Gatekeeper Security

gatekeepersecurity.com

Sterling, Virginia, United States

11-50 employees

LinkedIn Profile

About Gatekeeper Security

undercarriage scanners, foreign object detection, radiation detection for nuclear facilities, portable radiation detectors, license plate decoding, automated threat recognition, x-ray inspection, threat and contraband detection, z backscatter technology, real-time threat detection, b2b, automated inspection systems, security and surveillance equipment manufacturing, omniview gantry system, security services and systems, automated inspection, multi-view imaging, intelligent image analytics, high-

Gatekeeper Security's Tech Stack

Decision Makers at Gatekeeper Security

1 contact

Christopher Millar

CEO

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18 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

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Gatekeeper Security's Position in the StackWho Database

• Gatekeeper Security 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).
• 6,974 companies in Virginia are in the StackWho database.
• 767 security & investigations companies are in the 11-50 employee range (same size as Gatekeeper Security).

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 Gatekeeper Security use?

Gatekeeper Security uses Outlook, Microsoft Office 365, DigitalOcean, DNS Made Easy, MailChimp SPF, Atlassian Cloud, and 12 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Gatekeeper Security?

StackWho has verified email addresses for 1 decision maker at Gatekeeper Security. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Gatekeeper Security directly for sales, recruiting, or partnerships.

What industry is Gatekeeper Security in?

Gatekeeper Security operates in the security & investigations industry, headquartered in Sterling, Virginia, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Gatekeeper Security's contact data?

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