Hydroid

What Hydroid does

Hydroid is a U.S.-based designer and manufacturer of unmanned underwater vehicles (UUVs) and supporting autonomous maritime systems, headquartered in Pocasset, Massachusetts. Founded in 2001, the company built its reputation on the REMUS (Remote Environmental Monitoring UnitS) family of autonomous underwater vehicles, including the REMUS 130, REMUS 300, and REMUS 620 variants, which are deployed for mine countermeasures, hydrographic survey, surveillance, and ocean research missions. In 2017, Hydroid was acquired by Huntington Ingalls Industries (HII) and now operates as a wholly-owned subsidiary within HII's Mission Technologies division, alongside the ODYSSEY Autonomy software platform and the ROMULUS medium unmanned surface vessel (USV), which is progressing through U.S. Navy testing.

Hydroid's technology stack combines purpose-built AUV/USV hardware with the proprietary ODYSSEY Autonomy common control architecture, enabling multi-domain (surface and underwater) autonomous operation. Its primary customer base is the U.S. Navy, supported by allied defense partners (demonstrated most recently through multinational exercises in New Zealand with REMUS 300 units) and a secondary commercial marine segment for offshore energy inspection, subsea infrastructure monitoring, and marine research. The business operates an enterprise field sales motion through HII's Mission Technologies organization, which has over 7,000 employees and 100+ global facilities.

Revenue is generated through hardware sales of REMUS UUV systems and ROMULUS USVs, plus professional services revenue from fleet sustainment and operational readiness support. Pricing is not publicly disclosed, but contract values are substantial — illustrated by HII's June 2026 $418 million award to continue supporting U.S. Navy Fleet Operational Readiness. Hydroid's competitive position rests on decades of REMUS operational history, embedded Navy relationships, ITAR/restricted-procurement status, and parent-company scale via HII — advantages that translate into high regulatory barriers to entry but also customer concentration risk relative to the U.S. Navy.

Name

Hydroid

Legal name

Hydroid Inc.

Website

https://hydroid.com

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

101–250 employees

Short description

Hydroid designs and manufactures REMUS autonomous underwater vehicles, the ROMULUS unmanned surface vessel, and ODYSSEY autonomy software for the U.S. Navy, allied defense forces, and commercial marine operators, operating as a subsidiary of HII's Mission Technologies division.

Ownership category

akta.pro rank

Product category

Autonomous Underwater Vehicles (Unmanned Maritime Systems)

akta.pro primary industry

Unmanned Underwater Vehicles (UUV) & Autonomous Subsea Platforms (IMABAIAF)

akta.pro secondary industries

Unmanned Surface Vehicles (USV) & Autonomous Maritime Surface Platforms (IMABAIAE), Maritime Unmanned Systems (USV/UUV) & Control Stations (IMABAKAJ), Marine & Underwater Robotics (USVs/UUVs) (HDAAAIAH)

Keywords

• Autonomous underwater vehicles
• Unmanned maritime systems
• Mine countermeasures
• Defense robotics
• Fleet sustainment services

Headquarters

HQ city

Pocasset

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Supply Chain, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Defense Government Contracts: Primary revenue stream from defense contracts with the U.S. Navy and allied governments. Revenue comes from delivery of unmanned systems, fleet sustainment services, and related support. Recent $418M contract for fleet operational readiness demonstrates scale of government contracting.
2. Fleet Sustainment Services: Ongoing sustainment and support services for delivered systems including maintenance, upgrades, and operational support.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Hydroid manufactures and supplies unmanned underwater vehicles (REMUS family) and unmanned surface vessels (ROMULUS) enabled by the ODYSSEY Autonomy platform for defense, federal, and commercial customers. The company delivers autonomous maritime systems for mine countermeasures, surveillance, hydrographic surveys, and ocean research, along with ongoing fleet sustainment and operational support services.

Product overview

HII's Mission Technologies division operates the Hydroid brand, which is a leading provider of unmanned underwater and surface systems. The product portfolio centers on the REMUS family of Autonomous Underwater Vehicles (AUVs) and the ROMULUS Unmanned Surface Vessel (USV), all enabled by ODYSSEY Autonomy. These systems serve defense, federal, and commercial customers across applications including mine countermeasures, naval defense operations, and ocean research.

Differentiator

Problem solved

Functional benefit

Brands

• REMUS: REMUS (Remote Environmental Monitoring UnitS) autonomous underwater vehicle product line including REMUS 130, REMUS 300 variants used for defense, research, and commercial underwater missions.
• HII ODYSSEY Autonomy

Quantifiable outcome

• ROMULUS USV advanced to U.S. Navy Medium Unmanned Surface Vessel At-Sea Testing Phase

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature5 records

Partnerships

Two partnerships are on record, tiered minor and core.

• Multinational Defense Forces (New Zealand)minorStrategic or Co-development Partner · 18 June 2026Supported multinational mine countermeasure exercise in New Zealand with HII REMUS 300 UUVs and HII ODYSSEY Autonomy, demonstrating international interoperability of systems.
• U.S. NavycoreStrategic or Co-development PartnerPrimary defense customer and strategic partner. HII supports U.S. Navy fleet operational readiness and develops unmanned systems including USVs and UUVs for Navy programs. ROMULUS USV is advancing through Navy testing phases.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• BAE Systems: Global defense prime with active unmanned maritime programs (e.g., Herne XLAUV). Competes with Hydroid for Naval X Fleet unmanned undersea vehicles and supports multi-domain autonomous architectures similar in scope to HII's ODYSSEY.
• L3Harris Technologies: Large U.S. defense prime with growing unmanned maritime portfolio (including work on medium and large UUVs). Overlaps with Hydroid on U.S. Navy autonomous systems contracts and provides broader C5ISR integration that competes for the same program dollars.
• Teledyne Marine: Supplier of underwater imaging, sonar, and integrated AUV/ROV platforms (including the Gavia AUV). Comparable to Hydroid on hydrographic survey, subsea inspection, and defense payload integrations, with strong commercial-marine reach.
• Boeing (Defense, Space & Security): Boeing developed the Echo Voyager extra-large UUV (XLUUV), competing head-to-head with HII/Hydroid offerings for Navy XLUUV and large-displacement UUV programs. A broad incumbent with the capital and shipbuilding integration to challenge Hydroid at the higher end of the UUV market.

Emerging players

• Anduril Industries: U.S. defense technology company that has expanded into unmanned maritime with the Dive-LD UUV and the Ghost Shark USV (co-developed with Australia's DSTG). Directly comparable to Hydroid as an autonomy-led, software-defined competitor targeting U.S. Navy and allied unmanned maritime programs.
• BlueHalo: U.S. defense-tech company with active unmanned maritime and counter-UAS efforts (including Tidewater USV work). Competes with Hydroid on Navy and DoD autonomous-systems awards and increasingly for multi-domain integration roles similar to HII Mission Technologies.
• Ocean Infinity: Marine robotics operator and shipbuilder fielding fleets of HUGIN and Armada-class USVs globally. A buyer/operator of UUV technology and a competitor for subsea survey and inspection services that overlap with Hydroid's commercial Marine value proposition.

Direct peers

• Kongsberg Maritime: Norwegian maritime technology company producing the HUGIN AUV family and related subsea autonomy stacks. HUGIN is a leading defense-and-commercial AUV comparable in mission profile (mine countermeasures, survey, inspection) to Hydroid's REMUS.
• General Dynamics Mission Systems (Bluefin Robotics): Through its Bluefin Robotics division, General Dynamics manufactures the Bluefin AUV family (e.g., Bluefin-9, Bluefin-21), directly competing with Hydroid's REMUS line for Navy mine countermeasures, hydrographic survey, and payload integration contracts.
• Saab (Saab Seaeye / Saab Dynamics): Swedish defense group whose Seaeye and Sabertooth AUV/ROV product families target mine countermeasures, harbor protection, and security applications. Directly comparable to REMUS for European and allied-nation naval customers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/hydroidinc
• LinkedInlinkedin.com/company/2687093

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Hydroid