Federal contractor · ALBUQUERQUE, NM

RSI NUCLEAR, LLC

RSI NUCLEAR, LLC received $33.7M in federal contract obligations in FY2026, on 26 awards (+87% vs FY2025). Since FY2017: $138.3M. Its largest customer was Department of Energy ($33.7M).

Obligations · FY2026
$33.7M
New awards
26
Sole-source
0.0%
Single offer
12%
UEI
NB31NPVJHRZ5
Parent company
SIGMA SCIENCE, INC
Small businessMinority-owned8(a) program
Open in the contracts explorerRelationship graph

Spending by fiscal year

Obligations per federal fiscal year (October–September).

  1. 3MFY2017
  2. 2.6MFY2018
  3. 5.4MFY2019
  4. 5.3MFY2020
  5. 12.3MFY2021
  6. 15.5MFY2022
  7. 20.2MFY2023
  8. 22.2MFY2024
  9. 18MFY2025
  10. 33.7MFY2026

Top buying agencies

Obligations in FY2026.

  1. Department of Energy$33.7M100%
    26 awards

What was bought · Where the work was performed

Obligations in FY2026.

What was bought

  1. Professional services$33.7M100%

Where the work was performed

  1. Aiken County, SC$16.6M49%
  2. Anderson County, TN$13.8M41%
  3. District of Columbia, DC$2M5.8%
  4. Bernalillo County, NM$1.3M3.8%

Integrity signals

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

  • Low competition12%
    US 39% · $4M
  • Sole-source awards0.0%
    US 30% · $0
  • Single-offer competitions12%
    US 8.8% · $4M
  • 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. TECHNICAL SUPPORT SERVICES$47M
    Department of Energy· Aiken County, SC· Professional services· Apr 30, 2021 – Jun 16, 2026· 89233121FNA400368
  2. Y-12 ACQUISITION AND PROJECT MANAGEMENT OFFICE (APMO) TECHNICAL & ADMINISTRATIVE SUPPORT SERVICES - NA-APM-1.3$32.9M
    Department of Energy· Anderson County, TN· Professional services· Jul 8, 2022 – Sep 21, 2026· 89233122FNA400452
  3. SAVANNAH RIVER SITE TECHNICAL SUPPORT SERVICES$10.4M
    Department of Energy· Aiken County, SC· Professional services· Jul 29, 2026 – Sep 2, 2026· 89233126FNA400770
  4. OFFICE OF DEFENSE NUCLEAR NONPROLIFERATION RESEARCH AND DEVELOPMENT (NA-22) TECHNICAL AND ANALYTICAL SUPPORT SERVICES$9.6M
    Department of Energy· District of Columbia, DC· Professional services· Mar 25, 2022 – Jul 21, 2026· 89233122FNA400430
  5. BUSINESS SUPPORT SERVICES TO NA-MB-1.3,CORRESPONDENCE CONTROL CENTER (CCC)$3.6M
    Department of Energy· District of Columbia, DC· Professional services· Jul 31, 2019 – Feb 19, 2026· 89233119FNA400205
  6. ADMINISTRATIVE SUPPORT SERVICES FOR THE OFFICE OF DEFENSE PROGRAMS (NA-10).$2.4M
    Department of Energy· District of Columbia, DC· Professional services· Apr 1, 2019 – Dec 17, 2025· 89233119FNA400172
  7. TASK ORDER 07 NUCLEAR SAFETY SPECIALIST$1.1M
    Department of Energy· Bernalillo County, NM· Professional services· Jan 27, 2023 – May 27, 2026· 89243223FNE400095
  8. BUSINESS SUPPORT SERVICES TO NA-MB-1.3$730K
    Department of Energy· District of Columbia, DC· Professional services· Feb 7, 2024 – Mar 3, 2026· 89233124FNA400585

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: $0 paid out · $24.4M received
  • FY2022: $0 paid out · $2.7M received
  • FY2023: $0 paid out · $1.2M received
  • FY2024: $0 paid out · $1.1M received
  • FY2025: $0 paid out · $1.4M 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

No subawards reported to other companies.

Primes that pay it

8 companies · $30.9M reported

  1. NORTHROP GRUMMAN SYSTEMS CORPORATION$10.4M
    MELBOURNE, FL · 2 subawards · Aerospace product and parts manufacturing
  2. TRIAD NATIONAL SECURITY, LLC$10M
    COLUMBUS, OH · 1 subaward · Facilities support services
  3. CONSOLIDATED NUCLEAR SECURITY, LLC$5.2M
    FREDERICK, MD · 10 subawards · Facilities 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 1 market (agency × industry), FY2024–FY2026.

  1. ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION$61.2M−1.6% in FY2026
    BRIDGEPORT, WV · 80% of this company's obligations are in markets they both serveEnergy · Architectural, engineering, and related services
  2. KBC ENERGY SOLUTIONS LLC$124.5M+49% in FY2026
    BOSTON, MA · 100% of this company's obligations are in markets they both serveEnergy · Architectural, engineering, and related services
  3. TECHSOURCE, LLC$151M+15% in FY2026
    LOS ALAMOS, NM · 100% of this company's obligations are in markets they both serveEnergy · 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.