# Unmanned Maritime Systems (UMS) Support

Canonical: https://abierto.us/opportunities/n6133126r3102

- Solicitation number: N6133126R3102
- Notice type: Award notice (first published as solicitation)
- Status: Awarded to Attollo LLC for $57,980,538.00
- Department: Department of the Navy
- Agency: Department of the Navy
- Contracting office: Naval Surface Warfare Center (N61331)
- NAICS: 541330 Engineering Services
- Product or service code: R425 Engineering and Technical Services
- Set-aside: Service-disabled veteran-owned small business set-aside
- First posted: December 5, 2025
- Last posted: August 20, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/3c649f64b34a4642a5e915bba3e47d6c/view

## Description

This is the award notice for the Seaport NxG Task Order for Unmanned Maritime Systems (UMS) Support Follow On. This is related to solicitation notice N6133126R3102.

## Award on USAspending

- Recipient: Attollo LLC (UEI Q92KWW1U7Y84)
- Contract: N0017821D8939
- Obligated: $0.00
- Competition: Full and Open Competition, 620 offers received
- Link: award number N0017821D8939 equals the contract number; same sub-agency 1700 (high confidence)
- Record: https://www.usaspending.gov/award/CONT_IDV_N0017821D8939_9700/


## Publications

- December 5, 2025: Solicitation, due January 5, 2026 at 1:00 PM EST. Notice ae20ab345d1f4229904dfa83e47d44a8. https://sam.gov/workspace/contract/opp/ae20ab345d1f4229904dfa83e47d44a8/view
- December 8, 2025: Solicitation, due January 5, 2026 at 1:00 PM EST. Notice ff39c4fbf6fe474eba3dc7037ea1acde. https://sam.gov/workspace/contract/opp/ff39c4fbf6fe474eba3dc7037ea1acde/view
- December 10, 2025: Solicitation, due January 5, 2026 at 5:00 PM EST. Notice f4556c1df1ec45588cfe31a42dfc0411. https://sam.gov/workspace/contract/opp/f4556c1df1ec45588cfe31a42dfc0411/view
- December 19, 2025: Solicitation, due January 16, 2026 at 5:00 PM EST. Notice a85f65d8dd524e909e6cf04ecd252dcb. https://sam.gov/workspace/contract/opp/a85f65d8dd524e909e6cf04ecd252dcb/view
- January 2, 2026: Solicitation, due January 16, 2026 at 5:00 PM EST. Notice 13aee9d231db4358a9e51188c1d89972. https://sam.gov/workspace/contract/opp/13aee9d231db4358a9e51188c1d89972/view
- January 8, 2026: Solicitation, due January 16, 2026 at 5:00 PM EST. Notice 930b288442584843b94ec1d27d2279fe. https://sam.gov/workspace/contract/opp/930b288442584843b94ec1d27d2279fe/view
- August 20, 2026: Award notice. Notice 3c649f64b34a4642a5e915bba3e47d6c. https://sam.gov/workspace/contract/opp/3c649f64b34a4642a5e915bba3e47d6c/view

## Points of contact

- MELISSA RYAN, melissa.m.ryan12.civ@us.navy.mil, 8508967084
- Matthew Hammond, matthew.a.hammond4.civ@us.navy.mil, 8508197274

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Source: SAM.gov Contract Opportunities bulk extract and USAspending.gov award data. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/n6133126r3102.