All manufacturers Bertoldi's Braher Butcher Boy Heat Seal Hollymatic Jac La Minerva Omega Foodtech Robot Coupe Torrey Tre Spade Vacmaster Victorinox
Some companies require employees using knives different for each food group, thus limiting the risk of cross contamination.
The most common colors are:
Blue: Fishs Red: Meats Yellow: Poultrys
Green: Vegetables Orange : Fruts