Federal contractor · SAN ANTONIO, TX

STS SYSTEMS DEFENSE LLC

STS SYSTEMS DEFENSE LLC received $6.7M in federal contract obligations in FY2026, on 16 awards (−92% vs FY2025). Since FY2021: $108M. Its largest customer was Department of the Air Force ($6.3M).

Obligations · FY2026
$6.7M
New awards
16
Sole-source
100%
Single offer
0.0%
UEI
E851ND24QMX9
Small businessMinority-owned8(a) programNative-owned
Open in the contracts explorerRelationship graph

Spending by fiscal year

Obligations per federal fiscal year (October–September).

  1. 1.3MFY2021
  2. 2.4MFY2022
  3. 2.5MFY2023
  4. 15.7MFY2024
  5. 79.4MFY2025
  6. 6.7MFY2026

Top buying agencies

Obligations in FY2026.

  1. Department of the Air Force$6.3M93%
    10 awards
  2. Department of the Navy$317.3K4.7%
    5 awards
  3. Department of the Army$123.3K1.8%
    1 awards

What was bought · Where the work was performed

Obligations in FY2026.

What was bought

  1. Professional services$6.1M91%
  2. Equipment maintenance$317.3K4.7%
  3. Other equipment & supplies$260.5K3.9%

Where the work was performed

  1. Bexar County, TX$4.9M73%
  2. Davis County, UT$1.4M21%
  3. Churchill County, NV$243.1K3.6%
  4. Houston County, GA$123.3K1.8%

Integrity signals

Shares of the year's obligations, next to the country's.

  • Low competition100%
    US 39% · $6.7M
  • Sole-source awards100%
    US 30% · $6.7M
  • Single-offer competitions0.0%
    US 8.8% · $0
  • Urgency justifications0.0%
    US 5.1% · $0

A signal is a reason to look closer, not evidence of wrongdoing: most sole-source awards are lawful and justified.

Agencies awarding it sole-source contracts

  1. Department of the Air Force$6.3M
    Department of Defense · 1 awards
  2. Department of the Navy$317.3K
    Department of Defense · 2 awards
  3. Department of the Army$123.3K
    Department of Defense · 1 awards

Largest awards

  1. THE PURPOSE OF THIS REQUIREMENT IS TO BUILD PAINT BOOTHS IN STRICT ACCORDANCE WITH THE STATEMENT OF WORK.$21.9M
    Department of the Air Force· Davis County, UT· Other equipment & supplies· Sep 16, 2025 – Apr 23, 2026· FA822825C0005
  2. THE 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 STATEMENT OF WORK. SBA REQUIREMENT # KI1645724462E$21.2M
    Department of the Air Force· Davis County, UT· Professional services· Aug 26, 2025 – May 26, 2026· FA822825F0014
  3. THROUGH THIS CONTRACT, THE GOVERNMENT PROVIDES CYBER DELIVERABLES FOR SOFTWARE OFPS PROGRAM DELIVERABLES, ELECTRICAL INTERFACE COMPONENTS, MECHANICAL COMPONENTS, UNIQUE SUPPORT EQUIPMENT UPGRADES, AND HARDWARE (ON-BOARD AVIONICS).$5.2M
    Department of the Air Force· Bexar County, TX· Professional services· Feb 12, 2026 – May 1, 2026· FA823226FB088
  4. LANDING GEAR INDUSTRIAL PLANT EQUIPMENT IN SUPPORT OF 309 AIRCRAFT MAINTENANCE GROUP AT HILL AIR FORCE BASE.$4.9M
    Department of the Air Force· Davis County, UT· Professional services· Mar 25, 2025 – Dec 8, 2025· FA822725F0016
  5. ENGINEERING SERVICES FOR TURNKEY DEPOT INDUSTRIAL PLANT EQUIPMENT (DIPE) SYSTEMS, AND SUBSYSTEMS SOLUTIONS.$4.3M
    Department of the Air Force· Davis County, UT· Professional services· Sep 19, 2025 – Nov 6, 2025· FA822725F0040
  6. CFT TASK ORDER 3 MATERIAL HARVESTING$2.5M
    Department of the Navy· Churchill County, NV· Equipment maintenance· Aug 27, 2025 – Feb 20, 2026· N0042125F0848
  7. PROCUREMENT AND SUPPLY SUPPORT$2.2M
    Department of the Navy· Churchill County, NV· Equipment maintenance· Aug 4, 2025 – Jun 3, 2026· N0042125F0699
  8. CFT F-16 AND F-5 AIRCRAFT SUPPORT$1.1M
    Department of the Navy· Churchill County, NV· Equipment maintenance· Sep 4, 2025 – Jun 4, 2026· N0042125F0192

Subawards

Matched by Unique Entity ID: the first-tier subawards this organization reported as a prime recipient, and those primes reported paying it.

As a prime: who it pays · FY2026

No subawards reported as a prime in FY2026.

As a sub-recipient: who pays it · FY2026

  • Sub-contracts: $14.2M (1 subaward)

1 prime

  1. PERSPECTA ENTERPRISE SOLUTIONS LLC$14.2M100%
    CHANTILLY, VA · 1 subaward

By fiscal year

  • FY2021: $0 paid out · $555.7K received
  • FY2022: $1.2M paid out · $0 received
  • FY2023: $0 paid out · $307.6K received
  • FY2024: $2.7M paid out · $10K received
  • FY2025: $13M paid out · $40K received
  • FY2026: $0 paid out · $14.2M received

Primes report first-tier subawards of $30,000 or more themselves, and many go unreported (GAO-24-106214). Reporting moved from FSRS to SAM.gov in March 2025 and fewer sub-contracts have been reported since. Amounts are what primes reported; they are never added to prime award totals.

Source: Subawards (first-tier sub-contracts and sub-grants reported under FFATA) (U.S. Department of the Treasury, USAspending.gov (reports filed in SAM.gov, formerly FSRS)), data current to Oct 8, 2026, loaded Oct 8, 2026 · Subawards loaded from FY2021.

Teaming partners

Companies this company reported paying, primes that reported paying it, from FFATA subaward reports.

Companies it pays

13 companies · $16.8M reported

  1. MACHINE TOOL MARKETING INC$5.4M
    BIXBY, OK · 2 subawards · Architectural, engineering, and related services
  2. VIRANIM TECHNICAL SOLUTIONS CORPORATION$3.8M
    EPHRAIM, UT · 3 subawards · Architectural, engineering, and related services
  3. HARTECH GROUP LLC$2.3M
    TARPON SPRINGS, FL · 1 subaward · Architectural, engineering, and related services

Primes that pay it

3 companies · $15.1M reported

  1. PERATON ENTERPRISE SOLUTIONS LLC$14.2M
    CHANTILLY, VA · 1 subaward · Computer systems design and related services
  2. STS SYSTEMS SUPPORT, LLC$863.4K
    SAN ANTONIO, TX · 3 subawards · Other schools and instruction
  3. STS GOVERNMENT SOLUTIONS, LLC$50K
    SAN ANTONIO, TX · 2 subawards · Other support services

Showing the top 3 of each list. Open the profile for potential partners and the full lists.

Primes report first-tier subawards of $30,000 or more themselves, and many go unreported (GAO-24-106214). Reporting moved from FSRS to SAM.gov in March 2025 and fewer sub-contracts have been reported since. Amounts are what primes reported; they are never added to prime award totals.

Source: Subawards (first-tier sub-contracts and sub-grants reported under FFATA) (U.S. Department of the Treasury, USAspending.gov (reports filed in SAM.gov, formerly FSRS)), data current to Oct 8, 2026, loaded Oct 8, 2026 · Subawards loaded from 2021.

Competitors

Companies that win from the same buyers in the same markets: obligations by agency and industry compared over the last three fiscal years.

Compared on 6 markets (agency × industry), FY2024–FY2026.

  1. GLOBAL C2 INTEGRATION TECHNOLOGIES LLC$68.3M+3,414,257% in FY2026
    LAS VEGAS, NV · 67% of this company's obligations are in markets they both serveAir Force · Architectural, engineering, and related services
  2. THE CORPORATION OF MERCER UNIVERSITY$94M−54% in FY2026
    WARNER ROBINS, GA · 2 entities · 68% of this company's obligations are in markets they both serveAir Force · Architectural, engineering, and related services
  3. STS SYSTEMS SUPPORT, LLC$112.5M−31% in FY2026
    SAN ANTONIO, TX · 69% of this company's obligations are in markets they both serveAir Force · Architectural, engineering, and related servicesNavy · Architectural, engineering, and related services

Showing the top 3 of 25 competitors. Open the profile for the full list.

Who sells to the same buyers in the same markets, not who wins against whom on a given contract. Prime contract obligations by the agency and NAICS code of each award; subawards are never added. A company is a family of legal entities, joined by parent UEI or, in part, by an AI reading of names.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 7, 2026, loaded Oct 7, 2026 · FY2024–FY2026.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 7, 2026, loaded Oct 7, 2026.