- Bootleg
- Bootleg Inc.
- Boresnake
- Bravo Company "BCM"
- BreakFree
- Brouwer
- Browning
- Bullets 1st
- Bushmaster
- Bushnell
- Byrna
- C&H Precision
- C10 Era
- CAA MCK
- CCI
- Century Arms
- Charter Arms
- Chiappa
- Chip McCormick "CMC"
- Cimarron
- Citadel
- Cloud Defensive
- CMMG
- Cold Steel
- Colt's Manufacturing
- Columbia River Knife & Tool "CRKT"
- CompMag
- CorBon
- Crimson Trace
- Cross Armory
- Cross Industries
- Crucial Concealment
- CZ
- DAC
- Dan Wesson
- Daniel Defense
- DDT
- Dead Air Armament
- Del-Ton
- DeSantis Gunhide
- Diamondback
- Discreet Carry Concepts
- Doublestar Corp.
- DoubleTap
- DPMS
- DTF
- DuraMag
- Earmor
- Easyshot
- Elftmann Tactical