5.1.10Segment

Naval Systems & Shipbuilding

Shipyards and defense contractors designing, constructing, and overhauling naval combatants, submarines, auxiliary vessels, and shipboard combat systems for military customers.

5
Verticals

Overview

Naval Systems & Shipbuilding covers shipyards and defense contractors designing, building, and overhauling naval combatants, submarines, auxiliary vessels, and shipboard combat systems. It is a consolidated, capital-intensive segment dominated by Huntington Ingalls and General Dynamics (submarines and surface combatants).

Demand is supported by a U.S. naval buildup — submarine and surface-combatant programs, including the AUKUS submarine commitment — and by sustainment and overhaul work. It is a long-cycle, program-driven business with significant capacity-expansion and workforce challenges.

Market snapshot

Market size
~$30B
Growth
~3.7%CAGR (2017–22, nominal)
Companies
~410 firms
Firms by employee count

49% of firms have fewer than 20 employees: 201 micro-businesses, below most mandates.

The investable universe209 firms with 20+ employees
20–99
11957%
100–499
5325%
500+
3718%

Steady growth funded by a sustained shipbuilding plan, with revenue concentrated in a few yards holding decade-long backlogs. The firm count is misleading on its own — most firms are small boat and repair operations, while the program work sits in a handful of yards that are effectively unacquirable.

NAICS 336611. U.S. Census Bureau — 2022 Statistics of U.S. Businesses; U.S. Census Bureau — 2022 Economic Census.

Business model & economics

Revenue model

Naval shipbuilding and sustainment contracts

Key economics

Revenue per firm
$73,470,698
Revenue per employee
$305,213
Employees per firm
239.5
Recurring revenue
High

long-cycle programs and sustainment

EBITDA margin
Program-margin-driven
Capex intensity
High

Characteristics

  • Scale-driven — payroll is only 25% of revenue; the cost base is assets, not headcount
  • Moderate strategic-buyer pool — 37 firms exceed 500 employees; a scaled asset has buyers, but not many
  • Consolidated around Huntington Ingalls and General Dynamics.
  • Naval buildup (submarines, surface combatants, AUKUS).
  • Capacity-expansion and workforce challenges.

NAICS 336611. U.S. Census Bureau — 2022 Statistics of U.S. Businesses; U.S. Census Bureau — 2022 Economic Census.

Geographic concentration

AlabamaAlaskaArizonaColoradoFloridaGeorgiaIndianaKansasMassachusettsMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaHawaiiIowaKentuckyMarylandMichiganMontanaNew HampshireNew YorkOhioOregonTennesseeUtahWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode IslandMaineConnecticutMississippiVirginia

Naval shipbuilding concentrates at the major yards — Mississippi (Ingalls), Maine (Bath Iron Works), Virginia (Newport News), and Connecticut (Electric Boat).

MississippiMaineVirginiaConnecticut

U.S. Census Bureau — 2022 County Business Patterns (employment by state), NAICS 336611. Concentration shown by location quotient.

M&A deal context

Deal activityModerate

Who’s acquiring

  • Shipbuilding primes
  • Naval-systems & combat-systems strategics
  • Supply-chain consolidators

What’s driving deals

  • Naval-buildup and submarine-program demand.
  • Sustainment and overhaul work.
  • Supply-chain and capacity investment.

Verticals in this segment

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