R
- RAC
- Radbar
- Ragni
- Rail and Tube Solutions
- Rapid
- Rawlplug
- Raytech
- RB Boss
- RB UK
- Red Gorilla
- Redex
- Refina
- Regatta
- Reisser
- Reliance Valves
- Reolink
- Retrotouch
- Rhino
- Richard Burbidge
- Ring
- Ring by Amazon
- RM Cylinders
- Roberts
- Robus
- Rolawn
- Ronseal
- Roof Pro
- Ross
- Rothenberger
- Rothley
- Roughneck
- Rowlinson
- RST
- Rubbermaid
- Rubi
- Rust-oleum Universal
- Rutland