What is the UEI for JEFFERSON SCIENCE ASSOCIATES, LLC?

JEFFERSON SCIENCE ASSOCIATES, LLC is shown here under UEI MTWLVRJR54N7. UEI is the Unique Entity ID used in SAM.gov and USASpending federal records.

What facts does this record show?

The page states exact dated federal-record facts for this UEI — SAM.gov exclusion records (type, agency, active window), SAM registration detail when ingested, and USASpending.gov prime-award history — each with its source and pull date.

How are exclusion records matched to this entity?

Exclusion records appear only when the SAM.gov extract carries a row whose UEI exactly matches this page's UEI. Name-only rows are never surfaced as this entity's record.

Does this page decide whether an entity can receive federal awards?

No. The page reports public dated facts and assigns no score, label, or award-decision conclusion.

Where should current status be confirmed?

Use SAM.gov for the current record for UEI MTWLVRJR54N7. Fonteum shows dated public-record facts from the loaded extracts.

Federal contractor record

JEFFERSON SCIENCE ASSOCIATES, LLC

UEI MTWLVRJR54N7. Exact federal-record facts — registration, SAM.gov exclusion records, and USASpending.gov prime awards — stated as dated facts with their source, never a score or label. Confirm current status at SAM.gov →

JEFFERSON SCIENCE ASSOCIATES, LLC (UEI MTWLVRJR54N7) — federal exclusion coverage indeterminate — no clearance was issued; $3,122,932,917 in federal prime awards on record across 1 action. Award actions in FY2006 across 1 awarding agency; Department of Energy accounts for 100% of obligated dollars; 0% of obligated dollars ran through a set-aside vehicle. Every value is an exact federal-record fact as of 2026-08-05; confirm current status at SAM.gov.

Federal exclusion records

Coverage indeterminate — this is not a clearance. Fonteum cannot reconcile the SAM exclusion serving table to a comparable latest attested source artifact. Confirm the current record at SAM.gov.

Exclusion records on file

Active window as of 2026-08-05

No published activation date

No records are shown from the serving table, but SAM exclusion coverage is indeterminate. This is not a clearance.

Source: SAM.gov exclusion extract. Confirm current status at SAM.gov →

Federal prime award history

Prime award actions on record

$3,122,932,917

Total obligated

2006-04-14

Most recent action date

Signed	Awarding agency	Sub-agency	Obligated	Award type	Set-aside
2006-04-14	Department of Energy	Department of Energy	$3,122,932,917	DEFINITIVE CONTRACT	NO SET ASIDE USED.

Source: USASpending.gov award record, pulled 2026-06-11.

Federal award profile

Computed across all 1 prime-award actions on file — exact sums and ratios over USASpending.gov obligations, never a score or an eligibility determination.

FY2006–FY2006

Award actions span

Distinct awarding agencies

Distinct NAICS codes

Obligations via set-aside vehicles

Source: USASpending.gov award record, pulled 2026-06-11.

Top awarding agencies

Awarding agency	Award actions	Obligated	Share of obligated $
Department of Energy	1	$3,122,932,917	100%

Source: USASpending.gov award record, pulled 2026-06-11.

What this entity is awarded for (NAICS mix)

NAICS code	Award actions	Obligated	Share of obligated $
541710 — Research and Development in the Physical, Engineering, and Life Sciences	1	$3,122,932,917	100%

Set-aside reliance: 0 of 1 award actions (0% of obligated dollars) ran through a small-business or socioeconomic set-aside vehicle.

Source: USASpending.gov award record, pulled 2026-06-11.

Federal obligations by fiscal year

Federal fiscal year	Award actions	Obligated
FY2006	1	$3,122,932,917

Federal fiscal years run October 1 – September 30. Showing the most recent 1 of 1 year with award actions on file.

Source: USASpending.gov award record, pulled 2026-06-11.

Largest awards on record

Award ID (PIID)	Awarding agency	Signed	Obligated	Award type
DEAC0506OR23177	Department of Energy	2006-04-14	$3,122,932,917	DEFINITIVE CONTRACT

Prime-award actions only — sub-award (subcontract) records are not ingested, so no prime-vs-sub split is asserted. Confirm the full award history at USASpending.gov →

Source: USASpending.gov award record, pulled 2026-06-11.

Bulk award-transaction archive (USAspending)

Aggregates from the USAspending bulk transaction archive for this UEI — the contracts versus assistance (grants/loans) split the prime-award tables above do not carry. Exact public-record sums only, no score or award-decision conclusion.

Archive transactions on file

$114,126,997

Total obligated (archive)

2026-05-26

Most recent action date

Award category	Transactions	Obligated
Contracts	13	$114,126,997

Source: USASpending.gov award record, pulled 2026-05-26.

How to read this record

Screening aid — not a certification, rating, or accusation. Returned source records and deterministic summaries reflect the federal data Fonteum currently holds; source and date metadata may be null, and requested-date replay is limited to retained USASpending award versions. Confirm current status at SAM.gov before acting. A negative exclusion determination is returned only when SAM serving coverage reconciles to a comparable attested source artifact; otherwise coverage is indeterminate and is not a clearance. Public-tier federal data only — no FOUO, Sensitive, or CPARS fields.

entity not yet ingested — registration unavailable; award/exclusion/FAPIIS records are reported by confirmed key, not hidden (partial coverage, buildplan §3).
1 record(s) carry the pre-2022 D&B carve-out — their D&B-sourced fields are withheld from public display (buildplan §8.2).

Other federal contractor records

Entity	Award actions	Total obligated
LEIDOS, INC.	1	$3,088,721,030
OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED	1	$3,061,819,994
SPACE EXPLORATION TECHNOLOGIES CORP.	1	$3,044,069,155
CALIFORNIA INSTITUTE OF TECHNOLOGY	1	$2,967,618,609
MAXIMUS FEDERAL SERVICES, INC.	1	$2,779,736,793

Browse the full set in the federal contractor records directory.

Reviewed by the Fonteum Government Contracts Desk. Federal procurement records analysts. This study reports exact regulatory facts — an award's signed date and an exclusion's active window, each sourced to SAM.gov and USASpending.gov. It makes no determination of wrongdoing and assigns no score.

← Government Procurement Evidence The Leakage Report — contracts awarded during active exclusion periods Screen this entity via the API (JSON, point-in-time)

Sources: SAM.gov exclusions and USASpending.gov prime awards (pulled 2026-06-11)— US Government Works, public tier only. This page reports public dated facts and assigns no score or label. Confirm an entity's current status at sam.gov. Canonical record: https://fonteum.com/gov/entity/MTWLVRJR54N7.