Aero Precision
American Tactical (ATI)
Anderson Manufacturing
Armscor/RIA
Auto-Ordnance
B&T USA
Barrett
Benelli
Beretta
Bergara
Bersa
Black Rain Ordnance
Bond Arms
Browning
Canik
Century Arms
Chapuis Armes
Charles Daly
Charter Arms
Chiappa
Christensen
Cimarron
CMMG
Colt
Connecticut Valley Arms (CVA)
CZ-USA
Dan Wesson
Daniel Defense
Del-Ton
Diamondback
DPMS
EAA
Ed Brown
F-1 Firearms
Fausti
Fierce Firearms
FMK Firearms
FNH
Franchi
Geissele
Glock
Heckler & Koch
Henry
Heritage
Hi-Point
HM Defense
Howa
Inland Manufacturing
Iron Horse Firearms
Israel Weapon Industries (IWI)
J.P. Sauer & Sohn
JTS Group
Kahr
KelTec
Kimber
Kriss USA
Lewis Machine & Tool (LMT)
LWRC
Magnum Research
Marlin
Mauser
Maverick Arms
Military Armament Corp (MAC)
Mossberg
Nighthawk Custom
Norinco
North American Arms (NAA)
Nosler
Patriot Ordnance Factory
Phoenix Arms
Pointer
Polymer 80 Inc
Proof Research
PTR
Q LLC
Radical Firearms
Remington
Retay
Rock River Arms (RRA)
Rossi
Ruger
Sako
SAR USA
Savage
SCCY
Seekins Precision
Shadow Systems
Sig Sauer
Smith & Wesson
Springfield
Staccato Arms (STI)
Stag Arms
Stoeger
Tactical Solutions
Taurus
Taylor's & Co.
Tikka
Tisas
Tokarev Shotguns
Traditions
Trailblazer Firearms
TriStar
Troy Industries Inc
Uberti
Walther
Weatherby
Wilson Combat
Winchester
Windham Weaponry Inc
Zastava
Zev Technologies