R
- Razer
- Rubbermaid
- Rosendahl
- Ricoh
- RadioShack
- RCA
- Reed
- Regency
- Rex
- Rhino
- RIDGID
- Rotor
- Realtree
- Ralph Lauren
- Ravensburger
- Rothco
- Rainbow
- Rand McNally
- Raymond Waites
- Reliance
- Restoration Hardware
- Royal Doulton
- Russ
- Ryobi
- Red Sea
- Raider
- Rivera Primo
- Rode
- Rycote
- Ram Mounts
- Renthal
- Ram
- Rugged Ridge
- Roland
- ROKINON
- Rollei
- Ross
- Realist
- Revere
- Raven
- Rogue
- Reebok
- REI
- Remo
- Rico
- Remco
- Revell
- Roma
- Rubie's
- rag & bone
- Rawlings
- Replay
- Roots
- RVCA
- Revo
- Roberu
- Rugby
- Royal
- Rayovac
- Rugged Bear
- Ranger
- Rebel
- Reach
- Riptide
- Raytheon
- Rapid
- Riso
- RiDATA
- Rosewill
- Reloop
- Rocketfish
- Raxxess
- RDL
- Realistic
- Rolls
- R&R Games
- Ryka
- Renegade
- Rush
- Renaissance
- Roundup
- Room Essentials
- Ring
- Radiant
- Rite Lite
- Rosco
- Rastar
- Regalo
- Reese
- Rolleiflex
- Roku
- Raritan
- Rohde & Schwarz
- Radius
- Rite Aid
- Redken
- Radnor
- RAVPower
- Raspberry Pi
- RPS
- Renishaw
- RIC
- Rhodes
- Rubicon
- Raymarine
- ROWI
- Rockland
- Real Flame
- RoadHawk
- Rockville
- Recoton
- ReTrak
- RoadPro
- Radians
- Raynox
- Rodenstock
- Rokunar
- Rolev
- Reflecta
- Radiac
- Runtastic
- Revue
- Red Star
- Revolution
- Roman
- RPS Studio
- Russell Outdoors
- ResMed
- Rimowa
- ROCCAT
- Rain
- RECOIL
- RTI
- Retevis
- Ritron
- Rug Doctor
- Reiko
- Ritz
- Redrock Micro
- RadioPopper
- Ravelli
- Redfield
- Rexton
- Roscoe
- Renata
- Recon Outdoors
- Reconyx
- Radex
- Revolabs
- Rotatrim
- Royal Brites
- Red Rock
- RugGear
- Reflections
- Roxant
- RetiCAM
- ROCKER
- REMAX
- RhinoShield
- Revant
- RŌNIN
- Ready America
- Ritz Gear
- Ritmo America