FedQuery

NAICS 541690 · Other Scientific And Technical Consulting Services

83 open opportunities · 5,790 FY2025 awards · $3.30B obligated

Top contractors in this NAICS

Hunting recompetes here?

10+ contracts in this NAICS end within 18 months. The largest are listed below — incumbents and end dates included.

All expiring 541690 contracts →

Open opportunities

All open 541690 opportunities →

Largest contracts ending within 18 months

  • W58RGZ21C0016 ↗$101.3M
    Lockheed Martin Corporation

    ATTACK HELICOPTER (AH-64) APACHE MODERNIZED TARGET ACQUISITION DESIGNATION SIGHT / PILOT NIGHT VISION SENSOR (MTADS/PNVS) PERFORMANCE BASED LOGISTICS (PBL)

    Ends
    Aug 30, 2027
    Started
    Jun 30, 2021
    Agency
    Department Of The Army
    NAICS
    541690
  • FA564125F0011 ↗$76.7M
    Parsons Government Services INC.

    REQUIREMENTS FOR THE EARLY WARNING CAPABILITY (EWC) AND COMMAND AND CONTROL (C2) TASK ORDER (TO) UNDER THE AIR BASE AIR DEFENSE (ABAD) INDEFINITE DELIVERY/INDEFINITE QUANTITY (ID/IQ) CONTRACT.

    Ends
    Mar 30, 2027
    Started
    Mar 31, 2025
    Agency
    Department Of The Air Force
    NAICS
    541690
  • FA564125F0021 ↗$65.9M
    Parsons Government Services INC.

    ABAD TASK ORDER 5

    Ends
    Sep 28, 2026
    Started
    Sep 29, 2025
    Agency
    Department Of The Air Force
    NAICS
    541690
  • 19AQMM22F3663 ↗$60.2M
    Michael Stapleton Associates, Ltd.

    MODIFICATION 18: THE PURPOSE OF MODIFICATION P018 IS TO DEOBLIGATE FUNDS FROM BASE YEAR IN THE AMOUNT OF $30,000.000. DIPLOMATIC SECURITY GLOBAL CANINE SERVICES CENTER WORLDWIDE PROTECTIVE SERVICES BUREAU OF DIPLOMATIC SECURITY US DEPARTMENT OF STAT

    Ends
    Mar 28, 2027
    Started
    Mar 29, 2023
    Agency
    Department Of State
    NAICS
    541690
  • HR001122C0073 ↗$55.8M
    System High Corporation

    PROGRAM SECURITY SERVICES

    Ends
    Mar 19, 2027
    Started
    Mar 20, 2022
    Agency
    Defense Advanced Research Projects Agency
    NAICS
    541690
  • HQ085822C0007 ↗$41.6M
    System High Corporation

    DEI LABOR

    Ends
    Aug 24, 2027
    Started
    Aug 25, 2022
    Agency
    Missile Defense Agency
    NAICS
    541690
  • FA702225F0015 ↗$21.4M
    Kegman INC.

    THIS TASK ORDER IS FOR MANAGEMENT, ENGINEERING AND RESEARCH CONCEPTS GEOPHYSICAL EXPANDED ACQUISITION FOLLOW-ON WHICH PROVIDES NON-PERSONAL ADVISORY AND ASSISTANCE SERVICES FOR THE AIR FORCE TECHNICAL APPLICATIONS CENTER.

    Ends
    Nov 29, 2026
    Started
    Dec 31, 2024
    Agency
    Department Of The Air Force
    NAICS
    541690
  • 89303026CEA000006 ↗$20.6M
    Unwin Co

    THE CONTRACTOR SHALL PROVIDE TECHNICAL AND ADMINISTRATIVE SUPPORT TO THE OFFICE OF ENTERPRISE ASSESSMENT IN SUPPORT OF ITS MISSION TO PROVIDE THE SECRETARY OF ENERGY AND SENIOR DEPARTMENT OF ENERGY MANAGERS WITH AN INDEPENDENT ASSESSMENT OF THE EFFEC

    Ends
    Feb 27, 2027
    Started
    Feb 28, 2026
    Agency
    Department Of Energy
    NAICS
    541690
  • FA702226F0014 ↗$20.1M
    Vertex Aerospace LLC

    THIS IS AN IDIQ CONTRACT WITH A 10 YEAR ORDERING PERIOD TO ACQUIRE NON-PERSONAL SERVICES FOR THE OPERATION, MAINTENANCE, AND SUSTAINMENT OF RADAR(S) LOCATED ON THE UNITED STATES NAVAL SHIP(S) IN SUPPORT OF THE AFTAC MISSION.

    Ends
    Oct 30, 2026
    Started
    Oct 31, 2025
    Agency
    Department Of The Air Force
    NAICS
    541690
  • 75FCMC24F0042 ↗$18.7M
    Yale New Haven Health Services Corporation

    MIDS DEVELOPMENT, REEVALUATION AND IMPLEMENTATION OF OUTCOME/EFFICIENCY MEASURES FOR HOSPITAL AND ELIGIBLE CLINICIANS

    Ends
    Jan 22, 2027
    Started
    Mar 23, 2024
    Agency
    Centers For Medicare And Medicaid Services
    NAICS
    541690
Other Scientific And Technical Consulting Services (NAICS 541690) — federal contracts · FedQuery