Diamond Security, Inc.
Diamond Security, Inc. is a small business in Windsor Mill, MD registered on SAM.gov to bid on federal contracts. It has won about $7.2 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.
- UEI
- KBJAKJHJJAD9
- CAGE code
- 39NA1
- SAM.gov registration
- Active
Registration details
| Legal business name | Diamond Security, Inc. |
|---|---|
| Unique Entity ID (UEI) | KBJAKJHJJAD9 |
| CAGE code | 39NA1 |
| Location | Windsor Mill, MD |
| SAM.gov registration | Active through Jul 27, 2027 |
| Business started | 2001 |
| Primary NAICS code | 561621: Security Systems Services (except Locksmiths) |
| Website | www.diamondsecurityinc.com |
Certifications and business types
- Minority-owned (self-reported in SAM.gov)
- Small disadvantaged business (self-reported in SAM.gov)
SBA certifications let a business compete for set-aside contracts. See set-aside contracts explained.
Federal contract history
| Fiscal year | Prime contract obligations |
|---|---|
| FY2023 | $2.6 million |
| FY2024 | $3.5 million |
| FY2025 | $2 million |
| FY2026 | $1.7 million |
Its biggest federal customers over the last four fiscal years: Internal Revenue Service ($5.9 million), Public Buildings Service ($3.5 million), Department of the Air Force ($234,014), Department of the Navy ($82,564) and National Gallery of Art ($44,480).
Recent contract awards
| Awarded | Agency | What it's for | Amount |
|---|---|---|---|
| Sep 29, 2026 | Internal Revenue Service | Design/build uninterruptible power supply replacement, andover campus | $724,879 |
| Sep 29, 2026 | Internal Revenue Service | Design/build renovation of front and rear lobbies at andover campus in massachusetts. | $588,598 |
| Sep 29, 2026 | Internal Revenue Service | Design build uninterruptible power supply modernization, internal revenue service… | $349,000 |
| Dec 29, 2025 | Department of the Army | This purchase order is for the purchase and installation of security cameras for… | $21,742 |
| Sep 26, 2025 | Internal Revenue Service | Design / build construction services for the replacement and installation of a rear… | $596,696 |
| Sep 25, 2025 | Department of the Air Force | The contractor shall provide all equipment, locks, software, hardware, licensing,… | $234,014 |
Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.
NAICS codes Diamond Security, Inc. is small under
On its SAM.gov registration, Diamond Security, Inc. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 561621 Security Systems Services (except Locksmiths)
- 236210 Industrial Building Construction
- 236220 Commercial and Institutional Building Construction
- 238160 Roofing Contractors
- 238210 Electrical Contractors and Other Wiring Installation Contractors
- 238320 Painting and Wall Covering Contractors
- 238330 Flooring Contractors
- 332510 Hardware Manufacturing
- 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
- 334310 Audio and Video Equipment Manufacturing
- 541330 Engineering Services
- 541611 Administrative Management and General Management Consulting Services
- 541690 Other Scientific and Technical Consulting Services
- 561612 Security Guards and Patrol Services
- 561622 Locksmiths
Open contracts in Diamond Security, Inc.'s NAICS codes
671 open federal opportunities on SAM.gov use a NAICS code Diamond Security, Inc. is small under. These are due soonest.
- Lenel OnGuard system with LenelS2 physical security solutions
Due in 2 daysOct 12, 2026
- Army Continuing Medical Education (CME) Reaccreditation
Due in 2 daysOct 12, 2026
- Radios for Tuba City Boarding School
Due in 2 daysOct 12, 2026
- SB Set-Aside under Seaport – Battle Watch Support Services for CNIC
Due in 2 daysOct 12, 2026
- Industry Day - GPS-Enabled Monitoring Devices
Due in 2 daysOct 12, 2026
Similar small businesses
Other small businesses with the same primary NAICS code (561621) that have won federal contracts, starting with Maryland:
- LS3 Inc., Crofton, MD
- Nitor Technologies Inc, Silver Spring, MD
- Rock Creek Logistics, Technology, & Management Business Solutions LLC, Potomac, MD
- Versatile Business Solutions L.L.C., Bowie, MD
- Black Raven Security, LLC, Mechanicsville, MD
- Eagle Integrated Services Incorporated, Olney, MD
Frequently asked questions
What is Diamond Security, Inc.'s CAGE code?
Diamond Security, Inc.'s CAGE code is 39NA1. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Diamond Security, Inc.'s UEI?
Diamond Security, Inc.'s Unique Entity ID (UEI) is KBJAKJHJJAD9. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Diamond Security, Inc.'s SAM.gov registration active?
Yes, as of the latest SAM.gov public data, Diamond Security, Inc.'s registration is active through jul 27, 2027. Registrations are renewed every year.
Is Diamond Security, Inc. a small business?
Diamond Security, Inc. is registered on SAM.gov as small under 15 NAICS codes, including its primary code, 561621. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To ask us to remove this page, email hello@fedready.us.