Active
Small Business
Overview
- Legal name
- CORNERSTONE DEFENSE LLC
- Registered location
- HERNDON, VA, USA
- Website
- Company website ↗
- Primary NAICS
- 541519 — Other Computer Related Services
- Latest award activity
- Jan 15, 2026
Read company summary
CORNERSTONE DEFENSE LLC is associated with UEI CKGCGAJG6UF4 and CAGE 6CJU2 in public federal records. AcornBids currently links 1 prime award totaling $500 in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541519 (Other Computer Related Services). Its public SAM.gov registration lists HERNDON, VA, USA.
At a glance
Lifetime prime obligations$500
Prime awards1
Awards with future end dates1
Top-agency concentration
Not available
Why this customer concentration
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 6, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- CORNERSTONE DEFENSE LLC
- UEI
- CKGCGAJG6UF4
- CAGE
- 6CJU2
- Registered address
- 13454 SUNRISE VALLEY DR, HERNDON, VA, 20171, USA
- Registration status
- Active
- Primary NAICS
- 541519 — Other Computer Related Services
- SAM activation
- Jul 11, 2026
- Initial registration
- Apr 16, 2011
- Entity start
- Apr 9, 2011
- SAM updated
- Jul 11, 2026
- Registration expires
- Jul 9, 2027
- Fiscal year end
- Dec 31
- Place of incorporation
- VA, USA
Research brief
Source facts
- Loaded prime-award records link 1 awards and $500 in reported obligations to this legal entity. Source
- Recorded awards include Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) (NAICS 541715); this classification is not proof of every company capability. Source
- An example award describes: SCALABLE HOMELAND INNOVATIVE ENTERPRISE LAYERED DEFENSE (SHIELD) INITIAL ORDER. Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Selected transaction obligations$500
Prime contracts
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 1 of 1 selected awards. Select a period to explore its awards.
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| HQ085926FG344SCALABLE HOMELAND INNOVATIVE ENTERPRISE LAYERED DEFENSE (SHIELD) INITIAL ORDER. | Department of Defense | $500 | Jan 21, 2026 | Dec 28, 2035 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Jul 11, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Apr 16, 2011 |
| Entity start | Apr 9, 2011 |
Registration classifications: Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 488190 — Other Support Activities for Air Transportation | Not reported |
| 518210 — Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | Not reported |
| 541219 — Other Accounting Services | Not reported |
| 541330 — Engineering Services | Not reported |
| 541511 — Custom Computer Programming Services | Not reported |
| 541512 — Computer Systems Design Services | Not reported |
| 541513 — Computer Facilities Management Services | Not reported |
| 541519 — Other Computer Related Services | Not reported |
| 541611 — Administrative Management and General Management Consulting Services | Not reported |
| 541614 — Process, Physical Distribution, and Logistics Consulting Services | Not reported |
| 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | Not reported |
| 541990 — All Other Professional, Scientific, and Technical Services | Not reported |
| 561312 — Executive Search Services | Not reported |
| 561320 — Temporary Help Services | Not reported |
| 561410 — Document Preparation Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| BRANDON ALTMANN | Government business | Contact method not published | SAM registration | Not available |
| PATRICK PALMER | Alternate government business | Contact method not published | SAM registration | Not available |
| PATRICK PALMER | Electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 488190 — Other Support Activities for Air Transportation
- 518210 — Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
- 541219 — Other Accounting Services
- 541330 — Engineering Services
- 541511 — Custom Computer Programming Services
- 541512 — Computer Systems Design Services
- 541513 — Computer Facilities Management Services
- 541519 — Other Computer Related Services
- 541611 — Administrative Management and General Management Consulting Services
- 541614 — Process, Physical Distribution, and Logistics Consulting Services
- 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 541990 — All Other Professional, Scientific, and Technical Services
- 561312 — Executive Search Services
- 561320 — Temporary Help Services
- 561410 — Document Preparation Services
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Related companies worth researching
Explore the customer, work and award-size evidence behind each match.
About CORNERSTONE DEFENSE LLC
What products and services appear in its federal awards?
Recorded award industries: 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).
Recorded products and services: AC13 — NATIONAL DEFENSE R&D SERVICES; DEPARTMENT OF DEFENSE - MILITARY; EXPERIMENTAL DEVELOPMENT.
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
Where is the company registered?
13454 SUNRISE VALLEY DR, HERNDON, Virginia 20171, United States
Registered location from SAM.gov; award performance locations may differ.
What is its primary registered industry?
541519 — Other Computer Related Services.
Primary SAM.gov NAICS classification.
Which federal agencies are represented in its awards?
Department of Defense.
Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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