Master Security Company LLC

Doing business as Master Security Co LLC Of Maryland

UEI
MMJ8G8LBB7L1
CAGE
7T059
Primary NAICS
561612 Security Guards and Patrol Services
SAM.gov registration
Expired

Company facts

Self-certified in SAM.gov
  • For Profit Organization
  • Limited Liability Company
Entity structure
Partnership or Limited Liability Partnership
NAICS codes registered in SAM.gov
SAM.gov registration date
Website
mastersecurity.us
Founded
1957
Employees
251-1K
Estimated annual revenue
$50M-$100M
Industry
  1. Industrials
  2. Commercial & Professional Services
  3. Professional Services
SIC code
73 Business Services
Profiles

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Recent federal awards

Master Security Company LLC's 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award Agency Obligated Awarded
Armed security officer (ASO) services Contract · 75N96023C00004 National Institute of Environmental Health Sciences $6,632,851
Armed guard II services Contract · 70RFP222FREC00050 Office of Procurement Operations $256,863
Armed guard II services Contract · 70RFP222FREC00049 Office of Procurement Operations $250,464
Armed guard II services Contract · 70RFP222FREC00037 Office of Procurement Operations $249,915
Armed guard II services Contract · 70RFP222FREC00036 Office of Procurement Operations $249,304

About Master Security Company LLC

Master Security Company LLC is a leading provider of security services for government agencies and private enterprises. The company specializes in offering a wide range of security services including armed security officers, protective security officers, and security guard services.

Through various prime and subcontract awards, Master Security Company LLC has provided armed guard services, protective security officer services, and other security guard services to safeguard personnel and facilities for the Department of Health and Human Services, the Department of Homeland Security Office of Procurement Operations, and other federal customers. Specific services rendered include supplying armed protective security officer details, armed guard support, and general security guard coverage to protect federal buildings and operations in locations such as Research Triangle Park, North Carolina; Washington, D.C.; Northern Virginia; and Ashburn, Virginia. Master Security Company LLC has been awarded multiple delivery orders against the Department of Homeland Security's Protective Security Officer Services IDIQ to provide these site security services, as well as a $8 million definitive contract from the National Institute of Environmental Health Sciences for armed security personnel. Awards have ranged from approximately $250,000 to over $29 million for firm fixed price and multi-year efforts. No set aside designations were indicated and no subcontractors were specified in the available contract award information.

Contract vehicles

Quick answers

What is Master Security Company LLC's UEI?

Master Security Company LLC's Unique Entity ID (UEI) in SAM.gov is MMJ8G8LBB7L1.

What is Master Security Company LLC's CAGE code?

Master Security Company LLC's CAGE code is 7T059.

What is Master Security Company LLC's primary NAICS code?

Master Security Company LLC's primary NAICS code is 561612 (Security Guards and Patrol Services).

Is Master Security Company LLC registered in SAM.gov?

Master Security Company LLC's SAM.gov registration expired on August 8, 2026.

Which contract vehicles does Master Security Company LLC hold?

Master Security Company LLC holds a place on 3 federal contract vehicles, including DHS Protective Security Officer Services 2013-2016, Protective Security Officer Services and Protective Security Officer Services 2010-2015.

What is Master Security Company LLC's most recent federal award?

Master Security Company LLC's most recent federal contract award is Armed security officer (ASO) services (75N96023C00004), from National Institute of Environmental Health Sciences, on May 16, 2023.

On GovTribe

See Master Security Company LLC's full federal record

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