Brands
- SS-Cut
- Stainless Japan
- Stainless Supreme
- Standing Stone Cutlery
- Stanley Rogers
- Star
- Steer
- Steve Jernigan
- Stidhams Knives
- Stone
- Style
- SureFire
- Survirai?
- SVORD
- Swamp Fox
- Swan
- Swanner
- Swanner Cut Co.
- Swiss Army
- Switzerland
- Synanon
- Syracuse Knife Company
- T.S. Corp
- Taiwan
- Taiyo
- Tak
- Tak Blade
- Tak Fukuta
- Takeshi Saji
- Tako
- Tarani
- TASCO
- Tatou
- Taylor Cutlery
- Taylor Seto
- Taymor
- Technicraft
- Terryberry
- The Ideal
- Theater
- Things Remembered
- Thommes Diving
- Thornton
- Tiger
- Tim Holt
- Timberline
- Tom Buckner
- Tom Mix
- Tomahawk
- Tomcat
- TOP
- Trim
- Tropicana
- Tru-Bal
- Tsuge
- TWI-Craft
- Uline
- Ulster
- UMC
- Unbranded
- Underwater Kinetics
- Unisus
- United
- United Cutlery
- Unknown
- Unmarked
- US
- USA
- USMA
- USN
- Utica
- Valiant Armoury
- Vallotton/Clark
- Valor
- Vanadaloy
- Vanadium
- Vernco
- Victorinox
- Vilco
- Virginia
- Virginia Rostfrei
- W. Germany
- Wallace Cut Co
- Wallace Cut Co.
- Walther
- Walton's Thumb
- Warco
- Wards
- Wasabi
- Wayne
- WBC
- We
- Weidmannsheil
- Weinand
- Wenger
- Wenoka
- Western
- Western Cutlery
- Western States
- Westmark