Contract NSFDACS1219442

Leidos, Inc. · National Science Foundation · September 2, 2021

Cost Plus Award FeeFull & Open CompetitionNAICS 561210

Leidos, Inc. was awarded a federal contract by National Science Foundation on September 2, 2021 for $490.76 million of work in facilities support services. It was awarded under full and open competition. The contract has been modified 17 times since the base award It uses cost-plus contract pricing. The most recent modification was on March 11, 2026. If all options are exercised, the contract could reach $3.14 billion.

Obligated to date
$490.76M
$490,759,194
Current value
$3.14B
Modifications
17
Latest March 11, 2026

Contract details

PIID
NSFDACS1219442
Award type
Definitive Contract
Pricing
Cost Plus Award Fee
Set-aside
No Set Aside Used.
Competition
Full And Open Competition
NAICS
561210 · Facilities Support Services
Product / service
Operation Of Government-Owned Contractor-Operated (Goco) R&D Facilities
First action
September 2, 2021
Latest action
March 11, 2026

Description

SCIENCE OPERATION AND MAINTENANCE SUPPORT FOR THE UNITED STATES ANTARCTIC PROGRAM. MOD 177, FY26 APP INCREMENTAL FUNDING

Modification timeline

  • March 11, 2026
    Mod P00179 · Supplemental Agreement For Work Within Scope
    $3.08B
  • February 18, 2026
    Mod P00178 · Supplemental Agreement For Work Within Scope
    $3.08B
  • January 13, 2026
    Mod P00177 · Supplemental Agreement For Work Within Scope
    $3.08B
  • September 23, 2025
    Mod P00176 · Supplemental Agreement For Work Within Scope
    SCIENCE OPERATION AND MAINTENANCE SUPPORT FOR THE UNITED STATES ANTARCTIC PROGRAM. MOD 176, FY26 APP
    $3.04B
  • September 19, 2025
    Mod P00175 · Supplemental Agreement For Work Within Scope
    SCIENCE OPERATION AND MAINTENANCE SUPPORT FOR THE UNITED STATES ANTARCTIC PROGRAM. MOD 175, CHANGE REQUESTS, NBP DECOMMISSION.
    $2.87B
  • September 19, 2025
    Mod P00174 · Supplemental Agreement For Work Within Scope
    SCIENCE OPERATION AND MAINTENANCE SUPPORT FOR THE UNITED STATES ANTARCTIC PROGRAM. MOD 171, PWS EDITS, CHANGE REQUEST APPROVAL.
    $2.87B
  • September 2, 2025
    Mod P00173 · Supplemental Agreement For Work Within Scope
    SCIENCE OPERATION AND MAINTENANCE SUPPORT FOR THE UNITED STATES ANTARCTIC PROGRAM. MOD 171, PWS EDITS, CHANGE REQUEST APPROVAL.
    $2.87B
  • August 21, 2025
    Mod P00172 · Supplemental Agreement For Work Within Scope
    SCIENCE OPERATION AND MAINTENANCE SUPPORT FOR THE UNITED STATES ANTARCTIC PROGRAM. MOD 171, PWS EDITS, CHANGE REQUEST APPROVAL.
    $2.85B
  • August 6, 2025
    Mod P00171 · Supplemental Agreement For Work Within Scope
    SCIENCE OPERATION AND MAINTENANCE SUPPORT FOR THE UNITED STATES ANTARCTIC PROGRAM. MOD 171, PWS EDITS, CHANGE REQUEST APPROVAL.
    $2.84B
  • June 26, 2025
    Mod P00170 · Supplemental Agreement For Work Within Scope
    SCIENCE OPERATION AND MAINTENANCE SUPPORT FOR THE UNITED STATES ANTARCTIC PROGRAM. MOD 170: POP EXTENSION, AIR FUNDING.
    $2.84B

Similar contracts

RecipientAgencyDateObligated
Battelle Memorial InstituteNational Science FoundationMarch 26, 2026$249.01M
Unico LlcNational Science FoundationMarch 16, 2026$0
Unico LlcNational Science FoundationFebruary 4, 2026$136.3K
Unico LlcNational Science FoundationDecember 19, 2025$1.76M
Unico LlcNational Science FoundationDecember 16, 2025$13.7K
Chenega Worldwide Support, LlcNational Science FoundationSeptember 17, 2025$1.38M

Top contractors in NAICS 561210

Lifetime obligated dollars across all federal contracts in this NAICS code.

#ContractorContractsObligated
1Triad National Security, Llc1$4.67B
2National Technology & Engineering Solutions Of Sandia, Llc1$3.69B
3Consolidated Nuclear Security, Llc1$2.42B
4Savannah River Nuclear Solutions Llc1$2.13B
5Honeywell Federal Manufacturing & Technologies, Llc1$1.82B
6Pantexas Deterrence, Llc1$1.24B
7Ut-Battelle Llc1$1.13B
8Mission Support & Test Services Llc1$806.43M
9Strategic Storage Partners, Llc.1$338.52M
10Vectrus Systems Llc54$327.44M

Track this on BesaGov

Get a free weekly email when this changes — new awards, new sub-awards, new opportunities. No login required.

✓ You’re on the list. We’ll never spam you.

Helpful guides

Continue learning

See all guides →
More on BesaGov

Keep researching

Track this contract, set alerts on similar opportunities, and build proposal pipelines on BesaGov.
Sign up free

Frequently asked questions

What is contract NSFDACS1219442?

Contract NSFDACS1219442 is a federal contract awarded to Leidos, Inc. by National Science Foundation on September 2, 2021 for $490.76 million of work classified under FACILITIES SUPPORT SERVICES. It has been modified 17 times since the base award.

Who won contract NSFDACS1219442?

Leidos, Inc. won contract NSFDACS1219442 from National Science Foundation.

How much is contract NSFDACS1219442 worth?

Contract NSFDACS1219442 has obligated $490.76 million to date, with a total potential value of $3.14 billion if all options are exercised.