PrimeRFP SCOUT · Federal Contract Recompete Brief

N0017821D8888Seaport-nxg — Addon Services, LLC

Addon Services, LLC holds $100.6M across 69 federal awards, concentrated at Department of Defense (DOD). This PIID sits alongside 5 related awards in the incumbent pipeline. Set-aside status: Unrestricted.

Nswc Dahlgren

Awarding office

Addon Services, LLC

Recipient

—

Estimated value

R499

PSC

Unrestricted

Set-aside

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Contract facts

Unrestricted

Contract numberN0017821D8888

Also listed asN00178-21-D-8888

AgencyNswc Dahlgren

Awarding officeNswc Dahlgren

Awarding agencyDepartment of Defense (DOD)

Funding agencyDepartment of Defense (DOD)

IncumbentAddon Services, LLC

UEIC1J1B6AJTQK4

PSCR499

Related solicitationN0017821R7000

SEAPORT-NXG is a federal Unrestricted award for Nswc Dahlgren held by Addon Services, LLC. Estimated value —. Related solicitation N0017821R7000.

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Incumbent footprint

Public record

Addon Services, LLC — $100.6M obligated across 69 awards (firm-wide, all agencies) · lead buyer Department of Defense (DOD).

% of firm-wide obligated ($100.6M) · all agencies

Department of Defense (DOD)$96.9M · 96%Department of Transportation (DOT)$3.2M · 3%Department of the Interior (DOI)$468K · 0%General Services Administration (GSA)$7K · 0%

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Frequently asked questions

What is contract N0017821D8888?

N0017821D8888 (Seaport-nxg) is a Nswc Dahlgren award with an estimated value of —, currently held by Addon Services, LLC. Figures are USASpending-sourced public-record facts plus SCOUT recompete analysis.

What is N00178-21-D-8888?

N00178-21-D-8888 is the dashed form of PIID N0017821D8888 (Seaport-nxg), held by Addon Services, LLC. Same award — SCOUT canonicalizes compact, dashed, and parent-child identifiers to one brief.

Which office awarded N0017821D8888?

Nswc Dahlgren awarded N0017821D8888 to Addon Services, LLC.

Who is the incumbent on N0017821D8888?

Addon Services, LLC is the incumbent with $100.6M across 69 related awards in SCOUT’s public footprint.

When does Addon Services, LLC’s N0017821D8888 come up for recompete?

SCOUT tracks a period-of-performance end of an unstated date. Actual solicitation timing can shift with extensions, bridges, or consolidations.

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Data: Showing contracts ≥ $100K from federal procurement records (FPDS-NG, SAM.gov, and related repositories), normalized by PrimeRFP SCOUT. Each row keyed by Award ID (PIID); task orders appear as independent rows.

Data as of Aug 18, 2026 · refreshed monthly