Insights

Stable Government Security Master Security has a long track record serving state and federal agencies, indicating a strong fit for renewed or expanded government security contracts and RFP opportunities.

Scale and Reach With 501-1000 employees and competitive revenue, there is room to pursue enterprise-level security solutions and integrated services that align with larger client footprints and multi-site requirements.

Industrial Focus The company positions security as its sole focus, signaling potential for upsell in advanced guarding, risk assessment, investigations, and technology-enabled security management for complex environments.

Tech Enablement Existing tech stack including WordPress, security tooling, and web security practices suggests opportunities to introduce modernized monitoring, analytics, and incident response platforms to existing clients.

Competitive Benchmarking Revenue parity with mid-market peers and progressive growth indicate potential to differentiate through service level agreements, compliance programs, and tailored training for government and corporate customers.

Similar companies to Master Security

Master Security Tech Stack

Master Security uses 8 technology products and services including Sucuri, WordPress, Microsoft Excel, and more. Explore Master Security's tech stack below.

  • Content Delivery Network
  • Content Management System
  • Microsoft Excel
    Editors
  • Modernizr
    Javascript Libraries
  • Bootstrap
    UI Frameworks
  • HTTP/3
    Web & Portal Technology
  • X-Content-Type-Options
    Web & Portal Technology
  • Nginx
    Web Servers

Master Security's Email Address Formats

Master Security uses at least 4 email formats:
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 August 2026, Master Security's annual revenue is estimated to be $50M - $100M.

What is Master Security's SIC code and NAICS code?

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

How many employees does Master Security have currently?

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As of August 2026, Master Security has approximately 503 employees across 6 continents, including North America, South America and Europe. Key team members include Area Manager: R. C., Project Manager: D. H. and Project Manager: R. S. 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 Sucuri, WordPress, Microsoft Excel, Modernizr, Bootstrap, HTTP/3, X-Content-Type-Options and Nginx.

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 States501-1000 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
501-1000

Section iconFunding & Financials

  • $50M - $100M

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

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