R
- Razer
- Rubbermaid
- Ricoh
- Remington
- RadioShack
- Raychem
- RCA
- Reed
- Reflex
- Regal
- Regency
- Rex
- Rhino
- RIDGID
- Rotor
- Realtree
- Ralph Lauren
- Rothco
- Rand McNally
- Renuzit
- Restoration Hardware
- Russ
- Rust-Oleum
- Ryobi
- Raider
- Rivera Primo
- Rode
- Rycote
- Ram Mounts
- Renthal
- Ram
- Roland
- ROKINON
- Rollei
- Ross
- Realist
- Revere
- Raven
- Rogue
- Reebok
- REI
- Remo
- Rico
- Revlon
- Rockford
- RIEDEL
- Revell
- RIO
- Riester
- Roma
- Rubie's
- rag & bone
- Rawlings
- Replay
- Roots
- Revo
- Roberu
- Rayovac
- Recon
- Ranger
- Rain X
- Rebel
- Reach
- Rockshox
- Raytheon
- Rapid
- RiDATA
- Rosewill
- Reloop
- Rocketfish
- RDL
- Rolls
- Ryka
- Renegade
- Resistol
- Rush
- Renaissance
- Roundup
- Radiant
- Rosco
- Rohl
- Resolve
- Regalo
- Rolleiflex
- Raritan
- Radius
- Rite Aid
- Redken
- Radnor
- RAVPower
- Raspberry Pi
- RPS
- RIC
- Rhodes
- Raymarine
- ROWI
- Rockland
- Rockville
- ReTrak
- Radians
- Rudy Project
- Raynox
- Rodenstock
- Rokunar
- Rolev
- Reflecta
- Radiac
- Runtastic
- Revue
- Red Star
- Revolution
- RPS Studio
- ResMed
- Rimowa
- ROCCAT
- Rain
- RECOIL
- Realm
- RTI
- Ritron
- Rock Nutrients
- Reiko
- ROMOSS
- Raindrip
- Ritz
- Redrock Micro
- RadioPopper
- Ravelli
- Redfield
- Roscoe
- Recon Outdoors
- Reconyx
- Revolabs
- Runco
- Red Rock
- ROCK
- Reflections
- Roxant
- RetiCAM
- ROCKER
- Revant
- RŌNIN
- Razo
- Ritz Gear
- Really Right Stuff
- REXATAR
- Rokina
- Really Right Stuff (RRS)
- Rocky Mountain
- RINCO
- Redged
- Rocolax
- Rokkor
- REMOVU
- Ready Rig
- Rylo
- RITEK
- ROAV
- Rangers
- RSPB
- Richter Optik
- Reolink
- RAGECAMS
- Ruggard
- Rivacase
- Reporter
- Regula
- Rexing
- Robus
- Robot
- Rime Lite
- Robins
- Radici
- ROLINE
- Rhodesy