| Electric Boat Corporation | Groton | CT | $70.2B |
| Huntington Ingalls Incorporated | Pascagoula | MS | $21.5B |
| Huntington Ingalls Inc. | Newport News | VA | $20.6B |
| Bath Iron Works Corporation | Bath | ME | $11B |
| National Steel And Shipbuilding Company | San Diego | CA | $8.6B |
| Austal USA, LLC | Mobile | AL | $4.29B |
| Davie Defense Inc. | Galveston | TX | $3.5B |
| Bollinger Shipyards Lockport, L.L.C. | Lockport | LA | $3.19B |
| Vigor Marine LLC | Portland | OR | $2.56B |
| Marinette Marine Corporation | Marinette | WI | $2.23B |
| Metro Machine Corp.Norfolk, VA · UEI J1FCJLK5LGU5 | Norfolk | VA | $2.19B |
| BAE Systems Maritime Solutions Norfolk Inc. | Norfolk | VA | $2.14B |
| BAE Systems Maritime Solutions San Diego Inc. | San Diego | CA | $1.95B |
| Textron Systems Corp. | New Orleans | LA | $1.8B |
| BAE Systems Land & Armaments L.P. | Maple Grove | MN | $1.76B |
| Bollinger Mississippi Shipbuilding, LLC | Pascagoula | MS | $1.51B |
| Rauma Marine Constructions Oy | Rauma | LANSI-SUOMEN LAANI | $1.12B |
| Detyens Shipyards Inc. | N Charleston | SC | $944M |
| Eastern Shipbuilding Group, Inc. | Panama City | FL | $840M |
| Continental Maritime Of San Diego, LLC | San Diego | CA | $762M |
| BAE Systems Maritime Solutions Jacksonville LLC | Jacksonville | FL | $743M |
| Marine Hydraulics International, LLC | Norfolk | VA | $742M |
| Birdon America Inc. | Denver | CO | $732M |
| East Coast Repair & Fabrication, LLC | Newport News | VA | $653M |
| Thoma-sea Marine Constructors, L.L.C. | Houma | LA | $649M |
| Metro Machine Corp.Bremerton, WA · UEI N7MEWB7D97U1 | Bremerton | WA | $592M |
| Epsilon Systems Solutions Inc. | Portsmouth | VA | $566M |
| Alabama Shipyard LLC | Mobile | AL | $559M |
| Colonna's Ship Yard, Incorporated | Norfolk | VA | $540M |
| Northstar Maritime Dismantlement Services, LLC | Vernon | VT | $534M |
| Sumitomo Heavy Industries, Ltd. | Shinagawa-ku | | $532M |
| Navantia, S.a., S.m.e. | Madrid | | $472M |
| Conrad Shipyard, L.L.C | Morgan City | LA | $472M |
| Pacific Shipyards International, LLC | Honolulu | HI | $457M |
| Epsilon Systems Solutions, Inc. | San Diego | CA | $395M |
| Prism Maritime, Inc. | Chesapeake | VA | $368M |
| Mare Island Dry Dock LLC | Vallejo | CA | $339M |
| Seatrium Repairs & Upgrades Pte. Ltd. | Singapore | | $330M |
| Oceaneering International Inc. | Chesapeake | VA | $285M |
| Defense Maritime Solutions, Inc. | Chesapeake | VA | $259M |
| Southcoast Welding & Manufacturing, LLC. | Chula Vista | CA | $246M |
| Marine Group Boat Works, LLC | Chula Vista | CA | $233M |
| Global Maritek Systems Inc. | Saint Augustine | FL | $233M |
| United States Marine Inc. | Gulfport | MS | $225M |
| Bay Ship & Yacht Co. | Alameda | CA | $222M |
| L3harris Maritime Services Inc. | Norfolk | VA | $213M |
| Fairlead Boatworks, Inc. | Newport News | VA | $191M |
| Cabras Marine Corporation | Piti | GU | $189M |
| Jag Alaska Inc. | Seward | AK | $182M |
| Owl International Inc. | Irvine | CA | $180M |
| Imia, LLC | Spanish Fort | AL | $174M |
| Lyon Shipyard Inc. | Norfolk | VA | $153M |
| Tecnico Corporation | Chesapeake | VA | $148M |
| Unithai Shipyard & Engineering Limited - Branch | Sriracha | | $144M |
| Brodogradiliste Viktor Lenac D.d. | Rijeka | | $133M |
| Lake Union Drydock Company | Seattle | WA | $130M |
| Erie Forge & Steel Inc. | Erie | PA | $129M |
| Silver Ships, Inc. | Theodore | AL | $129M |
| Yokohama Engineering Works, Ltd. | Yokohama-shi | KANAGAWA | $126M |
| Jag Industrial Services, Inc. | Jonesville | MI | $122M |
| Mitsubishi Heavy Industries, Ltd. | Tokyo | | $119M |
| Rhoads Industries, Inc. | Philadelphia | PA | $113M |
| Jag Ketchikan, LLC | Seward | AK | $111M |
| Ocean Bay Information And Systems Management, LLC | Anchorage | AK | $109M |
| Bollinger Mississippi Repair, LLC | Pascagoula | MS | $104M |
| Hanwha Ocean Co. Ltd. | Geoje-si | GYEONGSANGNAM-DO | $97.3M |
| Advanced Integrated Technologies, LLC | Norfolk | VA | $94.7M |
| Boston Ship Repair LLC | Boston | MA | $88.7M |
| Curtiss-wright Electro-mechanical Corp. | Chesapeake | VA | $87.4M |
| Walashek Industrial & Marine, Inc. | National City | CA | $86.7M |
| Gunderson Marine LLC | Portland | OR | $84.3M |
| United Support Services, Inc. | La Jolla | CA | $83.5M |
| Arab Shipbuilding & Repair Yard Co. (asry) | Hidd | | $82.1M |
| Swiftships, LLC | Morgan City | LA | $81.5M |
| Metro Machine Corp.Jacksonville, FL · UEI KBDQDSJL3U35 | Jacksonville | FL | $79.8M |
| Guam Industrial Services Inc. | Santa Rita | GU | $77.1M |
| Integrated Marine Services, Inc. | Chula Vista | CA | $74.3M |
| Mills Marine & Ship Repair LLC | Suffolk | VA | $73.5M |
| Lockheed Martin Corporation | Riviera Beach | FL | $71.8M |
| Lake Shore Systems, Inc. | Kingsford | MI | $68.2M |
| Bowhead Operations & Maintenance Solutions LLC | Springfield | VA | $68M |
| Confluence Corp. | Kapolei | HI | $67.8M |
| Metal Trades, LLC | Yonges Island | SC | $67.1M |
| Surface Technologies Corporation | Jacksonville | FL | $66.2M |
| Platypus Marine Inc. | Port Angeles | WA | $65M |
| G I Industrial-marine, LLC | Portsmouth | VA | $63.5M |
| Amee Bay, LLC | Anchorage | AK | $63.3M |
| Officine Meccaniche Navali E Fonderie San Giorgio Del Porto S.p.a. | Genova | | $59M |
| Propulsion Controls Engineering, LLC | San Diego | CA | $55.7M |
| GMD Shipyard Corp. | Brooklyn | NY | $55M |
| Snow & Company, Inc. | Seattle | WA | $51.2M |
| Bayonne Drydock & Repair Corp. | Bayonne | NJ | $50.5M |
| Pacific Power Group, LLC | Kent | WA | $50.2M |
| Curtiss-wright Electro-mechanical Corporation | Chula Vista | CA | $50M |
| Hosei Co. Ltd. | Sasebo | | $50M |
| Marisco, Ltd. | Kapolei | HI | $49.7M |
| Sunjin Entech Co.,ltd. | Busan | | $48.7M |
| Southwest Shipyard LP | Channelview | TX | $47M |
| Auxiliary Systems Inc. | Norfolk | VA | $46.4M |
| St Engineering Marine Ltd. | Singapore | | $41.9M |
