Vendor, Albuquerque, NM, part of Sigma Science, Inc.
Rsi Nuclear, LLC
UEI NB31NPVJHRZ5, CAGE 4F4W2
50 awards and $69,839,995 obligated between January 10, 2024 and September 30, 2026, 54% under full and open competition, against 51.7 offers on average where reported. 2 of the awards trace back to a SAM.gov solicitation on this site.
Sells to
Awarding agencies by dollars.
| Department of Energy | $70,052,528 |
| Federal Acquisition Service | $2,500 |
| Department of the Air Force | -$37,143 |
| Defense Threat Reduction Agency | -$177,891 |
Industries
NAICS on the awards, by dollars.
| Engineering ServicesNAICS 541330 | $70,022,762 |
| Ship Building and RepairingNAICS 336611 | $2,500 |
| Other Scientific and Technical Consulting ServicesNAICS 541690 | -$185,268 |
How it wins
Awards by competition, set-aside and type.
| Full and Open Competition After Exclusion of Sources | 27 |
| Full and Open Competition | 12 |
| Not Available for Competition | 10 |
| Not Competed Under SAP | 1 |
| Small Business Set Aside - Total | 29 |
| 8(A) Sole Source | 3 |
| 8A Competed | 2 |
| Delivery Order | 44 |
| Definitive Contract | 2 |
Hear when Rsi Nuclear, LLC wins an award and when a contract it holds is about to end.Follow it
Contracts ending soon
Contracts Rsi Nuclear, LLC holds whose performance ends in the next 19 months, by published end date. Each one is a recompete to prepare for.
- Ending
- 6
- Obligated so far
- $27,665,120
- Soonest
- December 4, 2026
The 6 contracts, the office behind each one and the dates are in the workspace. See them
Competes with
Vendors selling engineering services to Department of Energy, by dollars.
| Mele Associates Inc.Rockville, MD | $294,635,622 |
| BWXT Enrichment Operations, LLCLynchburg, VA | $266,693,105 |
| Techsource, LLCLos Alamos, NM | $169,882,968 |
| Keylogic, LLCMorgantown, WV | $145,262,305 |
| Technomics Inc.Arlington, VA | $135,606,947 |
| KBC Energy Solutions LLCBoston, MA | $121,333,407 |
Solicitations it won
SAM.gov opportunities whose award USAspending attributes to this vendor.
- Technical Support Services
Department of Energy, NNSA NON-MO Cntrctng Ops Div
SolicitationSmall businessNAICS 541330Aiken, SC89233125QNA000422Awarded to Sigma Science Inc.
Posted Nov 17, 20252 publications
Awards
Every award in the window, by dollars obligated.
| Contract | Awarding office | Described as | Obligated |
|---|---|---|---|
| 89233121FNA400368Delivery Order, January 18, 2024, Full and Open Competition, 4 offers | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Technical Support ServicesNAICS 541330, PSC R499 | $25,534,810 |
| 89233122FNA400452Delivery Order, January 10, 2024, Full and Open Competition, 4 offers | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Y-12 Acquisition and Project Management Office (Apmo) Technical & Administrative Support Services - Na-Apm-1.3NAICS 541330, PSC R408 | $21,000,684 |
| 89233126FNA400770Delivery Order, July 29, 2026, Full and Open Competition, 5 offersSolicitation | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Savannah River Site Technical Support ServicesNAICS 541330, PSC R499 | $10,411,386 |
| 89233122FNA400430Delivery Order, March 14, 2024, Full and Open Competition, 1 offers | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Office of Defense Nuclear Nonproliferation Research and Development (NA-22) Technical and Analytical Support ServicesNAICS 541330, PSC R425 | $5,509,234 |
| 89233124FNA400624Delivery Order, June 11, 2024, Full and Open Competition, 1 offers | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Technical Support Services for Nuclear Stockpile Sustainment Management and Support Systems for the Office of Nuclear Weapons Stockpile SustNAICS 541330, PSC R699 | $2,618,068 |
| 89233124FNA400585Delivery Order, February 7, 2024, Full and Open Competition, 1 offers | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Business Support Services to Na-Mb-1.3NAICS 541330, PSC R699 | $730,002 |
| 89243224FEM400020Delivery Order, September 26, 2024, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | Nuclear Industry Advisory and Assistance Services (A&as) Support Under GSA Contract 47qraa18d005q - Task Order 18 Environmental Support SubjNAICS 541330, PSC R425 | $634,148 |
| 89243226FNE400211Delivery Order, March 4, 2026, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | Task Order 27 - Industry Advisory Panel Peer ReviewsNAICS 541330, PSC R425 | $599,937 |
| 89243224FNE400148Delivery Order, September 26, 2024, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | Nuclear Industry Advisory and Assistance Services(A&as)support Under GSA Contract 47qraa18d005q -- Task Order 17 - Nuclear Safety SpecialistNAICS 541330, PSC R425 | $552,500 |
| 89243223FNE400095Delivery Order, January 25, 2024, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | The Purpose of This Modification Is To: 1. Exercising Clin00001 Time and Materials for Nuclear Safety Specialist Period of Performance 01/27NAICS 541330, PSC R425 | $535,178 |
| 89243226FNE400219Delivery Order, January 21, 2026, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | Task Order 30: Pele Nuclear Safety SpecialistNAICS 541330, PSC R425 | $479,769 |
| 89233121FNA400336Delivery Order, January 16, 2024, Full and Open Competition, 1 offers | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Technical Support Services for Nuclear Stockpile Sustainment Management and Support Systems for the Office of Nuclear Weapons Stockpile SustNAICS 541330, PSC R699 | $426,171 |
| 89243223FNE400099Delivery Order, April 25, 2024, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | Exercise Option Period and Add Incremental FundingNAICS 541330, PSC R425 | $276,132 |
| 89243226FNE400225Delivery Order, March 5, 2026, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | New Award of Task Order 26: Spent Nuclear Fuel (Snf) Shipping Rate Feasibility StudyNAICS 541330, PSC R425 | $224,610 |
| 89243224FEM400021Delivery Order, September 26, 2024, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | Nuclear Industry Advisory and Assistance Services(A&as)support Under GSA Contract 47qraa18d005q - Task Order 16 - Air Compliance Subject MatNAICS 541330, PSC R425 | $210,604 |
| 89243224FNE400142Delivery Order, June 21, 2024, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | Support Is Requested for Support the Development of a Tribal Collaboration Initiative (Tci), Led by Tribes and for Tribes, to Enable FederalNAICS 541330, PSC R425 | $194,443 |
| 89243224FNE400114Delivery Order, February 26, 2024, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | Use of Existing Industry Numerical Models to Predict the Fuel Rod Performance During Representative EarthquakesNAICS 541330, PSC R425 | $193,054 |
| 89243226FNE400215Delivery Order, December 16, 2025, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | New Award of Task Order 25: Lessons Learned from Managing Post Closure Criticality Issues in a License Application for a Nuclear Snf/Hlw RepNAICS 541330, PSC R425 | $148,390 |
| 89243226FNE400221Delivery Order, February 18, 2026, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | Task Order 32: NRC Licensing and Support for the Consolidated Storage Facility (Csf) Integrated Project Team (Ipt)NAICS 541330, PSC R425 | $136,000 |
| 89243226FNE400224Delivery Order, February 18, 2026, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | Task Order 31: Reuse/Purchase of Casks and Support for the Consolidated Storage Facility (Csf) Integrated Project Team (Ipt)NAICS 541330, PSC R425 | $136,000 |
| 89243226FNE400232Delivery Order, May 27, 2026, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | Rsi Task Order 33 - SNF Canister Inspection Protocol and CSF Ipt (Peterson) CS - Alden Allen This Task Order Provides Technical Services to NAICS 541330, PSC R425 | $136,000 |
| 89243223FEM400013Delivery Order, January 30, 2024, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | Task Order 06 Environmental Compliance SupportNAICS 541330, PSC R425 | $101,960 |
| 89243226FNE400218Delivery Order, February 2, 2026, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | Task Order 29: Quality Assurance Program and Support for the Consolidated Storage Facility (Csf) Integrated Project Team (Ipt)NAICS 541330, PSC R425 | $100,000 |
| 89243226FNE400217Delivery Order, December 29, 2025, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | New Award for Task Order 28: Visual Inspection Feasibility and Utility StudyNAICS 541330, PSC R425 | $66,033 |
| 89233123FNA400532Delivery Order, April 9, 2024, Full and Open Competition, 1 offers | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Business Support Services to Na-Mb-1.3NAICS 541330, PSC R699 | $28,978 |
| 89243224FNE400141Delivery Order, June 11, 2024, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | Nuclear Industry Advisory and Assistance Services(A&as)support Under GSA Contract 47qraa18d005q - NE-8 Review Panel as Part of NE-8 KnowledgNAICS 541330, PSC R425 | $28,949 |
| 89243224FNE400140Delivery Order, May 28, 2024, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | Task Order 12 - Interim Storage AdvisorNAICS 541330, PSC R425 | $26,570 |
| 89243225FNE400154Delivery Order, October 30, 2024, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | Nuclear Industry Advisory and Assistance Services(A&as)support Under GSA Contract 47qraa18d005q - Task Order 19 Repository Licensing SpecialNAICS 541330, PSC R425 | $26,450 |
| 89243225FNE400184Delivery Order, May 14, 2025, Full and Open Competition After Exclusion of Sources, 1 offers | Idaho Operations OfficeDepartment of Energy | Review of Site Characterizations Lessons Learned from the Yucca ProjectNAICS 541330, PSC R425 | $23,940 |
| 47QRCA25DS950December 19, 2024, Full and Open Competition After Exclusion of Sources, 999 offers | Gsa/Fas/Pshc/Oasis PlusFederal Acquisition Service | One Acquisition Solution for Integrated Services Plus (Oasis+) Small Business Multiple Agency Contract (Mac)NAICS 336611, PSC R499 | $2,500 |
| 89233118FNA400089Delivery Order, September 19, 2024, Not Available for Competition | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Bilateral Modification to De-Obligate the Un-Costed Balance of $3,643.94 to Facilitate Final Contract Close-Out on the Technical Support SerNAICS 541690, PSC R425 | $0 |
| 89233119FNA400172Delivery Order, December 17, 2025, Full and Open Competition, 3 offers | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Administrative Support Services for the Office of Defense Programs (NA-10).NAICS 541330, PSC R699 | $0 |
| 89233119FNA400188Delivery Order, June 25, 2024, Not Available for Competition | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | The Purpose of This Modification #P00003 Is for Closeout Action.NAICS 541330, PSC R425 | $0 |
| 89233119FNA400189Delivery Order, June 25, 2024, Not Available for Competition | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Task Order for the Chemistry and Metallurgy Research Facility Replacement Project (Cmrr).NAICS 541330, PSC R425 | $0 |
| 89233119FNA400195Delivery Order, July 23, 2024, Not Available for Competition | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | National Environmental Policy Act (Nepa) Technical Support Services Task Order Supporting Na-La, Los Alamos, New Mexico.NAICS 541690, PSC R425 | $0 |
| 89233119FNA400196Delivery Order, June 21, 2024, Not Available for Competition | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | The Purpose of This Modification P00007 Is for Closeout of This Task Order Only. Safety Professional Services Environmental, Safety and HealNAICS 541690, PSC R425 | $0 |
| 89233121FNA400367Delivery Order, July 23, 2024, Not Available for Competition | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Program Analysis, Administrative and Business Management, and Project Execution Services Task Order for the CMRR Facility at the Los Alamos NAICS 541690, PSC R425 | $0 |
| 47QRAA18D005QJanuary 31, 2024, Full and Open Competition, 999 offers | Gsa/Fas/Pshc/Prof SRVCS Sched-PssFederal Acquisition Service | Federal Supply Schedule ContractNAICS 541330, PSC R499 | $0 |
| 89233118DNA000008July 28, 2026, Not Available for Competition, 1 offers | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Environmental, Safety and Health (Es&h) Assistance to the CMRR Project Management Office (Pmo) at Los Alamos National Laboratory Master IdiqNAICS 541690, PSC R425 | $0 |
| 89243222DNE000002February 26, 2024, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | Change Clin 002 from IDIQ to Time and MaterialsNAICS 541330, PSC R425 | $0 |
| 89243223FNE400093Delivery Order, March 1, 2024, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | The Purpose of This Modification Is To: 1. De-Obligate Unused Funds in the Amount of ($2,854.47) for Closeout, Decreasing the Total ObligateNAICS 541330, PSC R425 | -$2,854 |
| 89233119FNA400205Delivery Order, February 19, 2026, Full and Open Competition, 4 offers | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Business Support Services to Na-Mb-1.3,correspondence Control Center (Ccc)NAICS 541330, PSC R699 | -$4,454 |
| 89233121FNA400378Delivery Order, June 4, 2025, Not Available for Competition | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Nuclear Safety Subject Matter Expert (Sme) Technical Support Task Order for the CMRR Facility at the Los Alamos National Laboratory (Lanl) aNAICS 541690, PSC R425 | -$7,377 |
| 89243222FNE400089Delivery Order, January 31, 2024, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | The Purpose of This Modification Is To: 1. Exercise Option to Extend Services (52.217-8) 6 Month Extension. Period of Performance 2/01/24 - NAICS 541330, PSC R425 | -$10,017 |
| 89233119FNA400186Delivery Order, August 7, 2024, Not Available for Competition | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Technical Engineering Subject Matter Expert (Sme) Services Task Order Supporting NA-LA (Apm 1.5).NAICS 541330, PSC R425 | -$13,923 |
| FA945119C0013Definitive Contract, March 5, 2025, Not Competed Under SAP, 1 offers | FA9451 AFRL RDKDepartment of the Air Force | Infrastructure Management Facility Support Services (Imfss)NAICS 541330, PSC R425 | -$37,143 |
| 89243223FNE400092Delivery Order, January 31, 2024, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | The Purpose of This Modification Is To: 1. Exercise Clin 00002 Time and Materials for Fortis Railcar Review Period of Performance 4 Month ExNAICS 541330, PSC R425 | -$40,852 |
| 89233123FNA400509Delivery Order, July 24, 2024, Full and Open Competition, 1 offers | NNSA NON-MO Cntrctng Ops DivDepartment of Energy | Business Support Services to Na-Mb-1.3NAICS 541330, PSC R699 | -$158,992 |
| HDTRA120C0079Definitive Contract, February 1, 2024, Not Available for Competition, 1 offers | Defense Threat Reduction AgencyDefense Threat Reduction Agency | Fire Hazard AnalysisNAICS 541690, PSC R425 | -$177,891 |
| 89243222FNE400084Delivery Order, March 13, 2025, Full and Open Competition After Exclusion of Sources, 11 offers | Idaho Operations OfficeDepartment of Energy | Update Contract Specialist From: Tate Rammell To: Alden AllenNAICS 541330, PSC R425 | -$799,001 |
- Also reported as
- Sigma Science Inc.
- Places of performance
- New MexicoDistrict of ColumbiaSouth CarolinaTennessee
- Product and service codes
- R499 Other Professional ServicesR408 Program Management/Support ServicesR425 Engineering and Technical ServicesR699 Other Administrative Support Services
- Transactions
- 243 across 50 awards