Federal contractor · HERNDON, VA

SUSTAINABLE SYSTEM SOLUTIONS LLC

SUSTAINABLE SYSTEM SOLUTIONS LLC received $2.9M in federal contract obligations in FY2026, on 10 awards (−86% vs FY2025). Since FY2020: $284.4M. Its largest customer was Department of the Army ($3.1M).

Obligations · FY2026
$2.9M
New awards
10
Sole-source
0.0%
Single offer
0.0%
UEI
E4YZVQT758J4
Small business
Open in the contracts explorerRelationship graph

Spending by fiscal year

Obligations per federal fiscal year (October–September).

  1. 22.6MFY2020
  2. 84.8MFY2021
  3. 63.5MFY2022
  4. 61.6MFY2023
  5. 28MFY2024
  6. 21MFY2025
  7. 2.9MFY2026

Top buying agencies

Obligations in FY2026.

  1. Department of the Army$3.1M100%
    4 awards
  2. Defense Contract Management Agency-$234.5K0.0%
    6 awards

What was bought · Where the work was performed

Obligations in FY2026.

What was bought

  1. Equipment maintenance$1.7M58%
  2. Research & development$1.2M41%
  3. Professional services$22K0.7%

Where the work was performed

  1. Orange County, FL$1.7M61%
  2. Fairfax County, VA$1.1M39%
  3. El Paso County, CO$22K0.8%

Integrity signals

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

  • Low competition0.0%
    US 39% · $0
  • Sole-source awards0.0%
    US 30% · $0
  • Single-offer competitions0.0%
    US 8.7% · $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.

Largest awards

  1. TELEMETRY SYSTEMS MODERNIZATION PARTS PROCUREMENT.$20.1M
    Defense Contract Management Agency· Fairfax County, VA· Other equipment & supplies· Aug 10, 2021 – Apr 6, 2026· W900KK21F0155
  2. AUTONOMOUS SYSTEMS TEST CAPABILITY (ASTC) SAFETY ENVIRONMENT, ENGAGEMENT AND RESPONSE (SEER)DELIVERY ORDER OFF SINGLE AWARD INDEFINITE DELIVERY INDEFINITE QUANTITY CONTRACT.$16.7M
    Department of the Army· Fairfax County, VA· Other equipment & supplies· Oct 20, 2020 – Mar 3, 2026· W900KK21F0004
  3. NEW DELIVERY ORDER AWARD UNDER THE MODERNIZING INSTRUMENTATION SOLUTIONS FOR TEST AND EVALUATION (MISTE) BASE INDEFINITE DELIVERY INDEFINITE QUALITY (IDIQ) TO UPDATE ARMY TEST CENTER TESTING CHAMBERS. TOTAL PERIOD OF PERFORMANCE IS THIRTY-SIX MONTHS.$13.5M
    Department of the Army· Orange County, FL· Equipment maintenance· Sep 20, 2023 – Apr 29, 2026· W900KK23F0133
  4. RAPID TEST SYSTEMS DIRECTED ENERGY (RATS DE)ORDER AWARD OFF OF MODERNIZING INSTRUMENTATION SOLUTIONS FOR TEST AND EVALUATION (MISTE) SINGLE AWARD INDEFINITE DELIVERY INDEFINITE QUANTITY CONTRACT.$11.5M
    Defense Contract Management Agency· Fairfax County, VA· Other equipment & supplies· Sep 28, 2020 – Apr 6, 2026· W900KK20F0167
  5. HIGH ENERGY LASER RATTLER PROCUREMENT UNDER THE MODERNIZING INSTRUMENTATION SOLUTIONS FOR TEST AND EVALUATION PROGRAM FOR A TOTAL PERIOD OF PERFORMANCE OF 42 MONTHS AND TOTAL CEILING OF $17,780,630.25.$10.2M
    Defense Contract Management Agency· Fairfax County, VA· Other equipment & supplies· Jan 28, 2022 – Apr 9, 2026· W900KK22F0001
  6. NEW DO UNDER MISTE IDIQ FOR APPLIED ENVIRONMENTS MODERNIZATION (AEM) - FY25 ELECTRODYNAMICS VIBRATION TEST SYSTEMS (EVTS) II U.S. ARMY YUMA TEST CENTER (YTC) APPLIED ENVIRONMENTS MODERNIZATION (AEM) FOR ARMY TEST RANGES$3.5M
    Department of the Army· Fairfax County, VA· Research & development· Jul 25, 2025 – Mar 3, 2026· W900KK25FA099
  7. TEST INSTRUMENTATION SOLUTIONS ENTERPRISE ORDER UNDER THE ARMY MODERNIZING INSTRUMENTATION SOLUTIONS FOR TEST AND EVALUATION (MISTE)$3.1M
    Defense Contract Management Agency· Fairfax County, VA· Other equipment & supplies· Feb 4, 2020 – Mar 19, 2026· W900KK20F0042
  8. ATEC FIBER MODERNIZATION (AFM)$2.6M
    Defense Contract Management Agency· Fairfax County, VA· Other equipment & supplies· Jun 1, 2021 – Apr 6, 2026· W900KK21F0134

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

No subawards reported to it in FY2026.

By fiscal year

  • FY2021: $67.1M paid out · $0 received
  • FY2022: $7.6M paid out · $0 received
  • FY2023: $58.6M paid out · $0 received
  • FY2024: $1.4M paid out · $0 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 10, 2026, loaded Oct 10, 2026 · Subawards loaded from FY2021.

Teaming partners

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

Companies it pays

6 companies · $134.7M reported

  1. TMC DESIGN CORP$78.7M
    COLORADO SPRINGS, CO · 22 subawards · Navigational, measuring, electromedical, and control instruments manufacturing
  2. EWA WARRIOR SERVICES LLC$33.7M
    HUNTSVILLE, AL · 9 subawards · Navigational, measuring, electromedical, and control instruments manufacturing
  3. GAN CORPORATION$13.3M
    HUNTSVILLE, AL · 3 subawards · Navigational, measuring, electromedical, and control instruments manufacturing

Primes that pay it

No prime reported paying it.

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 10, 2026, loaded Oct 10, 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 2 markets (agency × industry), FY2024–FY2026.

  1. LUDLUM MEASUREMENTS, INC.$48.5M−100% in FY2026
    DRAPER, UT · 4 entities · 91% of this company's obligations are in markets they both serveArmy · Navigational, measuring, electromedical, and control instruments manufacturing
  2. D-2 INCORPORATED$56.5M−17% in FY2026
    BOURNE, MA · 84% of this company's obligations are in markets they both serveArmy · Navigational, measuring, electromedical, and control instruments manufacturing
  3. SRCTEC, LLC$70.3M−17% in FY2026
    SYRACUSE, NY · 81% of this company's obligations are in markets they both serveArmy · Navigational, measuring, electromedical, and control instruments manufacturing

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 10, 2026, loaded Oct 10, 2026 · FY2024–FY2026.

Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 10, 2026, loaded Oct 10, 2026.