Keel
Keel is a U.S. defense manufacturer formed in 2023 from the merger of Pegasus Steel, Merrill Technologies Group, and Metal Trades, backed by Arlington Capital Partners. It produces NAVSEA-certified steel fabrications and precision-machined components for U.S. Navy submarine and carrier programs, defense primes, and aerospace customers.
- Company typePrivate
- Founded2023
- HeadquartersLadson, United States
- Headcount251–500
- GTM typeB2B
- OfferingHardware or Manufacturing
What Keel does
Keel is a U.S. defense manufacturer specializing in high-end steel fabrication, precision machining, and complex integration for naval, land, and space applications. The company was formed in 2023 through the merger of Pegasus Steel, Merrill Technologies Group, and Metal Trades, backed by Arlington Capital Partners, combining roots dating to 1962 (Metal Trades, Charleston, SC) and 1968 (MERRILL, Michigan). It operates nine manufacturing facilities in South Carolina and Michigan totaling more than 1.2 million square feet, with 850+ employees, 185+ AWS-certified welders, and 70+ CNC machining centers; capital assets include 100+ ton lift capacity, a 300-ton transporter, and a 48-acre deep-water port facility on the Intracoastal Waterway capable of handling modules up to 380 feet.
Keel's core capabilities — design and engineering, large-scale fabrication, precision machining, specialty processing, and complex integration — are deployed across five vertical markets: U.S. Nuclear Navy (Virginia- and Columbia-class submarine modules, Ford- and Nimitz-class carrier structures, NAVSEA-certified fracture-critical work), Maritime Defense, Aerospace & Space (SLS, S-97 Raider, UAVs, satellite components under AS9100D and NADCAP), Land/Surveillance/Launch (ACV, MRAP, missile launch platforms), and Advanced Manufacturing & Infrastructure. Notable technical assets include a Nieland cold forming press, DAVI Mav-30 plate roll equipment, a 110-inch cube electron beam welding system, a first-of-kind NAVSEA-qualified cobot welding procedure, and an internal APEX Advanced Planning and Execution Center.
The business model is project-based, B2B, and contract-driven. Revenue is generated through long-cycle government and defense prime contracts awarded via RFP/RFQ processes, with primary customers including HII (Newport News Shipbuilding), General Dynamics Electric Boat, the U.S. Navy, the U.S. Army, Westinghouse, BWXT, NASA, NOAA, and Palantir (under the ShipOS initiative). Distribution is exclusively direct to defense primes and government agencies, with large modules delivered by barge or heavy haul transport. Recent capital deployments exceed $200M across Southeast and Midwest expansions, and Keel is positioning as a digital-forward node within the Navy's AI-enabled submarine industrial base through its Palantir integration.
Keel firmographics
Firmographics- Name
- Keel
- Legal name
- Keel Holdings LLC
- Website
- https://keelusa.com
- Company type
- Private
- Founded year
- 2023
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- Keel is a U.S. defense manufacturer formed in 2023 from the merger of Pegasus Steel, Merrill Technologies Group, and Metal Trades, backed by Arlington Capital Partners. It produces NAVSEA-certified steel fabrications and precision-machined components for U.S. Navy submarine and carrier programs, defense primes, and aerospace customers.
- Ownership category
- akta.pro rank
Keel industry classification
Industry- Product category
- Defense Manufacturing
- NAICS
- Ship Building and Repairing (336611), Military Armored Vehicle, Tank, and Tank Component Manufacturing (336992), Guided Missile and Space Vehicle Manufacturing (336414), Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing (336419)
- SIC
- Ship & Boat Building & Repairing (3730), Aircraft (3721), Guided Missiles & Space Vehicles & Parts (3760), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812)
- akta.pro primary industry
- Submarine Systems & Components (Pressure Hull, Ballast, Life Support) (IMABAKAL)
- akta.pro secondary industries
- Naval Shipbuilding Program Management & Defense Contracting Support (IMAJABAO), Military Rotorcraft Platforms (IMABAMAB)
Keywords
Where Keel is headquartered
LocationHeadquarters
- HQ city
- Ladson
- HQ country
- United States
- HQ region
- North America
Offices10 records
Markets served
Keel business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- U.S. Navy Programs: Primary revenue from manufacturing submarine modules for Virginia-class and Columbia-class submarines, aircraft carrier components for Ford and Nimitz-class carriers, and naval structures for defense primes including HII and General Dynamics Electric Boat
- U.S. Army Programs: Manufacturing components for Army vehicles, armored systems, and land-based defense programs including Amphibious Combat Vehicles and MRAP vehicles
- Aerospace Manufacturing: Precision components for aerospace applications including Space Launch System, next-generation helicopters (S-97 Raider), UAVs, commercial airlines, and satellite components
- Nuclear Energy Sector: Structural components for AP1000 nuclear reactor projects for Westinghouse, sustaining welders and fabricators
- Commercial and Industrial: Advanced manufacturing and infrastructure services for commercial customers including heavy equipment, robotic systems, and industrial applications
- NOAA and Government Agencies: $16.4M contract to fabricate steel structures for NOAA (National Oceanic and Atmospheric Administration)
Go-to-market motion1 record
Distribution channels4 records
Marketing channels6 records
Keel product offering
Product offeringCore offering
Keel is a defense manufacturing company that produces mission-critical fabricated and machined components for the U.S. Navy, U.S. Army, aerospace, and nuclear energy sectors. Its offerings span five integrated capabilities — Design/Engineering & Planning, Large-Scale Fabrication, Precision Machining, Specialty Processing, and Complex Integration — supporting submarine modules (Virginia-class, Columbia-class), aircraft carrier components (Ford, Nimitz-class), Army combat vehicles, aerospace assemblies, and AP1000 nuclear reactor structures across more than 1.2 million square feet of manufacturing space.
Product overview
Keel is a defense manufacturing company offering integrated precision machining, fabrication, and integration solutions. The company operates across five market verticals (Nuclear Navy, Maritime Defense, Aerospace & Space, Land/Surveillance/Launch, Advanced Manufacturing & Infrastructure) supported by five core service capabilities (Design/Engineering & Planning, Large Scale Fabrication, Precision Machining, Specialty Processing, Complex Integration). Formed in 2023 through the merger of Pegasus Steel, Merrill Technologies Group, and Metal Trades, Keel delivers mission-critical components for U.S. Navy submarine and aircraft carrier programs, aerospace applications, land-based defense systems, and commercial industrial projects.
Differentiator
Problem solved
Functional benefit
Products and services
- Design, Engineering & Planning
Quantifiable outcome
- 14% increase in shipbuilding throughput in 2025 through distributed shipbuilding strategy
- +5 more outcomes
Companies that use Keel
Customer profileNamed customers12 records
Segments6 records
Ideal customer profiles4 records
Keel technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability2 records
Feature8 records
Keel partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core and minor.
- HII (Huntington Ingalls Industries)coreKeel is a manufacturing partner in HII's distributed shipbuilding strategy, building submarine modules and CVN units for Newport News Shipbuilding. The partnership expands shipbuilding capacity equivalent to 1,000+ jobs across 11 states. HII increased shipbuilding throughput 14% in 2025 and plans to outsource 2.5M hours of shipbuilding work in 2026, a 30% increase.
- Trident Maritime SystemscoreTrident Maritime Systems works across Michigan, Virginia, and Louisiana building aircraft carrier units for Newport News Shipbuilding and Arleigh Burke-class Flight III destroyer units for Ingalls Shipbuilding as part of HII's distributed shipbuilding network.
- Gulf CoppercoreGulf Copper, based in Texas, builds DDG units for Ingalls Shipbuilding as part of HII's distributed shipbuilding strategy, contributing to the expansion of shipbuilding capacity across the industrial base.
- Palantir TechnologiescoreKeel joined Palantir and U.S. Navy in ShipOS initiative to accelerate submarine and broader naval production. Keel will integrate Palantir's Foundry and AI Platform to improve schedule efficiency and accelerate shipbuilding timelines. ShipOS is backed by up to $448 million in authorized funding and will deploy across 100+ suppliers.
- U.S. NavycoreKeel supports U.S. Navy's ShipOS initiative for submarine industrial base modernization, working with Palantir to integrate AI-powered data platforms across the Navy's shipbuilders, shipyards, and 100+ suppliers.
- Lockwood STEM Center at Hemlock High SchoolminorKeel invested in Keel Innovation Center at Lockwood STEM Center with $300,000 total contributions (including $100,000 donation and $50,000 annual commitment) to foster STEM education and workforce pipeline development.
- Westinghouse Electric CompanycoreKeel is part of Westinghouse's supply chain for AP1000 nuclear reactor projects, providing structural components and sustaining 80+ welders and fabricators. Keel joined congressional delegation to advocate for AP1000 deployment.
- Sikorsky-Boeing Joint Multi-Role (JMR) ProgramcoreKeel was awarded contract for Sikorsky-Boeing JMR program, manufacturing critical components including titanium rotor shafts and hubs for S-97 Raider next-generation helicopter for U.S. Army's Armed Aerial Scout requirements.
- NASA/Space Industry CustomerscoreKeel developed specialized heavy load trailer for transporting Space Launch System (SLS) engine sections, receiving prestigious achievement award for meeting 22-week delivery timeline with dual steering systems and hydraulic/pneumatic controls.
Scale indicators14 records
Recent moves13 records
Expansion highlights6 records
Keel competitors and assessment
Company assessmentDirect peers
- Trident Maritime Systems: Privately held defense shipbuilding fabricator operating in Michigan, Virginia, and Louisiana building aircraft-carrier units and Arleigh Burke-class destroyer modules for HII. Direct peer to Keel as a co-participant in HII's distributed shipbuilding network.
- Gulf Copper: Texas-headquartered naval steel fabrication and machining supplier building DDG units for Ingalls Shipbuilding under HII's distributed shipbuilding strategy. Highly comparable scope — heavy steel fabrication, NAVSEA welding, and large-module shipyard delivery.
- Bristol Group: Private defense and industrial manufacturer with NAVSEA-qualified welding, large-scale fabrication, and complex assembly capabilities serving Navy and shipbuilding primes. Closely comparable business model — vertical fabrication-to-machining services for mission-critical naval structures.
- Mayville Engineering Company (MEC): Publicly listed mid-tier U.S. contract manufacturer with large-format fabrication, precision machining, and defense-industrial customers. Comparable private-market style platform serving aerospace and defense primes with similar product mix to Keel's metal-trades legacy.
Broad incumbents
- Huntington Ingalls Industries (HII): Largest U.S. military shipbuilder and Keel's most important customer/partner in distributed shipbuilding. While not a head-to-head competitor, Newport News Shipbuilding (an HII division) shares the same submarine and carrier welding and module integration discipline that defines Keel.
- General Dynamics Electric Boat: Prime contractor for Virginia- and Columbia-class submarines and a Keel customer. Operates the same fracture-critical welded-steel discipline on a larger scale, defining the standards (NAVSEA weld procedures, NNPI handling) that Keel must meet.
- Curtiss-Wright Corporation: Diversified defense manufacturer supplying engineered components, precision machining, and nuclear-qualified products to Navy programs. Comparable in regulated aerospace/defense machining and specialty processing, with overlapping certifications (NADCAP, AS9100D).
- BAE Systems, Inc. Tier-1 U.S. defense prime with significant naval platforms, combat vehicles, and electronics manufacturing. Adjacent comparable given overlapping Army amphibious-vehicle, naval, and combat-systems work that parallels Keel's Land/Surveillance/Launch vertical.
Emerging players
- BlueForge: Defense industrial-base technology company focused on additive manufacturing and supplier-base modernization for U.S. Navy shipbuilding. Emerging comparison point given shared ShipOS/submarine industrial-base theme and Navy digital modernization mandate.
- Hadrian: Precision-machining defense startup building software-driven factory capacity for defense primes. Adjacent in its bet on automation-enabled U.S. defense parts manufacturing — a competitive long-runner to Keel's cobot/Vericut/APEX automation investments.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks5 records
Key highlights6 records
Customer concentration
Keel social profiles
Digital presenceKeel compliance and trust
Trust signalCompliance9 records
Keel financial estimates
Financial estimateRevenue estimate
Valuation estimate
Keel leadership team
Management profileNumber of profiles
Profiles12 records
Keel funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Keel M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Keel
What does Keel do?
Keel is a defense manufacturing company that produces mission-critical fabricated and machined components for the U.S. Navy, U.S. Army, aerospace, and nuclear energy sectors. Its offerings span five integrated capabilities — Design/Engineering & Planning, Large-Scale Fabrication, Precision Machining, Specialty Processing, and Complex Integration — supporting submarine modules (Virginia-class, Columbia-class), aircraft carrier components (Ford, Nimitz-class), Army combat vehicles, aerospace assemblies, and AP1000 nuclear reactor structures across more than 1.2 million square feet of manufacturing space.
Is Keel a public or private company?
Keel is a private company. It is classified as private equity controlled and is currently operating.
When was Keel founded?
Keel was founded in 2023. It employs 251 to 500 people.
Where is Keel based?
Keel is headquartered in Ladson, United States, in the North America region.
How does Keel make money?
Six revenue lines are on record. U.S. Navy Programs are the primary driver. The others are U.S. Army Programs, aerospace Manufacturing, nuclear Energy Sector, commercial and Industrial and NOAA and Government Agencies.
Who are Keel's main competitors?
Direct peers on record are Trident Maritime Systems, Gulf Copper, Bristol Group and Mayville Engineering Company (MEC). Broad incumbents are Huntington Ingalls Industries (HII), General Dynamics Electric Boat, Curtiss-Wright Corporation and BAE Systems, Inc.. Emerging players are BlueForge and Hadrian.
Does Keel have an API?
No public API is recorded for Keel.
What industry is Keel in?
Keel's product category is Defense Manufacturing. Its primary akta.pro industry code is IMABAKAL, Submarine Systems & Components (Pressure Hull, Ballast, Life Support), with a secondary code of IMAJABAO, Naval Shipbuilding Program Management & Defense Contracting Support. Its NAICS code is 336611 and its SIC code is 3730.