Federal contractor profile
NS4 INC.
UEI C4E7ZG55KPM6CAGE 8JR81
Active
Small Business
Overview
- Legal name
- NS4 INC.
- Also known as
- NS4 INC
- Registered location
- LEESBURG, VA, USA
- Primary NAICS
- 541330 — Engineering Services
- Latest award activity
- Jun 4, 2026
Read company summary
NS4 INC. is associated with UEI C4E7ZG55KPM6 and CAGE 8JR81 in public federal records. AcornBids currently links 2 prime awards totaling $1.0K 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); Engineering Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541330 (Engineering Services). Its public SAM.gov registration lists LEESBURG, VA, USA.
At a glance
Lifetime prime obligations$1.0K
Prime awards2
Awards with future end dates2
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 Refresh pending; these totals may be out of date.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
- NS4 INC.
- Doing business as
- NS4 INC
- UEI
- C4E7ZG55KPM6
- CAGE
- 8JR81
- Registered address
- 161 FORT EVANS RD NE, LEESBURG, VA, 20176, USA
- Registration status
- Active
- Primary NAICS
- 541330 — Engineering Services
- SAM activation
- Mar 13, 2026
- Initial registration
- Apr 1, 2020
- Entity start
- Jul 19, 2019
- SAM updated
- Mar 13, 2026
- Registration expires
- Mar 11, 2027
- Fiscal year end
- Dec 31
- Place of incorporation
- VA, USA
Research brief
Source facts
- Loaded prime-award records link 2 awards and $1,000 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$1.0K
Prime contracts
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 2 of 2 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 |
|---|---|---|---|---|
| HQ085926FG300SCALABLE HOMELAND INNOVATIVE ENTERPRISE LAYERED DEFENSE (SHIELD) INITIAL ORDER. | Department of Defense | $500 | Jan 21, 2026 | Dec 28, 2035 |
| N0017825F7632MINIMUM GUARANTEE TASK ORDER FOR ASSOCIATED SEAPORT NXG MAC AWARDS. | Department of Defense | $500 | Mar 6, 2025 | Jan 1, 2029 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Mar 13, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Apr 1, 2020 |
| Entity start | Jul 19, 2019 |
Registration classifications: Self Certified Small Disadvantaged Business, Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 339113 — Surgical Appliance and Supplies Manufacturing | 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 |
| 541990 — All Other Professional, Scientific, and Technical Services | Not reported |
| 561210 — Facilities Support Services | Not reported |
| 611420 — Computer Training | Not reported |
| 611430 — Professional and Management Development Training | Not reported |
| 611512 — Flight Training | Not reported |
| 611710 — Educational Support Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| ABUBAKR SHAIK | Government business | Contact method not published | SAM registration | Not available |
| ABUBAKR SHAIK | Electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 339113 — Surgical Appliance and Supplies Manufacturing
- 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
- 541990 — All Other Professional, Scientific, and Technical Services
- 561210 — Facilities Support Services
- 611420 — Computer Training
- 611430 — Professional and Management Development Training
- 611512 — Flight Training
- 611710 — Educational Support Services
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
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About NS4 INC.
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); 541330 — Engineering Services.
Recorded products and services: AC13 — NATIONAL DEFENSE R&D SERVICES; DEPARTMENT OF DEFENSE - MILITARY; EXPERIMENTAL DEVELOPMENT; R499 — Other Professional Services.
Examples from recent award records:
- SCALABLE HOMELAND INNOVATIVE ENTERPRISE LAYERED DEFENSE (SHIELD) INITIAL ORDER.
- MINIMUM GUARANTEE TASK ORDER FOR ASSOCIATED SEAPORT NXG MAC AWARDS.
These records describe federal award work, not every company capability. Review the award evidence.
Where is the company registered?
161 FORT EVANS RD NE, LEESBURG, Virginia 20176, United States
Registered location from SAM.gov; award performance locations may differ.
What is its primary registered industry?
541330 — Engineering 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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