Federal contractor profile
STS SYSTEMS DEFENSE LLC
UEI E851ND24QMX9CAGE 88KS3
Active
Small Business
Overview
- Legal name
- STS SYSTEMS DEFENSE LLC
- Registered location
- SAN ANTONIO, TX, USA
- Primary NAICS
- 541330 — Engineering Services
- Latest award activity
- Jun 4, 2026
Read company summary
STS SYSTEMS DEFENSE LLC is associated with UEI E851ND24QMX9 and CAGE 88KS3 in public federal records. AcornBids currently links 30 prime awards totaling $100.9M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Engineering Services; Prefabricated Metal Building and Component Manufacturing; Janitorial 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 SAN ANTONIO, TX, USA.
At a glance
Lifetime prime obligations$100.9M
Prime awards30
Awards with future end dates7
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 10, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- STS SYSTEMS DEFENSE LLC
- UEI
- E851ND24QMX9
- CAGE
- 88KS3
- Registered address
- 1826 N LOOP 1604 W STE 336G, SAN ANTONIO, TX, 78248, USA
- Registration status
- Active
- Primary NAICS
- 541330 — Engineering Services
- SAM activation
- May 22, 2026
- Initial registration
- Jan 25, 2019
- Entity start
- Jan 14, 2019
- SAM updated
- May 22, 2026
- Registration expires
- May 13, 2027
- Fiscal year end
- Mar 31
- Place of incorporation
- AK, USA
Research brief
Source facts
- Loaded prime-award records link 30 awards and $100,860,854 in reported obligations to this legal entity. Source
- Recorded awards include Engineering Services (NAICS 541330); this classification is not proof of every company capability. Source
- An example award describes: CFT F-16 AND F-5 AIRCRAFT SUPPORT Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Selected transaction obligations$86.1M
Prime contracts
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 30 of 30 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 |
|---|---|---|---|---|
| N0042125F0192CFT F-16 AND F-5 AIRCRAFT SUPPORT | Department of Defense | $1.1M | Sep 3, 2025 | Sep 3, 2026 |
| N0042125F0699PROCUREMENT AND SUPPLY SUPPORT | Department of Defense | $2.2M | Sep 28, 2025 | Sep 27, 2026 |
| N0042126F0339FUNDING IN SUPPORT OF CLIN 0002 | Department of Defense | $74.1K | Feb 2, 2026 | Feb 1, 2027 |
| N0042126F0387F-16C REDNET VALIDATION ON 87 SERIES | Department of Defense | $43.1K | Feb 2, 2026 | Feb 1, 2027 |
| W50S6Z26CA001MANPOWER CONVERSION OFFICER | Department of Defense | $128.9K | Jun 1, 2026 | Nov 30, 2026 |
| FA822825F0014THE PURPOSE OF THIS REQUIREMENT IS TO PROVIDE PROCUREMENT OF A PAINT BOOTH AND FACILITY MODIFICATIONS FOR REVERSION OFF-EQUIPMENT DEPOT ACTIVATION IN STRICT ACCORDANCE WITH THE… | Department of Defense | $21.2M | Aug 26, 2025 | Nov 26, 2027 |
| FA822825F0017ENGINEERING SERVICES FOR TURNKEY DEPOT INDUSTRIAL PLANT EQUIPMENT (DIPE) SYSTEMS, AND SUBSYSTEMS SOLUTIONS. SBA REQUIREMENT # KI1645724462E | Department of Defense | $768.5K | Jul 23, 2025 | Jul 23, 2026 |
| FA823226FB088THROUGH THIS CONTRACT, THE GOVERNMENT PROVIDES CYBER DELIVERABLES FOR SOFTWARE OFPS PROGRAM DELIVERABLES, ELECTRICAL INTERFACE COMPONENTS, MECHANICAL COMPONENTS, UNIQUE SUPPORT… | Department of Defense | $5.2M | Feb 18, 2026 | Feb 17, 2027 |
| FA822825C0005THE PURPOSE OF THIS REQUIREMENT IS TO BUILD PAINT BOOTHS IN STRICT ACCORDANCE WITH THE STATEMENT OF WORK. | Department of Defense | $21.9M | Sep 25, 2025 | Apr 26, 2026 |
| FA822824F0030ENGINEERING SERVICES FOR TURNKEY DEPOT INDUSTRIAL PLANT EQUIPMENT (DIPE) SYSTEMS, AND SUBSYSTEMS SOLUTIONS. | Department of Defense | $248.0K | Sep 11, 2024 | Jun 30, 2026 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | May 22, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Jan 25, 2019 |
| Entity start | Jan 14, 2019 |
Expires Dec 23, 2029
SAM public SBA certification fieldsRegistration classifications: Self Certified Small Disadvantaged Business, Small Business, SBA Certified 8A Program Participant. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 332311 — Prefabricated Metal Building and Component Manufacturing | Not reported |
| 541330 — Engineering Services | Not reported |
| 541340 — Drafting 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 |
| 541618 — Other Management Consulting Services | Not reported |
| 541690 — Other Scientific and Technical Consulting Services | Not reported |
| 541940 — Veterinary Services | Not reported |
| 541990 — All Other Professional, Scientific, and Technical Services | Not reported |
| 561110 — Office Administrative Services | Not reported |
| 561210 — Facilities Support Services | Not reported |
| 561720 — Janitorial Services | Not reported |
| 561990 — All Other Support Services | Not reported |
| 611420 — Computer Training | Not reported |
| 611630 — Language Schools | Not reported |
| 611699 — All Other Miscellaneous Schools and Instruction | Not reported |
| 611710 — Educational Support Services | Not reported |
| 811210 — Electronic and Precision Equipment Repair and Maintenance | Not reported |
| 811310 — Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| SCOTT SEAVERS | Government business | Contact method not published | SAM registration | Not available |
| GEORGE VANDEVERE | Alternate government business | Contact method not published | SAM registration | Not available |
| SCOTT SEAVERS | Electronic business | Contact method not published | SAM registration | Not available |
| GEORGE VANDEVERE | Alternate electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 332311 — Prefabricated Metal Building and Component Manufacturing
- 541330 — Engineering Services
- 541340 — Drafting 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
- 541618 — Other Management Consulting Services
- 541690 — Other Scientific and Technical Consulting Services
- 541940 — Veterinary Services
- 541990 — All Other Professional, Scientific, and Technical Services
- 561110 — Office Administrative Services
- 561210 — Facilities Support Services
- 561720 — Janitorial Services
- 561990 — All Other Support Services
- 611420 — Computer Training
- 611630 — Language Schools
- 611699 — All Other Miscellaneous Schools and Instruction
- 611710 — Educational Support Services
- 811210 — Electronic and Precision Equipment Repair and Maintenance
- 811310 — Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
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About STS SYSTEMS DEFENSE LLC
What products and services appear in its federal awards?
Recorded award industries: 541330 — Engineering Services; 332311 — Prefabricated Metal Building and Component Manufacturing; 561720 — Janitorial Services.
Recorded products and services: R425 — Engineering and Technical Services; 5410 — Prefabricated and Portable Buildings; S201 — Custodial Janitorial Services.
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
Where is the company registered?
1826 N LOOP 1604 W STE 336G, SAN ANTONIO, Texas 78248, 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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