Award DEAC5206NA25396
Summary: Federal contract award DEAC5206NA25396 was made to LOS ALAMOS NATIONAL SECURITY LLC by Department of Energy (NNSA MO CONTRACTING). Current total value is $36,594,910,358 with a potential total of $36,594,910,358 (action dated Dec 21, 2005).
| PIID | DEAC5206NA25396 |
|---|---|
| Company legal name | LOS ALAMOS NATIONAL SECURITY LLC |
| CAGE code | — |
| UEI | GAZZGS3YV389 |
| Awarding agency | Department of Energy |
| Awarding sub-agency | Department of Energy |
| Awarding office | NNSA MO CONTRACTING |
| Funding agency | Department of Energy |
| Base obligation | $27,422,768,631 |
| Current total value | $36,594,910,358 |
| Potential total value | $36,594,910,358 |
| Action / obligation date | Dec 21, 2005 |
| Period of performance start | Dec 21, 2005 |
| Period of performance end | Oct 31, 2018 |
| NAICS | 561210 · Facilities Support Services |
| PSC | M181 · Oper of Govt R&D Goco Facilities |
| Place of performance | LOS ALAMOS, NM |
| Source system | usaspending |
| Last synced | 2026-06-21 |
Source: USAspending.gov · Last synced Jun 21, 2026. View source record Verify with the official source record before relying on these figures.
About this award record
This page summarizes a single public federal contract award identified by PIID DEAC5206NA25396. The award was made to LOS ALAMOS NATIONAL SECURITY LLC by Department of Energy. Values reflect the obligation and option amounts recorded at the last sync and may not include subsequent modifications.
Always confirm award details with the official source record before relying on them. GovAwardData.com is an independent directory and not the system of record.
How to use this page
This award page summarizes public federal procurement data for award DEAC5206NA25396. Read the fact table above for the key figures, then follow the links to related identifiers and categories to widen your research. The data is a summary — use it to orient, not as the final word.
How to verify this record
Confirm anything that matters at the official source. Open the official source record on USAspending.gov and compare the figures.
What this page does not show
- Subcontract awards issued under this contract.
- Performance ratings, evaluations, or disputes.
- Modifications posted after the last sync date.
- Classified, redacted, or otherwise non-public details.
Data limitations
Figures summarize public records and may lag official updates. Award amounts change as contracts are modified, and some fields (such as CAGE codes) are not always present in the source. Treat values as accurate-as-of the last sync date shown above.
Helpful guides: How to read a USAspending award record, How to check award amounts.
Related lookups
GovAwardData.com republishes and summarizes public federal award data sourced from official public systems. This site is not affiliated with the U.S. government and is not an official source. Data may lag official updates and may contain errors introduced during transformation. Verify any figure that matters with the official source record before relying on it.