| Air Force Plant #77 | Ogden, | Utah, | USA |
| Allis-Chalmers Mfg Co | Milwaukee, | Wisconsin, | USA |
| American and British Manufacturing Corp | Bridgeport, | Connecticut, | USA |
| American Brake Shoe and Foundry Co | Mahwah, | New Jersey, | USA |
| American Locomotive Company (ALCO) | Schenectady, | New York, | USA |
| American Machine and Foundry Co | Brooklyn, | New York, | USA |
| American Ordnance Co | Bridgeport, | Connecticut, | USA |
| American Type Founders | Elizibeth, | New Jersey, | USA |
| Armstrong Whitworth | Gosforth, | England, | UK |
| Artillery Plant Number 8 | Yekaterinburg, | Russia, | USSR |
| Artillery Plant Number 9 | Yekaterinburg, | Russia, | USSR |
| Atelier de Construction de Puteaux (APX), | Puteaux, | Ile de France, | France |
| Ateliers de Tarbes (ATS) | Tarbes, | Hautes Pyrenees, | France |
| Ateliers et chantiers du Havre (ACH) | Le Havre, | Normandy, | France |
| AV Roe and Company (AVRO) | Browsfield Mill, Manchester, | England, | UK |
| Batignolles, Societe de Construction des (SCB) | Paris, | Ile de France, | France |
| Bendix | Mishawaka, | Indiana, | USA |
| Bethlehem Iron Company | Bethlehem, | Pennsylvania, | USA |
| Bethlehem Steel Co | Bethlehem, | Pennsylvania, | USA |
| Bochumer Verein fur Bergbau und Gubstahlfabrikation | Bochum, | North Rhine-Westphalia, | Germany |
| Boeing Aircraft Company | Seattle, | Washington, | USA |
| Bowen-McLaughlin-York | York, | Pennsylvania, | USA |
| British Aerospace Dynamics | Lostock, | England, | UK |
| British Aircraft Corporation (BAC) | Filton, | England, | UK |
| Brooks Locomotive Works (ALCO) | Dunkirk, | New York, | USA |
| Bullard Engineering Works | Bridgeport, | Connecticut, | USA |
| Byron Jackson Co | San Francisco, | California, | USA |
| Cadillac Gage | Detroit, | Michigan, | USA |
| Cadillac Tank Plant | Cleveland, | Ohio, | USA |
| Chain-Belt | Milwaukee, | Wisconsin, | USA |
| Charlotte Ordnance Missile Plant (Douglas) | Charlotte , | South Carolina, | USA |
| Chevrolet Division of General Motors | Grand Rapids, | Michigan, | USA |
| China Hai-Yang Electro-Mechanical Technology Academy | Beijing, | Beijing, | China, Peoples Republic of |
| Chrysler Corp | Highland Park, | Michigan, | USA |
| Cleveland Tank Plant | Brook Park, | Michigan, | USA |
| Colt's Patent Firearms Manufacturing Company | Hartford, | Connecticut, | USA |
| Compagnie des forges et acieries de la marine et dHomecourt | St Chamond, | Loire, | France |
| Convair Division of General Dynamics | San Diego, | California, | USA |
| David Lupton's Sons Co. | Philidelphia, | Pennsylvania, | USA |
| Dickson Gun Plant (Hughes Tool Co) | Houston | Texas, | USA |
| Dodge Brothers Co | Hamtramck, | Michigan, | USA |
| Douglas Aircraft Company | Santa Monica, | California, | USA |
| Draper Corp | Hopedale, | Massachusetts, | USA |
| Driggs-Seabury Co | Derby, | Connecticut, | USA |
| Duplex Printing Press Co | Battle Creek, | Michigan, | USA |
| Electromechanische Werke | Karlshagen, | Mecklenburg-Vorpommern, | Germany |
| Elswick Ordnance Company | Newcastle upon Tyne, | England, | UK |
| Fairey Aviation Co | Heaton Chapel, | England, | UK |
| Firestone Tire and Rubber Co | Akron, | Ohio, | USA |
| Fonderie Royale de Canons (FRC) | Liege, | Wallonia, | Belgium |
| Food Machinery and Chemical Corporation (FMC) | Santa Clara, | California, | USA |
| Frankfurter Maschinenbau, AG (FMA) | Frankfurt am Main, | Hesse, | Germany |
| Gehard Fieseler Werke | Kassel, | Hesse, | Germany |
| General Electric | Erie, | Pennsylvania, | USA |
| General Electric, Armament Systems | Burlington, | Vermont, | USA |
| Gio. Ansaldo & C | Genoa, | Liguria, | Italy |
| Glenn L. Martin Company | Denver, | Colorado, | USA |
| Glenn L. Martin Company | Orlando, | Florida, | USA |
| Hamburger Flugzeugbau | Hamburg, | Hamburg, | Germany |
| Hannifin Mfg Co | Cleveland, | Ohio, | USA |
| Henschel Flugzeug Werke AG | Kassel, | Hesse, | Germany |
| Hotchkiss et Cie | Saint Denis, | Ile de France, | France |
| Hughes Aircraft Corporation | Tucson, | Arizona, | USA |
| International Harvester | Fort Wayne, | Indiana, | USA |
| J G Brill Co | Philidelphia, | Pennsylvania, | USA |
| Jet Propulsion Labratory | Pasadena, | California, | USA |
| Koppers Co, Bartlett Hayward Div | Baltimore, | Maryland, | USA |
| Krupp AG | Essen, | North Rhine-Westphalia, | Germany |
| Krupp AG | Ingolstadt, | Bavaria, | Germany |
| L'arsenal de Bourges | Bourges, | Cher, | France |
| L'arsenal de Puteaux | Paris, | Ile de France, | France |
| Lockheed Missile Division | Sunnyvale, | California, | USA |
| Lufkin Foundry and Machine Co | Lufkin, | Texas, | USA |
| Marlin Arms Corp | New Haven, | Connecticut, | USA |
| MATRA -Engins Mecanique Aviation-Traction | Paris, | Ile de France, | France |
| Michigan Ordnance Missile Plant | Warren, | Michigan, | USA |
| Michigan Ordnance Missile Plant | Warren, | Michigan, | USA |
| Midvale Steel and Ordnance Co | Philadelphia, | Pennsylvania, | USA |
| Mittelwerk GmbH | The Kohnstein, | Thuringia, | Germany |
| Nambu Arms Manufacturing Company | Toyko, | Honshu, Kanto, | Japan |
| National Forge | Irvine, | Pensylvania, | USA |
| Naval Industrial Reserve Ordnance Plant (NIROP) | Pomona, | California, | USA |
| Naval Weapons Industrial Reserve Plant 7 | Dallas, | Texas, | USA |
| Noricum Maschinenbau und Handels-GmbH | Liezen, | Styria, | Austria |
| North American Aviation | Downey, | California, | USA |
| Northrop Corporation | Hawthorne, | California, | USA |
| Northrop Corporation | Ventura, | California, | USA |
| Northwestern Ordnance Co | Madison, | Wisconsin, | USA |
| Number 172 Plant, Motovilikha | Perm, | Russia, | USSR |
| Osaka Army Arsenal | Osaka, | Osaka Prefecture, | Japan |
| OTO Melara | Rome, | Lazio, | Italy |
| Pacific Car and Foundry | Renton, | Washington, | USA |
| Parish Pressed Steel | Reading, | Pennsylvania, | USA |
| Pettibone-Mulliken Corp | Chicago, | Illinois, | USA |
| Philco-Ford | Philidelphia, | Pennsylvania, | USA |
| Pressed Steel Car Company | Joliet, | Illinois, | USA |
| Pullman Standard Car Manufacturing Co | Hammond, | Indiana, | USA |
| R Hoe and Co, Inc | New York, | New York, | USA |
| Ratheon Missile Systems | Tucson, | Arizona, | USA |
| Redstone Arsenal | Huntsville, | Alabama, | USA |
| Rheinische Metallwaren und Maschinenfabrik AG | Dusseldorf, | North Rhine-Westphalia, | Germany |
| Rheinmetall Werke - Apolda | Apolda, | Thuringen, | Germany |
| Rheinmetall-Borsig | Marienfelde, | Berlin, | Germany |
| Rock Island Arsenal | Arsenal Island, | Illinois, | USA |
| Royal Armament Research and Development Establishment (RARDE | Sevenoaks, | England, | UK |
| Royal Navy Torpedo Factory | Alexandria, | Scotland, | UK |
| Royal Ordnance Factory | | England, | UK |
| Ruhrstahl AG | Witten, | North Rhine-Westphalia, | Germany |
| SA des Automobiles Delaunay-Belleville | St Denis, | Ile de France, | France |
| Savage Arms Co | Sharon, | Pennsylvania, | USA |
| Schneider et Cie | Le Creusot, | Bourgogne, | France |
| SkodaWerke | Plzen, | Plzen, | Czech Republic |
| Societe d'Outillage Mecanique et d'Usinage d'Artillerie | St Ouen, Paris, | Ile de France, | France |
| Sorel Industries, Ltd | Sorel, | Quebec, | Canada |
| Spandau Arsenal | Berlin, | Berlin, | Germany |
| Sperry Utah Co | Salt Lake City, | Utah, | USA |
| Standard Eng Co | | | USA |
| Standard Forgings Co | Indiana Harbor, | Indiana, | USA |
| Standard Steel Co | Burnham, | Pennsylvania, | USA |
| Studebaker Corp | Southbend, | Indiana, | USA |
| Symington-Anderson Corp | Rochester, | New York, | USA |
| The Oliver Farm Equipment Co | Shelbyville, | Ohio, | USA |
| United Engineering and Foundry Co | New Castle, | Pennsylvania, | USA |
| United Shoe Machinery Corp | Beverly, | Massachusetts, | USA |
| Uralmash | Yekaterinburg, | Sverdlovsk Oblast, | Russia, |
| US Army Picatinny Arsenal | Wharton, | New Jersey, | USA |
| US Naval Ordnance Plant | Forrest Park, | Illinois, | USA |
| US Naval Torpedo Station Alexandria | Alexandria, | Virginia, | USA |
| US Navy Yard Washington | Washington, | District of Columbia, | USA |
| V.A. Degtyarev Plant | Kovrov, | Vladimir Oblast, | Russia |
| Vickers, Sons and Maxim (VSM) | London, | England, | UK |
| Vickers-Armstrongs Ltd | Brooklands, | England, | UK |
| Vilter Manufacturing Co | Milwaukee, | Wisconsin, | USA |
| Walter Scott and Co | Plainfield, | New Jersey, | USA |
| Watervliet Arsenal | Watervliet, | New York, | USA |
| Western-Austin Co | Aurora, | Illinois, | USA |
| Willys Motor Company | Toledo, | Ohio, | USA |
| Winchester Repeating Arms Co | New Haven, | Connecticut, | USA |
| Wisconsin Gun Co | Milwaukee, | Wisconsin, | USA |
| Yoder Co | Cleveland, | Ohio, | USA |
| Yuba Manufacturing Co | Benecia, | California, | USA |
| ZWC - unidentified mark | , | , | Germany? |
