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Federal contractor profile

MISSION SUPPORT ALLIANCE, LLC

UEI KK28MBCGKCT6 · CAGE 4RUU5

SAM.gov: Expired

SAM.gov registration

Legal name
MISSION SUPPORT ALLIANCE, LLC
UEI
KK28MBCGKCT6
CAGE code
4RUU5
Registration status
Expired
Expiration date Sep 25, 2026 — expiration date has passed
Physical location
Not listed
Registered state: WA
Certifications / set-aside eligibility
None listed in SAM.gov
SDVOSB, WOSB, 8(a), HUBZone as listed in the SAM.gov registration

NAICS codes in the registration

  • 541330Engineering Services
  • 561210Facilities Support Services

Federal contract awards

Federal award obligations, all years on record
$3.6B

1 award from 1 agency; most recent award starting Apr 28, 2009.

New awards started, FY2024–FY2026
$0
0 awards that began in those fiscal years. Spending on contracts that started earlier isn't included.
FY2024$00 awards
FY2025$00 awards
FY2026$00 awards
Top agencies for new awards, FY2024–FY2026

No awards starting in FY2024–FY2026.

Active contracts
0
awards with a period of performance ending after today

Obligations are the total obligated amount on each prime award, attributed to the fiscal year the award started (USAspending.gov).

Federal contracting history, FY2015–FY2024

Prime contract obligations made in each fiscal year, across all of this registration's awards.

  1. FY2015$283.9M1 award · mostly Department of Energy
  2. FY2016$274.1M1 award · mostly Department of Energy
  3. FY2017$302.5M1 award · mostly Department of Energy
  4. FY2018$333.8M1 award · mostly Department of Energy
  5. FY2019$362.9M1 award · mostly Department of Energy
  6. FY2020$374.2M1 award · mostly Department of Energy
  7. FY2021$79.5M1 award · mostly Department of Energy
  8. FY2022-$2.2M1 award · mostly Department of Energy
  9. FY2023-$111K1 award · mostly Department of Energy
  10. FY2024-$2.4M1 award · mostly Department of Energy

From USAspending.gov prime award transactions, by the fiscal year of each obligation, net of deobligations (a multi-year contract appears in every year it was funded). Later years are in the section above.

Exclusion screening

No active exclusions linked to this UEI on SAM.gov or OIG LEIE as of Oct 11, 2026

Only exclusion records linked to this registration by identifier (UEI, or NPI for health-care organizations) are shown. Records that merely share a similar name are not. Confirm current status on SAM.gov before relying on it.

Corporate family

MISSION SUPPORT ALLIANCE, LLC is one of 33 registrations under LEIDOS HOLDINGS, INC. (USAspending.gov parent). Other registrations:

Similar contractors in NAICS 561210

Active registrations under Facilities Support Services with a similar federal award history.

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Sources: SAM.gov Entity Registration (as of Oct 19, 2026) · USAspending.gov (as of Oct 26, 2026) · SAM.gov Exclusions and OIG LEIE (as of Oct 11, 2026). Page compiled Oct 26, 2026 from public federal records. GovFabric is not affiliated with SAM.gov or any federal agency.