Contract N6449823F3129

Gibbs & Cox, Inc. · Department Of Defense · September 28, 2023

Cost Plus Fixed FeeFull & Open CompetitionNAICS 541330IDIQ Task Order

Gibbs & Cox, Inc. was awarded a federal contract by Department Of Defense (Department Of The Navy) on September 28, 2023 for $871,000 of work in engineering services. Performance is in Philadelphia, PA. This is a task or delivery order issued under parent IDIQ N6449820D4031. The contract has been modified 9 times since the base award It uses cost-plus contract pricing. The most recent modification was on November 20, 2025. If all options are exercised, the contract could reach $5.38 million.

Obligated to date
$871.0K
$871,042
Current value
$5.38M
Modifications
9
Latest November 20, 2025

Contract details

PIID
N6449823F3129
Parent IDIQ
N6449820D4031
Award type
Delivery Order
Pricing
Cost Plus Fixed Fee
Competition
Full And Open Competition
NAICS
541330 · Engineering Services
Product / service
Support- Professional: Engineering/Technical
Place of performance
Philadelphia, PA
First action
September 28, 2023
Latest action
November 20, 2025

Description

CEILING INCREASE MODIFICATION.

Modification timeline

  • November 20, 2025
    Mod P00021 · Other Administrative Action
    $4.32M
  • September 25, 2025
    Mod P00020 · Funding Only Action
    INCREMENTAL FUNDING
    $3.43M
  • September 12, 2025
    Mod P00019 · Funding Only Action
    POP EXTENSION
    $3.43M
  • June 27, 2025
    Mod P00018 · Funding Only Action
    FUNDING ONLY ACTION
    $3.30M
  • September 13, 2024
    Mod P00010 · Other Administrative Action
    THE CONTRACTOR SHALL PROVIDE LAB ENGINEERING, INSTALLATION, AND ELECTRIC PLANT CONTROL SYSTEM MODELING AND SIMULATION SERVICES FOR NSWCPD DIVISION 44 ELECTRICAL POWER AND PROPULSION SYSTEM TEST SITES
    $2.24M
  • September 11, 2024
    Mod P00009 · Funding Only Action
    KTR PROVIDE LAB ENGINEERING, INSTALLATION, & ELECTRIC PLANT CONTROL SYSTEM MODELING & SIMULATION SERVICES FOR NSWCPD DIVISION 44 ELECTRICAL POWER & PROPULSION SYSTEM TEST SITE LOCATED BUILDINGS 87, 77…
    $2.24M
  • August 22, 2024
    Mod P00008 · Funding Only Action
    LAB ENGINEERING, INSTALLATION, AND ELECTRIC PLANT CONTROL SYSTEM MODELING AND SIMULATION SERVICES FOR NSWCPD DIVISION 44 ELECTRICAL POWER AND PROPULSION SYSTEM TEST SITES.
    $2.24M
  • July 26, 2024
    Mod P00007 · Funding Only Action
    LAB ENGINEERING, INSTALLATION AND ELECTRIC PLANT CONTROL SYSTEM MODELING AND SIMULATION SERVICES FOR NSWCPD DIVISION 44 ELECTRICAL POWER AND PROPULSION SYSTEM TEST SITES LOCATED IN BUILDINGS 87, 77L, …
    $2.06M
  • July 10, 2024
    Mod P00006 · Funding Only Action
    ENGINEERING SERVICES INCLUDE DEVELOPMENT OF LAB TEST PROCEDURES AND SUPPORT OF ONGOING LAB TESTING.
    $2.06M
  • September 28, 2023
    Mod P00001 · Funding Only Action
    FUNDING ACTION
    $763.8K

Top contractors in NAICS 541330

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

#ContractorContractsObligated
1Lockheed Martin Corp4$595.21M
2General Dynamics Mission Systems, Inc.12$451.26M
3Science Applications International Corporation284$393.83M
4The Charles Stark Draper Laboratory, Inc.12$341.29M
5Booz Allen Hamilton Inc135$333.61M
6Vertex Aerospace Llc5$240.61M
7Bae Systems Technology Solutions & Services Inc.87$209.69M
8General Dynamics Information Technology, Inc.42$202.29M
9Electric Boat Corporation9$192.32M
10Beyond New Horizons, Llc1$185.98M

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 N6449823F3129?

Contract N6449823F3129 is a federal contract awarded to Gibbs & Cox, Inc. by Department Of Defense on September 28, 2023 for $871,000 of work classified under ENGINEERING SERVICES. It has been modified 9 times since the base award.

Who won contract N6449823F3129?

Gibbs & Cox, Inc. won contract N6449823F3129 from Department Of Defense.

How much is contract N6449823F3129 worth?

Contract N6449823F3129 has obligated $871,000 to date, with a total potential value of $5.38 million if all options are exercised.