Founded by Sal Glesser, Spyderco was first established in 1978. The company is currently located in Golden, Colorado. They are exclusively known for their various knives and knife sharpeners. The company began with this latter product and released their first knife in 1981.

Creating a trademark look and style from the onset, Spyderco knives are known for the round hole in each blade. This allows for the quickest, easiest, one-handed opening possible. They also claim to be the first manufacturers that utilized the clothing clip on the handle. Spyderco is responsible for many different kinds of knives, including fixed blades, folding blades, and locked blades.