S
- SAS Safety
- Save Phace
- Scepter
- Schlegel
- Schley
- Schumacher
- Sellmark Corporation
- SEM Paints
- Seymore of Sycamore
- SG Tool Aid
- Shamrock
- Shark
- Sharpe
- Sharpie
- Sheffield Research GTC
- Shoot Suit
- Shurtape
- Sidewinder
- Silvertronic
- Sir Tools
- Slide Sledge
- Slime
- Snyder
- Solar
- SOLDER-IT INC
- Solutions Plus
- Solv-Tec
- Sontara
- SP Air
- Spec Tools
- Sprayway
- STAHLWILLE
- Standard Abrasives
- Stanley Hand Tools
- Stant
- Steck Autobody
- Steelman
- Steinel
- Steiner
- Stockhausen
- Stone Quality Tools
- Strategic
- Streamlight
- Strike King Lure Company
- Style Line
- Sumner
- Sunex Tools
- Super Lube
- Super Test
- SUR&R Auto Parts
- Sure Shot
- SWAT Footwear
- Symtech
- Steele Products / All-Power
