Company lists · Data refreshed September 2026

Top 25 Ship building companies based in the United States

Name: Ship building companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 181 companies tracked

RevenueBase identified 181 ship building companies headquartered in the United States as of September 2026 and tracks 19,595 professional contacts across them, including 1,526 with verified work emails. Seattle is the largest hub.

This list covers ship building companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

181Companies

19,595Contacts tracked

1,526Verified emails

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The 25 largest ship building companies based in the United States

Ranked by team size

Top 25 of 181 ship building companies based in the United States, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to ship building companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Newport News Shipbuilding, A Division Of HII	Partial evidence	Newport News, VA, United StatesHQ checked Sep 17, 2026	10001+	7,430 contacts →
	Partial evidence “For 137 years, the ships built at Newport News Shipbuilding, like the American shipbuilders who built them, have served our nation in peace and war, in times of adversity and in…” Source: RevenueBase Database · checked Sep 17, 2026
2	General Dynamics Nassco	Indirect evidence	San Diego, CA, United StatesHQ checked Sep 17, 2026	1,001-5,000	1,484 contacts →
	Indirect evidence “General Dynamics NASSCO traces its beginnings to the working waterfront of beautiful and historic San Diego Bay.” Source: RevenueBase Database · checked Sep 17, 2026
3	Bollinger Shipyards	Indirect evidence	Lockport, United StatesHQ checked Sep 17, 2026	5,001-10,000	853 contacts →
	Indirect evidence “Bollinger Shipyards is the leading provider of quality new construction, repair and conversion products and services to both the military and commercial marine industry.” Source: RevenueBase Database · checked Sep 17, 2026
4	Amsec Llc, A Subsidiary Of Huntington Ingalls Industries	Indirect evidence	Virginia Beach, VA, United StatesHQ checked Sep 17, 2026	1,001-5,000	627 contacts →
	Indirect evidence “The Fleet Support Group has more than 2,500 employees in over 35 locations across the globe, providing maintenance, modernization, unmanned systems development, engineering…” Source: RevenueBase Database · checked Sep 17, 2026
5	Hanwha Philly Shipyard	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 17, 2026	1,001-5,000	486 contacts →
	Indirect evidence “Trusted U.S.” Source: RevenueBase Database · checked Sep 17, 2026
6	Eastern Shipbuilding Group, INC	Indirect evidence	Panama City, FL, United StatesHQ checked Sep 17, 2026	1,001-5,000	317 contacts →
	Indirect evidence “Eastern Shipbuilding Group, Inc.(ESG) is an American owned and operated shipbuilder with three shipyards on the Florida Gulf Coast.” Source: RevenueBase Database · checked Sep 17, 2026
7	Colonna's Shipyard	Indirect evidence	Norfolk, VA, United StatesHQ checked Sep 17, 2026	501-1,000	276 contacts →
	Indirect evidence “We are Colonna's.” Source: RevenueBase Database · checked Sep 17, 2026
8	Conrad Shipyard	Indirect evidence	Morgan City, LA, United StatesHQ checked Sep 17, 2026	201-500	218 contacts →
	Indirect evidence “Conrad Shipyard specializes in the construction, conversion and repair of a wide variety of steel and aluminum marine vessels for commercial and governmental customers.” Source: RevenueBase Database · checked Sep 17, 2026
9	Gulf Copper	Partial evidence	Port Arthur, TX, United StatesHQ checked Sep 17, 2026	501-1,000	171 contacts →
	Partial evidence “Gulf Copper, a Davie Defense subsidiary, has been a leader in ship repair, fabrication, and marine services for more than 75 years, with facilities in Galveston and Port Arthur…” Source: RevenueBase Database · checked Sep 17, 2026
10	Pacific Ship Repair And Fabrication, INC	Partial evidence	San Diego, United StatesHQ checked Sep 17, 2026	51-200	130 contacts →
	Partial evidence “San Diego based ship repair facility” Source: RevenueBase Database · checked Sep 17, 2026
11	Propulsion Controls Engineering PCE	Partial evidence	San Diego, CA, United StatesHQ checked Sep 17, 2026	201-500	113 contacts →
	Partial evidence “PCE boasts a wealth of experience in successfully executing major system overhauls across numerous ports throughout the world on virtually every class of ship currently in…” Source: RevenueBase Database · checked Sep 17, 2026
12	BAY Ship & Yacht CO	Partial evidence	Alameda, CA, United StatesHQ checked Sep 17, 2026	201-500	108 contacts →
	Partial evidence “Bay Ship & Yacht Co.(BSY) was founded in 1977 by Bill Elliott with primary focus on the construction and repair of wooden ships.” Source: RevenueBase Database · checked Sep 17, 2026
13	Swiftships	Indirect evidence	Morgan City, LA, United StatesHQ checked Sep 17, 2026	201-500	107 contacts →
	Indirect evidence “Swiftships is an ISO 9001 certified, USA shipbuilder, and global defense contractor which offers end-to-end engineering, shipbuilding, testing, and delivery services for new…” Source: RevenueBase Database · checked Sep 17, 2026
14	Derecktor Shipyards	Indirect evidence	Mamaroneck, NY, United StatesHQ checked Sep 17, 2026	201-500	105 contacts →
	Indirect evidence “Established in 1947, Derecktor Shipyards has since become renowned for excellence in the construction, repair and refit of yachts, commercial and military vessels.” Source: RevenueBase Database · checked Sep 17, 2026
15	Southwest Shipyard, LP	Indirect evidence	Channelview, TX, United StatesHQ checked Sep 17, 2026	201-500	94 contacts →
	Indirect evidence “We construct, repair and service a broad range of barges and boats for the commercial and government marine industry.” Source: RevenueBase Database · checked Sep 17, 2026
16	Elliott BAY Design Group	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 17, 2026	51-200	80 contacts →
	Indirect evidence “Elliott Bay Design Group (EBDG) is a full-service, employee-owned naval architecture and marine engineering firm that supports owners, operators and shipyards.” Source: RevenueBase Database · checked Sep 17, 2026
17	Master Boat Builders, INC	Indirect evidence	Coden, AL, United StatesHQ checked Sep 17, 2026	201-500	73 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
18	Alabama Shipyard LLC	Indirect evidence	Mobile, AL, United StatesHQ checked Sep 17, 2026	201-500	72 contacts →
	Indirect evidence “The facility was initially established in 1916.” Source: RevenueBase Database · checked Sep 17, 2026
19	St. Johns Ship Building, INC	Indirect evidence	Palatka, FL, United StatesHQ checked Sep 17, 2026	51-200	72 contacts →
	Indirect evidence “St.” Source: RevenueBase Database · checked Sep 17, 2026
20	Lyman-Morse Boatbuilding	Indirect evidence	Thomaston, ME, United StatesHQ checked Sep 17, 2026	51-200	70 contacts →
	Indirect evidence “Lyman-Morse \| The Fusion of Design, Technology and Craftsmanship Lyman-Morse is a leader in the world of custom boatbuilding, full-service refit and repair, and marine technology.” Source: RevenueBase Database · checked Sep 17, 2026
21	Nichols Brothers Boat Builders	Indirect evidence	Freeland, WA, United StatesHQ checked Sep 17, 2026	201-500	69 contacts →
	Indirect evidence “Nichols Brothers Boat Builders is the Northwest's premiere custom boat builder specializing in steel and aluminum vessel construction, repair and major conversions for all vessel…” Source: RevenueBase Database · checked Sep 17, 2026
22	Westport Yachts	Indirect evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 17, 2026	501-1,000	69 contacts →
	Indirect evidence “Since the founding of the Westport Shipyard in 1964, we have built and launched a wide variety of vessels, from commercial fishing boats and fast passenger ferries to luxurious…” Source: RevenueBase Database · checked Sep 17, 2026
23	Continental Maritime Of SAN Diego	Partial evidence	San Diego, CA, United StatesHQ checked Sep 17, 2026	201-500	62 contacts →
	Partial evidence “With more than 40 years of ship repair excellence, Vigor Marine CM San Diego (VMG CMSD) – formerly known as Continental Maritime of San Diego (CMSD) – stands as a vital force on…” Source: RevenueBase Database · checked Sep 17, 2026
24	Senesco Marine LLC	Indirect evidence	North Kingstown, RI, United StatesHQ checked Sep 17, 2026	201-500	58 contacts →
	Indirect evidence “A pristine 26 acre ISO 9001 certified shipyard located on Narragansett Bay in Quonset Point, Rhode Island, U.S.A.” Source: RevenueBase Database · checked Sep 17, 2026
25	Dakota Creek Industries, INC	Indirect evidence	Anacortes, WA, United StatesHQ checked Sep 17, 2026	201-500	56 contacts →
	Indirect evidence “Located in Anacortes, WA, Dakota Creek Industries is a complete shipbuilding and repair facility specializing in construction and repair of steel and aluminum vessels up to 400…” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: ship building companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names ship building companies.
Partial evidence: Its own public description names part of ship building companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name ship building companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 181 ship building companies based in the United States

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Ship building companies based in the United States at a glance

As of Sep 17, 2026

7.8%Verified-email coverage

108.3Average contacts per company

11-50Median size (employees)

5.0%Largest-city concentration · Seattle

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 181 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among ship building companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “ship building companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names ship building companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among ship building companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 1,526 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names ship building companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many ship building companies are there based in the United States?

RevenueBase identified 181 ship building companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Newport News Shipbuilding, A Division Of HII, headquartered in Newport News, tops this list with the largest team on record.

Which city has the most ship building companies?

Seattle leads with 9 headquartered companies, followed by Houston (7) and Fort Lauderdale (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,526 verified decision-maker contacts tracked across these 181 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.