firearms

 Alexander Arms
American Classic
American Tactical Imports
Anderson 
Anschutz
AREX
ArmaLite
Armscor/Rock Island Armory
Arsenal 
ATI
Auto-Ordnance
Beretta
Bergara
Bersa
Blaser Sauer USA
Bond Arms Inc.
Browning
Bushmaster 

 Century

 Charles Daly

 Charter Arms

 Chiappa Firearms Ltd. 

Chipmunk

 Cimarron 

 Glock
Grand Power
Harrington & Richardson
Head Down
Heckler & Koch
Heizer Defense
Henry Repeating Arms
Heritage Manufacturing
Hi-Point Firearms
Honor Defense
Hornady
Howa
Hudson

 Icon Marketing Group

 Inland Interstate Arms Corp

 Iver Johnson

 IWI

 Just Right Carbines

 Kahr Arms 

 Kalashnikov USA 

 Kel-Tec

 Kriss

 LaserLyte

 Legacy Sports 

 POF USA
Pointer
Pro Mag
PTR 91 Inc.
PTR INDUSTRIES
Puma
Radical Firearms
Redfield
Regent
Remington
Republic Forge
Riley Defense
Rossi
Ruger 

  Sabatti 

 Sako Savage Arms

 SCCY Industries

 Sig Sauer

 Smith & Wesson

 Sphinx Springfield Armory

 Stag Arms

 Standard Manufacturing 

 Steyr

 Taurus 

 Citadel
CMMG
Colt
Comanche
CORE15
Crickett
Crimson Trace
CVA
CZ USA
Daniel Defense
Defiance
Del-Ton
Diamondback Firearms
Double Tap
DPMS
E.M.F
EOTech Inc.
​European American Armory
Excel Arms

FN Manufacturing, Inc. 

Franchi 

Freedom Ordance

 German Sport

Les Baer Custom
Leupold
Llama
LWRC International
Lyman
MAC Firearms
Magnum Research
Marlin
Mauser USA
Maverick
Metro Arms/SPS
MOLOT
Mossberg International
MPA

 Navy Arms

 New England Firearms

 NikkoStirling

 North American Arms Noveske Para USA

Pedersoli 

Plinker Tactical

Thompson Center
Thureon Defense
Tikka
TNW Firearms
Traditions
Trailblazer
Tristar
Troy Industries
U.S. Firearms
U.S. Repeating Arms (Winchester)
Umarex USA
USSG Inc
Volquartsen Custom
Walther
Weatherby
Winchester 
Windham Weaponry
Zeiss
Zenith Firearms