R
- Razer
- Rubbermaid
- Rosendahl
- Ricoh
- Remington
- RadioShack
- Raychem
- RCA
- Reed
- Regal
- Regency
- Rex
- Rhino
- RIDGID
- Rotor
- Realtree
- Ralph Lauren
- Rothco
- Ritchey
- Rand McNally
- Restoration Hardware
- Russ
- Ryobi
- Raider
- Rivera Primo
- Rode
- Rycote
- Ram Mounts
- Renthal
- Ram
- Roland
- ROKINON
- Rollei
- Ross
- Realist
- Revere
- Raven
- Rogue
- Reebok
- REI
- Remo
- Rico
- Remco
- Revell
- Roma
- Rubie's
- rag & bone
- RAVE
- Rawlings
- Replay
- Roots
- RVCA
- Revo
- Roberu
- Rayovac
- Rolson
- Rugged Bear
- Recon
- Ranger
- Rain X
- Rapala
- Rebel
- Reach
- Rockshox
- Raytheon
- Rapid
- Rebecca Minkoff
- RiDATA
- Rosewill
- Reloop
- Rocketfish
- RDL
- Rolls
- Rasta Imposta
- Rocket Dog
- Ryka
- Renegade
- Resistol
- Rush
- Renaissance
- Roundup
- Radiant
- Rite Lite
- Rosco
- Rastar
- Resolve
- Regalo
- Reese
- Rolleiflex
- Raritan
- Radius
- Rite Aid
- Redken
- Radnor
- RAVPower
- Raspberry Pi
- RPS
- Renishaw
- RIC
- Rhodes
- Rubicon
- Raymarine
- ROWI
- Rockland
- RoadHawk
- Rockville
- ReTrak
- RoadPro
- Radians
- Rudy Project
- Raynox
- Rodenstock
- Rokunar
- Rolev
- Reflecta
- Radiac
- Revue
- Red Star
- Revolution
- RPS Studio
- Russell Outdoors
- ResMed
- Rimowa
- ROCCAT
- Rain
- RECOIL
- Realm
- RTI
- Retevis
- Ritron
- Rock Nutrients
- Reiko
- ROMOSS
- Raindrip
- Ritz
- Redrock Micro
- Ritchie
- RadioPopper
- Ravelli
- Redfield
- Rexton
- Roscoe
- Recon Outdoors
- Reconyx
- Revolabs
- Rotatrim
- Red Rock
- ROCK
- Reflections
- Roxant
- RetiCAM
- ROCKER
- REMAX
- Revuenon
- Revant
- RŌNIN
- Razo
- Ritz Gear
- Ritmo America
- Really Right Stuff
- REXATAR
- Rokina
- Really Right Stuff (RRS)
- Rocky Mountain
- Redged
- Rocolax