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
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Partnership or Limited Liability Partnership
- Other NAICS codes in SAM.gov
- SAM.gov registration date
- Website
- mastersecurity.us
- Founded
- 1957
- Employees
- 251-1K
- Estimated annual revenue
- $50M-$100M
- Industry
-
- Industrials
- Commercial & Professional Services
- 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 .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $4,782,203 |
| FY2025 | $9,894,515 |
| FY2024 | $24,658,896 |
| FY2023 | $29,537,679 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Homeland Security | $4,782,203 |
Contract vehicles
No active vehicles.
Contract awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Armed security officer (ASO) services | National Institute of Environmental Health Sciences (NIH) | $6,632,851 | |
| Armed guard II services | Office of Procurement Operations | $256,863 | |
| Armed guard II services | Office of Procurement Operations | $250,464 | |
| Armed guard II services | Office of Procurement Operations | $249,915 | |
| Armed guard II services | Office of Procurement Operations | $249,304 |
Latest 5 listed here. See the rest on GovTribe.
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Maxsent | Conshohocken, PA | 561612 Security Guards and Patrol Services |
| Sectek / Sectek Security | McLean, VA | 561612 Security Guards and Patrol Services |
| Norton Consulting & Investigations, LLC | Las Vegas, NV | 561612 Security Guards and Patrol Services |
| Triple Canopy Inc. | Herndon, VA | 561612 Security Guards and Patrol Services |
| First Coast Security Solutions, Inc. | Jacksonville, FL | 561612 Security Guards and Patrol Services |
About the company
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.
Quick answers
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 Protective Security Officer Services, DHS Protective Security Officer Services 2013-2016 and Protective Security Officer Services 2010-2015.
How much has Master Security Company LLC received in federal contracts?
Federal contracts obligated $9,894,515 to Master Security Company LLC in fiscal year 2025 and $68,873,294 in fiscal years 2023 through 2027.
How does Master Security Company LLC rank among federal contractors?
Master Security Company LLC ranked #67 in PSC S206, #83 in NAICS 561612 and #97 in NAICS 56161 in FY2025.
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 (NIH), on May 16, 2023.
On GovTribe
See Master Security Company LLC's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Funding analysis by agency, NAICS and set-aside
- Similar vendors