S
- Sabrefix
- Sadolin
- Salamander Pumps
- Samsung
- Sandtex
- Saniflo
- Sanus
- Saunier
- Saxby
- Scafftag
- Scheppach
- Scheppach Special Edition
- Schlegel
- Schneider Electric
- Scotch
- ScotchBlue
- Scott Safety
- Screw-Tite
- Screw-Tite 2
- Scruffs
- Seaward
- Security Solutions
- Sekosnap
- Select
- Select Products
- Senco
- Sengled
- Sentinel
- Serozzetta
- Sharpie
- Shire
- Showa
- Sievert
- Sika
- Silverline
- Silverline
- Silverscrew
- Simoniz
- SimonsVoss
- Simpson Strong-Tie
- Sioux Chief
- Siro
- Siroflex
- Site
- Skechers
- Skil
- Skipper
- Skyguard
- SLX
- Smartwares
- Smith And Locke
- SNAPA
- Snickers
- SockShop
- Solid Gear
- Solo
- Soudal
- Spa
- Space-Plug
- Spacepro
- Spax
- Spear And Jackson
- Spear And Jackson Predator
- Spill Kill
- Spit
- Splashback
- Splashwall
- Split Klick
- Square D
- Squire
- Stabila
- Stanley
- Stanley Bailey
- Starrett
- Stealthmounts
- Steinel
- Stelrad
- Sterling
- Sterling Steel
- Stiga
- Stockshop
- Stormguard
- Streetwize
- Strom
- Stuart Turner
- STV Pest Free
- Suki
- Sum Up
- Super Rod
- Supercove
- Superfoil Insulation
- Surestop
- Swann
- Swanson Tools
- Swarfega
- Swirl
- Swish
- Sylvania