RSI Nuclear, LLC
RSI Nuclear, LLC received $33.7M in federal prime contract obligations in the 12 months ending Oct 5, 2026, up 87.1% from $18.0M the year before, and $109.8M since FY2022. Its largest customer is the Department of Energy.
See 6 contracts ending in the next 18 months ↓Contractor details
- Unique Entity ID (UEI)
- NB31NPVJHRZ5
- CAGE code
- 4F4W2
- Headquarters
- Albuquerque, NM
- Business size
- Small Business
- Socioeconomic status
- 8(a)
- Parent company
- Sigma Science, Inc (UEI CJGWGY1VRGE5)
As recorded on this UEI's most recent prime contract action in USAspending.gov. Confirm current registration and certifications in SAM.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year.
Markets where it ranks top 10
Agency and NAICS markets where this UEI is one of the ten largest primes in the latest 12 months.
Top agencies
Funding agencies ranked by obligations since FY2022.
| Funding agency | Latest 12 mo | Since FY2022 |
|---|---|---|
| Department of Energy | $33.7M | $108.3M |
| Department of Defense | $0 | $1.4M |
Top NAICS codes
Industry codes agencies recorded on this contractor's awards, since FY2022.
What it sells
Product and service codes (PSC) on this contractor's awards, since FY2022.
| PSC | Description | Since FY2022 |
|---|---|---|
| R499 | Support- professional: Other | $50.1M |
| R408 | Support- professional: Program Management/Support | $32.9M |
| R425 | Support- professional: Engineering/Technical | $18.1M |
| R699 | Support- administrative: Other | $8.6M |
Contracts ending in the next 18 months
This contractor's largest awards whose current period of performance ends soon. Options and extensions often move these dates.
| Award | Agency | Obligated | Current end |
|---|---|---|---|
| 89233122FNA400452 | Department of Energy Y-12 ACQUISITION AND PROJECT MANAGEMENT OFFICE (APMO) TECHNICAL & ADMINISTRATIVE SUPPORT SERVICES - NA-APM-1.3 | $32.9M | Nov 13, 2026 |
| 89243226FNE400211 | Department of Energy TASK ORDER 27 - INDUSTRY ADVISORY PANEL PEER REVIEWS | $600K | Mar 3, 2027 |
| 89233122FNA400430 | Department of Energy OFFICE OF DEFENSE NUCLEAR NONPROLIFERATION RESEARCH AND DEVELOPMENT (NA-22) TECHNICAL AND ANALYTICAL SUPPORT SERVICES | $9.6M | Mar 31, 2027 |
| 89233126FNA400770 | Department of Energy SAVANNAH RIVER SITE TECHNICAL SUPPORT SERVICES | $10.4M | Jul 31, 2027 |
| 89243224FNE400148 | Department of Energy NUCLEAR INDUSTRY ADVISORY AND ASSISTANCE SERVICES(A&AS)SUPPORT UNDER GSA CONTRACT 47QRAA18D005Q -- TASK ORDER 17 - NUCLEAR SAFETY SPECIALIST SUPPORTING NE-5 | $553K | Sep 25, 2027 |
| 89243224FEM400020 | Department of Energy NUCLEAR INDUSTRY ADVISORY AND ASSISTANCE SERVICES (A&AS) SUPPORT UNDER GSA CONTRACT 47QRAA18D005Q - TASK ORDER 18 ENVIRONMENTAL SUPPORT SUBJECT MATTER EXPERT | $634K | Sep 30, 2027 |
Recent awards
This contractor's newest prime contract awards, most recent first.
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| 89233126FNA400770 | Department of Energy SAVANNAH RIVER SITE TECHNICAL SUPPORT SERVICES | $10.4M | Jul 29, 2026 |
| 89243226FNE400232 | Department of Energy RSI TASK ORDER 33 - SNF CANISTER INSPECTION PROTOCOL AND CSF IPT (PETERSON) CS - ALDEN ALLEN THIS TASK ORDER PROVIDES TECHNICAL SERVICES TO DEVELOP AND COMMENT ON CD-1 RELATED… | $136K | May 27, 2026 |
| 89243226FNE400225 | Department of Energy NEW AWARD OF TASK ORDER 26: SPENT NUCLEAR FUEL (SNF) SHIPPING RATE FEASIBILITY STUDY | $225K | Mar 5, 2026 |
| 89243226FNE400211 | Department of Energy TASK ORDER 27 - INDUSTRY ADVISORY PANEL PEER REVIEWS | $600K | Mar 4, 2026 |
| 89243226FNE400221 | Department of Energy TASK ORDER 32: NRC LICENSING AND SUPPORT FOR THE CONSOLIDATED STORAGE FACILITY (CSF) INTEGRATED PROJECT TEAM (IPT) | $136K | Feb 18, 2026 |
| 89243226FNE400224 | Department of Energy TASK ORDER 31: REUSE/PURCHASE OF CASKS AND SUPPORT FOR THE CONSOLIDATED STORAGE FACILITY (CSF) INTEGRATED PROJECT TEAM (IPT) | $136K | Feb 18, 2026 |
| 89243226FNE400218 | Department of Energy TASK ORDER 29: QUALITY ASSURANCE PROGRAM AND SUPPORT FOR THE CONSOLIDATED STORAGE FACILITY (CSF) INTEGRATED PROJECT TEAM (IPT) | $100K | Feb 2, 2026 |
| 89243226FNE400219 | Department of Energy TASK ORDER 30: PELE NUCLEAR SAFETY SPECIALIST | $144K | Jan 21, 2026 |
Prime contracts (award types A–D) from USAspending.gov through Oct 5, 2026. Subcontracts are not included. Net obligations include deobligations and corrections.

Ready to connect your pursuit work?
GovEagle gives BD directors, capture managers, and proposal teams one AI workspace from pipeline through proposal, with CMMC/FedRAMP Certified compliance built in.