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    IDIQ (Indefinite Delivery / Indefinite Quantity) · Navy Professional Services IDIQ

    SeaPort-NxG

    Managed by Naval Sea Systems Command (NAVSEA)

    SeaPort-NxG (Next Generation) is the U.S. Navy's primary multiple-award IDIQ contract for professional services, managed by NAVSEA. It supports engineering, IT, logistics, program management, and technical services across all Navy and Marine Corps activities, SPAWAR (now NAVWAR), NETWARCOM, and other Department of the Navy (DoN) commands. SeaPort-NxG is organized by geographic zones, and task orders are competed among contract holders in the relevant zone.

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    $5B+

    Annual Spend

    Indefinite (multiple IDIQs per zone)

    Ceiling

    5 years base + options

    Contract Term

    Naval Sea Systems Command

    Managed By

    SeaPort-NxG Contract Pools

    Competition pools and socioeconomic set-aside categories within SeaPort-NxG.

    Small Business

    SB

    Small business contract holders competing for task orders issued with small business set-aside requirements.

    SDVOSB

    SDVOSB

    Service-disabled veteran-owned small businesses eligible for SDVOSB-restricted task orders.

    8(a)

    8(a)

    SBA-certified 8(a) businesses eligible for competitive and sole-source 8(a) task orders within the vehicle.

    HUBZone

    HUBZone

    HUBZone-certified businesses eligible for HUBZone-restricted SeaPort-NxG task orders.

    WOSB

    WOSB

    Women-owned small businesses eligible for WOSB-restricted task orders.

    Unrestricted (Large/Mid-size)

    UNR

    Large and mid-size businesses competing for unrestricted task orders across all service areas and zones.

    SeaPort-NxG Task Areas & Service Scope

    The functional task areas and service categories that define what can be ordered through SeaPort-NxG.

    Research and Development

    SA1

    Basic and applied R&D in naval systems, weapons, materials, and defense technology

    Engineering, System Engineering and Process Engineering

    SA2

    Systems engineering, design, integration, and test and evaluation

    Modeling, Simulation, Stimulation, and Analysis

    SA3

    M&S development, wargaming, threat analysis, and operational analysis

    Prototyping, Pre-Production, Model-Making, Fabrication

    SA4

    Engineering prototypes, mockups, and experimental hardware

    System, Facilities and Capital Improvements

    SA5

    Facility design, infrastructure improvements, and capital equipment installation

    Maintenance, Restoration and Modernization

    SA6

    Ship and systems maintenance, restoration, and technology refresh

    Software Engineering, Development, Programming

    SA7

    Software development, embedded systems, and software modernization for DoN systems

    Assessments and Evaluations

    SA8

    Program assessments, operational evaluations, and technical performance analysis

    Training, Education and Skill Enhancement

    SA9

    Simulation-based training, courseware development, and professional development

    Information Technology and Telecom

    SA22

    IT services and infrastructure supporting DoN operations and communications

    SeaPort-NxG Market Context

    Why SeaPort-NxG matters in the federal contracting landscape and its role in agency acquisition strategy.

    SeaPort-NxG occupies a unique position in the federal contracting landscape as a purely Navy-focused IDIQ, covering professional services needs that span shipbuilding engineering to enterprise IT across all major Navy and Marine Corps commands. Unlike government-wide GWACs, SeaPort-NxG's dedicated Department of the Navy focus creates a more specialized contractor community with deep domain expertise in naval systems, amphibious operations, and maritime technology. The vehicle's geographic zone structure reflects the Navy's physical operating footprint, from the Washington DC corridor to the Pacific Fleet commands.

    How SeaPort-NxG Task Orders Work

    Step-by-step: how agencies issue task orders through SeaPort-NxG and what contract holders need to do to compete.

    1. 1Navy contracting office identifies a professional services requirement and determines the applicable SeaPort-NxG zone (based on primary place of performance).
    2. 2Contracting officer posts a Request for Task Order Proposal (RFTOP) to the SeaPort-NxG ordering portal, notifying all holders in the applicable zone and service area.
    3. 3SeaPort-NxG holders in the zone respond with technical proposals and pricing; small business set-asides can be applied within the zone.
    4. 4Contracting officer evaluates responses using best-value or LPTA criteria and awards the task order.
    5. 5Task order is managed under the holder's SeaPort-NxG base contract, with reporting to NAVSEA SeaPort program office.

    Key Facts — SeaPort-NxG

    Important market intelligence for federal contractors pursuing SeaPort-NxG task orders.

    • 1Managed by NAVSEA — primarily supports Navy and Marine Corps activities
    • 2Organized into geographic zones — contractors may hold contracts in one or multiple zones
    • 322 zones cover CONUS and OCONUS locations including Navy bases worldwide
    • 4Multiple service areas aligned to DoN functional requirements
    • 5Requires active Navy-customer relationships to win task orders — relationship-driven vehicle
    • 6Not a government-wide contract — limited to DoN commands and authorized customers

    Eligibility & Requirements — SeaPort-NxG

    What is required to hold a SeaPort-NxG contract and compete for task orders.

    • ✓Must be a registered SeaPort-NxG contract holder for the applicable geographic zone
    • ✓Must have demonstrated experience in the service area(s) relevant to each task order
    • ✓Must maintain active SAM.gov registration throughout the contract period
    • ✓Socioeconomic certifications required for corresponding set-aside task orders
    • ✓Must register in the SeaPort-NxG contractor portal and maintain current profile
    • ✓Teaming is permitted — prime/subcontract arrangements may include companies without direct SeaPort-NxG awards

    Top Agency Buyers — SeaPort-NxG

    Federal agencies that most actively order through SeaPort-NxG. Understanding these buyers is essential for targeted capture and business development.

    Naval Sea Systems Command (NAVSEA)

    NAVSEA is the primary managing and ordering command, covering ship design, construction, and in-service engineering support through SeaPort-NxG task orders.

    Naval Air Systems Command (NAVAIR)

    NAVAIR uses SeaPort-NxG for aviation systems engineering, maintenance support, and program management services across its Patuxent River and Lakehurst operations.

    Space and Naval Warfare Systems Command (NAVWAR)

    NAVWAR (formerly SPAWAR) uses SeaPort-NxG extensively for IT systems, C4ISR, and cybersecurity services across its San Diego and Charleston facilities.

    Marine Corps Systems Command (MCSC)

    MCSC leverages SeaPort-NxG for ground equipment systems engineering, program management support, and acquisition advisory services.

    Navy Budget Submitting Offices (BSOs)

    The broader Navy BSO community — NAVSUP, ONR, NETWARCOM, and others — all have ordering access and collectively drive hundreds of millions in annual SeaPort-NxG volume.

    Strategies for Winning SeaPort-NxG Task Orders

    Practical tactics for maximizing your success as a SeaPort-NxG contract holder.

    • 1SeaPort-NxG is relationship-driven — many task orders go to incumbents with established program officer relationships. Invest in DoN relationship-building before pursuing task orders.
    • 2Geographic zones matter — target the zones where your team has existing DoN customer relationships and cleared personnel.
    • 3SeaPort-NxG task orders are often written with incumbent work in mind — position early in the program lifecycle (during RFI and market research stages) to shape requirements.
    • 4Small businesses with SDVOSB or 8(a) certifications compete in a much smaller pool for set-aside SeaPort-NxG task orders — prioritize certification maintenance.
    • 5NAVSEA, NAVAIR, SPAWAR (NAVWAR), NAVFAC, and NAVSUP are the primary ordering commands — build contacts within specific program offices at these commands.
    • 6Monitor the SeaPort-NxG ordering portal directly alongside SamSearch alerts — task orders may be released in the portal before they appear on SAM.gov.

    SamSearch Platform

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    Frequently Asked Questions — SeaPort-NxG

    Common questions about SeaPort-NxG including pools, eligibility, ordering process, and task order strategies.