> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/naics/336611/ # NAICS code 336611: Ship Building and Repairing The companies classified under NAICS 336611, where they are based, how big they are and how the code maps to SIC. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** NAICS 336611 is the code for Ship Building and Repairing, in sector 31-33: Manufacturing. The companies counted under it are mostly small: 74% have 200 or fewer employees, and 39% are headquartered in the United States. ## What is NAICS 336611? NAICS 336611 is the code for Ship Building and Repairing. It belongs to sector 31-33: Manufacturing. NAICS, the North American Industry Classification System, is the standard U.S. government agencies use to sort businesses by what they mainly do, and each digit narrows the category. Most of the companies counted also carry SIC 3731, Shipbuilding and repairing, in the older SIC system (99%). NAICS is a North American system, so companies outside the US, Canada and Mexico are placed in it by classification. - 38% of the companies counted have 50 or fewer employees, and the middle one is in the 51 to 200 range. - The largest group is headquartered in the United States (39%). - Most were founded in the before 1960 (25%), then the 2010s (21%). **Figure: How NAICS 336611 is built.** The code 336611 split into its parts: sector 33, then subsector, industry group, NAICS industry and U.S. industry. *The six digits of NAICS 336611. Each digit narrows the category.* ## Which companies are classified under NAICS 336611? The biggest by headcount range include Naval Group, Navantia, S.A., S.M.E, Aibel, Fincantieri Marine Group and Chantiers De L'atlantique. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | Fincantieri Marine Group | Washington, DC | 1,001 to 5,000 | | Chantiers De L'atlantique | Saint-Nazaire, France | 1,001 to 5,000 | | Meyer Werft | Papenburg, Germany | 1,001 to 5,000 | | Meyer Turku | Turku, Finland | 1,001 to 5,000 | | Goltens Worldwide | Dubai, United Arab Emirates | 1,001 to 5,000 | | Damen Yachting | Zeeland, Netherlands | 501 to 1,000 | | Igy Marinas | Ft. Lauderdale, FL | 501 to 1,000 | | Arsenal Do Alfeite | Almada, Portugal | 501 to 1,000 | | Chantier Naval Couach - Cnc | Gujan-Mestras, France | 201 to 500 | | Conrad Shipyard | Morgan City, LA | 201 to 500 | | Alabama Shipyard | Mobile, AL | 201 to 500 | | Zodiac Milpro International | Paris, France | 201 to 500 | | Swiftships | Morgan City, LA | 201 to 500 | | Lita Ocean | Singapore, Singapore | 201 to 500 | | Lyon Shipyard | Norfolk, VA | 201 to 500 | | Senesco Marine | North Kingstown, RI | 201 to 500 | | Rossinavi | Viareggio, Italy | 51 to 200 | | Cantiere Delle Marche | Ancona, Italy | 51 to 200 | | Myklebust Verft | Gursken, Norway | 51 to 200 | | Pacific Shipyards International | Honolulu, HI | 51 to 200 | | Umoe Mandal | Mandal, Norway | 51 to 200 | | Ahm Marine L.L.C | Abu Dhabi, United Arab Emirates | 51 to 200 | | Cheoy Lee Shipyards | Kowloon, Hong Kong | 51 to 200 | | Steiner Shipyard | Bayou La Batre, AL | 51 to 200 | | Aicon Yachts | Pace Del Mela, Italy | 51 to 200 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## Where are NAICS 336611 companies based? The largest groups are headquartered in the United States (39%), France (7%) and Norway (7%). **Figure: Where companies in NAICS 336611 are based.** Bars for the share of counted companies in NAICS 336611 headquartered in each country: United States 39%, France 7%, Norway 7%, Spain 6%, Italy 6%, Singapore 6%, Finland 4%, United Kingdom 4%. *Share of counted companies in NAICS 336611 by headquarters country.* ## How big are the companies counted for NAICS 336611? 38% of them have 50 or fewer employees, and the middle one is in the 51 to 200 range. Companies with fewer than 11 employees are not counted. **Figure: Size of companies in NAICS 336611.** Seven columns for the share of counted companies in NAICS 336611 in each employee range: 11 to 50 38%, 51 to 200 36%, 201 to 500 10%, 501 to 1,000 7%, 1,001 to 5,000 8%, 5,001 to 10,000 0%, 10,001+ 1%. *Share of counted companies in NAICS 336611 in each employee range.* ## How old are NAICS 336611 companies? Most were founded in the before 1960 (25%), then the 2010s (21%). **Figure: When companies in NAICS 336611 were founded.** Eight columns for the share of counted companies in NAICS 336611 founded in each era: Before 1960 25%, 1960s 5%, 1970s 7%, 1980s 18%, 1990s 5%, 2000s 18%, 2010s 21%, 2020s 2%. *Share of counted companies in NAICS 336611 by the era they were founded in, for the ones that list a founding year.* ## How NAICS 336611 compares - 38% of companies in NAICS 336611 have 50 or fewer employees, against 60% across all NAICS codes on this site. ## How do NAICS 336611 companies describe themselves? A code is assigned by classification, and a company does not choose its own, so the label a company uses for itself can differ. The most common labels here are Shipbuilding (59%), Maritime Transportation (18%) and Oil and Gas (7%). **Figure: How companies in NAICS 336611 describe themselves.** Bars for the share of counted companies in NAICS 336611 that give each industry on their public profile: Shipbuilding 59%, Maritime Transportation 18%, Oil and Gas 7%, Maritime 6%. *Share of counted companies in NAICS 336611 by the industry they list on their public profile.* ## NAICS 336611 and the SIC system NAICS replaced SIC in 1997, but the two do not line up one to one: companies filed under one NAICS code can carry several SIC codes. These are the ones seen most. | Code | Title | Share of counted | | --- | --- | --- | | SIC 3731 | Shipbuilding and repairing | 99% | ## Where NAICS codes come from NAICS is maintained by the U.S. Census Bureau with Canada and Mexico and revised every five years; the current edition is NAICS 2022. To check exactly what a code includes, search the [official NAICS index](https://www.census.gov/naics/) or read the Census Bureau's [guide to understanding NAICS](https://www.census.gov/programs-surveys/economic-census/year/2022/guidance/understanding-naics.html). Pick a code by what a company mostly does, not by who it sells to. ## How do you reach the people at NAICS 336611 companies? The people to talk to are usually operations, supply chain and procurement leaders. You can build the list from this code in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the companies with NAICS code 336611 (Ship Building and Repairing) ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the operations, supply chain and procurement leaders at companies with NAICS code 336611, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Codes next to it: [NAICS 336612: Boat Building](https://enrich.chat/naics/336612/) Others in sector 31-33: [NAICS 325412: Pharmaceutical Preparation Manufacturing](https://enrich.chat/naics/325412/)[NAICS 326199: All Other Plastics Product Manufacturing](https://enrich.chat/naics/326199/)[NAICS 339112: Surgical and Medical Instrument](https://enrich.chat/naics/339112/)[NAICS 336390: Other Motor Vehicle Parts Manufacturing](https://enrich.chat/naics/336390/)[NAICS 332710: Machine Shops](https://enrich.chat/naics/332710/)[NAICS 312130: Wineries](https://enrich.chat/naics/312130/)[NAICS 333111: Farm Machinery and Equipment Manufacturing](https://enrich.chat/naics/333111/)[NAICS 334413: Semiconductor and Related Device](https://enrich.chat/naics/334413/) ## Frequently asked questions ### What is NAICS code 336611? NAICS 336611 is the code for Ship Building and Repairing, in sector 31-33: Manufacturing. ### What is the SIC code for NAICS 336611 (Ship Building and Repairing)? 99% of the companies counted carry SIC 3731 (Shipbuilding and repairing), but the two systems do not map one to one. ### Which companies are classified under NAICS 336611? The biggest by headcount range include Naval Group, Navantia, S.A., S.M.E, Aibel, Fincantieri Marine Group and Chantiers De L'atlantique. The page lists 25 with links to their profiles where we have them. ### Where are NAICS 336611 companies based? The largest groups are headquartered in the United States (39%), France (7%) and Norway (7%). ### How big are the companies in NAICS 336611? 38% have 50 or fewer employees, and the middle one is in the 51 to 200 range. Companies with fewer than 11 employees are not counted. ### How do I find a company's NAICS code? Search the official NAICS index at the U.S. Census Bureau for the code that matches what the company mostly does. Public companies in the US also list a SIC code in their SEC EDGAR profile. ## Try this prompt Find the people at NAICS 336611 companies ```text Use www.enrich.chat to find the operations, supply chain and procurement leaders at companies with NAICS code 336611, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 336612](https://enrich.chat/naics/336612/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)