Defender
Defiance
Delta
Del-Ton
Delton
Derringer
Derya Arms
Desantis
Desantis Leather Goods
Desert Eagle
Desert Tech
Destructive Devices Industries
Deutsche Werke
DeVault Industries
DEVIL DOG ARMS
Dewalt
DFNDR
D-FUNK
DGFM
D&H Industries
DH Industries
D&H Tactical
Diamond Back
Diamondback
Diamond Dynamics
Diamondhead
Diana
Dickinson
Die Free Co
DIGGER ANCHOR
Diligent Defense Co
Dillon Precision
Disavowed
Discreet Ballistics
Discreet Carry Concepts
District
DJI
DKG Trading
D-LEAD
DMA
DMT
DNZ
Dnz Products
Do All Outdoors
Do All Traps
DOCS
Dogwood Shooting Supplies
DO-IT
Do-It Molds
Donation
Don Hume
Dorcy
DOTLINE DIVISION
Double Alpha
DoubleStar
Double Take Archery
DoubleTap
DoubleTap Ammunition
Doubletap Defense
Doughboy Tactical
Douglas
Down Range Tactical
DPMS
DPMS Panther Arms
Drago Gear
Drake Waterfowl
DRD Tactical
DREYSE
DRIFTMASTER
DR.SLICK
DRT Ammo
DRY CREEK
Drymate
DSA
DS Arms
DS Conceal
DSGW-LLC
DT Systems
DU-BRO