Insights

Public Sector Focus Master Security has a long history of servicing state and federal government agencies, indicating strong credibility and established relationships. This suggests sales opportunities in federal, state, and local government security contracts and bid opportunities that can leverage their proven track record.

Growing Private Sector With a revenue range of 50M to 100M and emphasis on diversified security operations for private enterprises, there is capacity to scale services for large corporate clients seeking integrated security solutions, access control, and managed security services.

Specialized Security Core Security is the company’s sole focus, which can be positioned as a competitive advantage for contracts requiring mission-critical protection, incident response, and tailored security management programs for high-risk environments.

SMB to Enterprise Scaling Headcount and capabilities suggest readiness to serve mid-market to large enterprises, presenting a pathway for upsell into comprehensive security solutions, ongoing guard services, and technology-enabled monitoring.

Tech & Partnerships Existing tech stack hints at modern infrastructure collaboration and potential for security tech integrations (cloud, web security, data protection) to bolster managed security offerings, opportunities to propose enhanced cybersecurity and physical security convergence.

Master Security Tech Stack

Master Security uses 8 technology products and services including Cloudflare, MySQL, Hammer.js, and more. Explore Master Security's tech stack below.

  • Cloudflare
    Content Management System
  • MySQL
    Database
  • Hammer.js
    Javascript Libraries
  • Facebook Share Button
    Miscellaneous
  • WhatsApp
    Social Sharing
  • X-Content-Type-Options
    Web & Portal Technology
  • HTTP/3
    Web & Portal Technology
  • Nginx
    Web Servers

Master Security's Email Address Formats

Master Security uses at least 1 format(s):
Master Security Email FormatsExamplePercentage
FLast@mastersecurity.usJDoe@mastersecurity.us
92%
First.Last@mastersecurity.usJohn.Doe@mastersecurity.us
3%
First@mastersecurity.usJohn@mastersecurity.us
3%
LFirst@mastersecurity.usDJohn@mastersecurity.us
2%

Frequently Asked Questions

What is Master Security's phone number?

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You can contact Master Security's main corporate office by phone at . 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 Master Security's official website and social media links?

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Master Security's official website is mastersecurity.us and has social profiles on LinkedIn.

How much revenue does Master Security generate?

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As of July 2026, Master Security's annual revenue is estimated to be $50M - $100M.

What is Master Security's SIC code NAICS code?

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Master Security's SIC code is 7381 - Detective, Guard, and Armored Car Services NAICS code is 5616 - Investigation and Security Services.

How many employees does Master Security have currently?

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As of July 2026, Master Security has approximately 499 employees across 6 continents, including North AmericaSouth AmericaEurope. Key team members include Area Manager: R. C.Project Manager: D. H.Management Staff: O. A.. Explore Master Security's employee directory with LeadIQ.

What industry does Master Security belong to?

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Master Security operates in the Security and Investigations industry.

What technology does Master Security use?

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Master Security's tech stack includes CloudflareMySQLHammer.jsFacebook Share ButtonWhatsAppX-Content-Type-OptionsHTTP/3Nginx.

What is Master Security's email format?

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Master Security's email format typically follows the pattern of FLast@mastersecurity.us. Find more Master Security email formats with LeadIQ.

When was Master Security founded?

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Master Security was founded in 1957.
Master Security logo

Master Security

Security and InvestigationsMaryland, United States201-500 Employees

Master Security is a mid-sized security firm based in Hunt Valley, Maryland, specializing in security and investigations. For more than five decades, it has delivered services to state and federal government agencies as well as private sector organizations. The company traces its origins to 1957, when it was founded as Master Detective Agency, and it changed its name to Master Security in 1985 to reflect a broader range of security operations.

Its emphasis on security as the firm's sole business underpins its market positioning, with a history of growth tied to specialization. The organization highlights its experience, commitment, innovation, and reliable follow-through as core determinants of performance. It prioritizes a personalized and responsive management approach intended to support clients in achieving their missions.

Section iconCompany Overview

Phone number
SIC Code
7381 - Detective, Guard, and Armored Car Services
NAICS Code
5616 - Investigation and Security Services
Founded
1957
Employees
201-500

Section iconFunding & Financials

  • $50M - $100M

    Master Security's revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $50M - $100M

    Master Security's revenue is estimated to be in the range of $50M - $100M

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