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DefDex

Federal award

RSI NUCLEAR, LLC

89243222FNE400084

Contract

Obligated and Ceiling

Obligated (net)
$500,999.25
Ceiling (potential value, not spending)
$500,999.25
Current value
$500,999.25
Gross positive obligations
$1,300,000.00

Obligated is what the government has committed, net of de-obligations. The ceiling is the most the award or vehicle could ever reach; it is shown separately and never added to, or compared as, spending.

Award Details

Recipient
RSI NUCLEAR, LLC · NB31NPVJHRZ5
Owner company
Not a reviewed companyNo reviewed company owns this recipient.
Reported parent
SIGMA SCIENCE, INC · CJGWGY1VRGE5
Awarding agency
Department of Energy · sub-agency 8900 · office 892432
Funding agency
Department of Energy · sub-agency 8900
Product or service (PSC)
R425 · SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL
Industry (NAICS)
541330 · ENGINEERING SERVICES
PIID
89243222FNE400084
Parent vehicle (IDV PIID)
89243222DNE000002
Award type code
C
Actions
5 · Jun 14, 2022 to Nov 19, 2025
Why it is listed
gross positive obligations of $100k or more (contracts)

Open this award on USAspending →

Action History5

Award actions
DateFYModAction typeObligationCompany in company totals
Nov 19, 2025FY2026P00004M$0.00
—
Nov 18, 2025FY2026P00003K$0.00
—
Nov 17, 2025FY2026P00002M−$799,000.75
—
Mar 13, 2025FY2025P00001M$0.00
—
Jun 14, 2022FY20220—$1,300,000.00
—

Newest first. Every obligation is shown as reported, including zero and negative (de-obligation) actions. Award lists belong to the company of the latest action; company totals credit each action to the company named on that row, so a note marks rows where the two differ.