Gmail, Google Apps, Microsoft Office 365, and 36 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at 3SI Security Systems?

StackWho has verified email addresses for 2 decision makers at 3SI Security Systems. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach 3SI Security Systems directly for sales, recruiting, or partnerships.

What industry is 3SI Security Systems in?

3SI Security Systems operates in the security & investigations industry, headquartered in Malvern, Pennsylvania, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export 3SI Security Systems's contact data?

Yes. StackWho Pro members can export decision maker contact data for 3SI Security Systems and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.