What Phoenix International does

Phoenix International Holdings, Inc. is an employee-owned, ISO 9001:2015 certified marine services contractor founded in 1997 and headquartered in Largo, Maryland. The company delivers manned and unmanned underwater operations and engineering services to U.S. Navy, allied foreign navies, commercial shipping, offshore oil and gas, infrastructure, and commercial space customers worldwide, executing work through eight regional support facilities on the U.S. East, Gulf, and West Coasts plus an engineering site at Stennis Space Center. Capabilities span saturation and mixed-gas commercial diving, atmospheric diving, underwater welding, non-destructive testing, submarine rescue systems, and seabed survey.

The company's technology base is built around in-house designed and operated unmanned assets: the Remora III 40-horsepower work-class ROV rated to 6,000 m depth with dual manipulators and fiber-optic telemetry; the xBot micro-ROV using patented pressure-tolerant electronics for confined-penetration work; the Artemis AUV rated to 5,000 m with modular payload bays and field-swappable batteries; the SEVDS submarine emergency ventilation and decompression system rated to 600 m; and the Novasub modular digital diver monitoring platform. Phoenix augments these with third-party inspection-class ROVs (Chinook, Mako, both 300 m rated), the Hydros II ROV operated on behalf of the U.S. Navy, the SATFADS 1,000 ft saturation dive system, the Towed Pinger Locator (TPL), and Side Scan Sonar for subsea search. The firm holds approvals from ABS, DNV, Bureau Veritas, Class NK, Lloyd's Register, RINA, ADCI, and IMCA, and maintains 53+ certified Welding Procedure Specifications.

Phoenix operates as a project-based professional services firm, generating revenue through customized scope contracts, competitive bidding, and government contracting vehicles (including direct engagement with NAVSEA/SUPSALV). Pricing is quote-based and not publicly disclosed; engagement scope ranges from routine in-water surveys to complex deep-ocean salvage, submarine emergency response, and rocket booster recovery. Customer segments include U.S. Navy and allied navies (primary), commercial shipping husbandry, offshore oil and gas IRM, offshore renewable energy support, inland/infrastructure diving, marine salvage, and the emerging commercial space launch market. Distribution is direct enterprise field sales, supported by a website quote request funnel, an active trade publication presence, and pre-positioned equipment at regional offices that enables rapid global mobilization.

Name

Phoenix International

Legal name

Phoenix International Holdings, Inc.

Website

https://phnx-international.com

Company type

Private

Founded year

1997

Operating status

Operating

Headcount range

251–500 employees

Short description

Phoenix International is an employee-owned marine services contractor providing manned and unmanned underwater operations, ROV/AUV systems, submarine rescue, and engineering services to the U.S. Navy, allied navies, and commercial maritime and offshore energy clients worldwide.

Ownership category

akta.pro rank

Product category

Marine Underwater Services and Engineering

NAICS

Support Activities for Water Transportation (4883), Other Support Activities for Water Transportation (48839), Geophysical Surveying and Mapping Services (541360)

SIC

Ship & Boat Building & Repairing (3730), Oil & Gas Field Services, Nec (1389)

akta.pro primary industry

Underwater Inspection, Maintenance & Repair (UWILD, Diving/ROV, In-water Cleaning) (IMAJAFAJ)

akta.pro secondary industries

Underwater Salvage & Diving Operations (UWILD, Cutting, Welding) (IMAJANAD), Marine & Underwater Robotics (USVs/UUVs) (HDAAAIAH), Underwater Hull Services (Diving, In-Water Cleaning, Propeller Polishing, Inspection) (TLAHAMAL)

Keywords

• Underwater marine services
• Remotely operated vehicles
• Submarine rescue operations
• Offshore inspection repair
• Deep ocean search recovery

Headquarters

HQ city

Upper Marlboro

HQ country

United States

HQ region

North America

Offices8 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Underwater Services and Marine Operations: Phoenix generates revenue through providing specialized underwater services including inspection, repair, maintenance (IRM), search and recovery, engineering, and submarine rescue to commercial and government clients worldwide. Services are project-based with scope ranging from routine inspections to complex emergency repairs.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels8 records

Core offering

Phoenix International is an employee-owned marine services contractor providing manned and unmanned underwater operations and engineering services worldwide. It delivers deep ocean search and recovery, offshore oil and gas inspection/repair/maintenance, ship repair and husbandry, submarine rescue, seabed survey, underwater welding, NDT, and rocket booster recovery using in-house developed ROVs, AUVs, atmospheric diving systems, and commercial diving assets. Its services are engaged on a project basis by commercial shipping companies, offshore energy operators, and government/military clients including the U.S. Navy and allied navies.

Product overview

Phoenix International Holdings, Inc. is an employee-owned marine services contractor providing a comprehensive portfolio of manned and unmanned underwater solutions, engineering services, and specialized underwater systems for commercial and military clients worldwide. The portfolio centers on deep-ocean capability with Remora III ROV (6,000m rated) and xBot micro-ROV as core in-house developed ROV products, supplemented by acquired SEAMOR Marine Chinook and Mako inspection ROVs (300m rated). The Artemis AUV (5,000m rated) provides autonomous survey capability with configurable acoustic, optical, and geophysical payloads. Supporting the diving operations are Novasub (modular digital diving monitoring system), SATFADS saturation diving system, and SEVDS submarine rescue equipment. Service offerings include underwater welding (53+ WPS), NDT inspection, towable diving systems, and testing tank facilities. Operations span offshore oil and gas IRM, submarine rescue, rocket booster recovery, seabed survey, ship repair, and deep ocean search and recovery.

Differentiator

Problem solved

Functional benefit

Products and services

• Remora III ROV

Quantifiable outcome

• 3,660 hours of bottom time logged on single USS Eisenhower project
• +4 more outcomes

Named customers8 records

Segments6 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Two partnerships are on record, tiered core.

• U.S. Navy Supervisor of Salvage and Diving (SUPSALV)coreStrategic or Co-development PartnerLong-standing strategic partnership with SUPSALV for deep ocean search and recovery operations, submarine rescue, and diving services. Phoenix operates and maintains ROVs owned by SUPSALV and has completed hundreds of operations together including Titan submersible recovery, F-35C salvage, MH-60S helicopter recovery, and ongoing aircraft and vessel recovery missions. Phoenix is the only company besides the U.S. Navy to provide rescue systems in response to the missing ARA SAN JUAN submarine.
• Spanish NavycoreStrategic or Co-development PartnerContracted by Spanish Navy to provide Submarine Emergency Ventilation and Decompression System (SEVDS) capable to 600 meters depth. Phoenix has supplied complete rescue and intervention solutions including rescue vehicles, chambers, Transfer Under Pressure systems, Emergency Life Support System pods, ROVs, and SEVDS to the Spanish Navy.

Scale indicators7 records

Recent moves8 records

Expansion highlights6 records

Regional players

• Mermaid Maritime: Thailand-based subsea services provider with ROV and diving capabilities serving Asia-Pacific offshore markets. Comparable offering to Phoenix but primarily competing in Southeast Asia and Middle East geographies.

Direct peers

• SeaTrepid International: U.S.-based ROV services and ocean engineering firm serving government, scientific, and commercial clients. Direct peer to Phoenix in providing ROV operations and underwater services at smaller scale.
• Oceaneering International: Largest pure-play ROV operator and marine services contractor globally. Directly comparable to Phoenix in ROV operations, subsea intervention, and offshore IRM, but with materially larger scale and broader geographic footprint.
• Helix Energy Solutions Group: Houston-based provider of subsea well intervention, ROV services, and offshore oil & gas IRM. Comparable to Phoenix in subsea robotics and offshore inspection/maintenance work for energy customers.
• DOF Subsea: Norwegian-based subsea services company providing ROV operations, survey, and IRM. Direct comparable to Phoenix in ROV service delivery and offshore inspection scope.

Emerging players

• VideoRay: U.S.-based manufacturer of small, mission-capable micro-ROVs used by defense, public safety, and commercial divers. Comparable to Phoenix's xBot micro-ROV product line and pressure-tolerant electronics approach.
• International Submarine Engineering (ISE): Canadian designer and manufacturer of unmanned underwater vehicles and robotic systems. Comparable to Phoenix in proprietary subsea robotics, with overlap in AUV and specialized underwater vehicle development.

Broad incumbents

• Subsea7: Global subsea engineering, construction, and services company with large ROV fleet. Overlaps with Phoenix on offshore IRM and ROV operations but primarily serves the SURF/EPCI market for offshore O&G.
• Saipem: Italian offshore EPCI and drilling contractor with subsea services. Overlaps with Phoenix in offshore IRM and subsea robotics, though Saipem's portfolio is far broader and includes construction and drilling.
• Forum Energy Technologies: Manufacturer and supplier of subsea vehicles, ROVs, and subsea products. Comparable to Phoenix's in-house ROV manufacturing capability (Remora, Artemis, xBot), though primarily an equipment vendor rather than service operator.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/phnx_underwater
• YouTubeyoutube.com/user/PhnxInternational
• Facebookfacebook.com/phoenixinternational
• LinkedInlinkedin.com/company/phoenix-international-holdings-inc-

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Funding overview

Funding rounds

Investors

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 Phoenix International