The following list of modern armament manufacturers presents major companies producing modern weapons and munitions. The companies are listed by their full name followed by the short form, or common acronym, if any, in parentheses. The country the company is based in, if the information is available, follows that.

• Armalite
• Armament Technology - Canada
• Alliant Techsystems
• Benelli
• Beretta
• Boeing Integrated Defense Systems (Boeing IDS) (incl. McDonnell Douglas)
• Bofors
• Birmingham Small Arms Company (BSA)
• Browning Arms Company (Browning) (part of FN)
• Bushmaster
• Bryno
• Colt's Manufacturing Company (Colt)
• Ceska Zbrojovka (CZ) (U.S. subsidiary named CZ-USA)
• Diemaco - Canada
• DPMS (Panther Arms)
• Fabrique Nationale (FN)
• Federal Cartridge Co.
• Franchi
• GIAT Industries
• GLOCK
• Heckler und Koch (H&K)
• Hi-Point Firearms (MKS Supplies)
• Israel Military Industries (IMI)
• Kahr Arms (Kahr)
• Kalashnikov (AK)
• Kimber Manufacturing (Kimber)
• Kongsberg Defence & Aerospace (KDA)
• Lebel
• Lee-Enfield
• Lockheed Corporation (Lockheed)
• Magnum Research Inc. (Desert Eagle)
• Mauser
• Marlin Firearms
• McDonnell Douglas: see Boeing IDS
• Metal Storm
• O. F. Mossberg & Sons, Inc. (Mossberg )
• Northrop Corporation (Northrop)
• Oerlikon
• Olympic Arms
• Para-Ordnance Manufacturing Inc - Canada
• Remington Arms (Remington)
• Royal Ordnance
• Sturm, Ruger, & Co. (Ruger)
• Savage Arms
• Sharps Rifle Manufacturing Company
• SIGARMS (SIG-Sauer)
• Smith & Wesson (S&W)
• Springfield, Inc. (manufactures arms today under the "Springfield Armory" name)
• Springfield Armory (former U.S. Army arsenal)
• Sphinx Systems Ltd.
• Sterling-Enfield (Sten)
• Forjeras Taurus
• Taser International
• Thompson
• Tokarev
• United Defense
• U.S. Repeating Arms Company (Winchester)
• Vickers
• Walther
• Weatherby
• Webley