The most common brands that offer these products include D'Addario, Pirastro, GEWA, Fender, DR Strings, Ibanez, Thomastik, Rotosound, Schecter, Seymour Duncan, Ernie Ball, Dunlop, Dean Markley, Aguilar, Elixir, Hipshot, EMG, Bobbiny, Spector, Yamaha, Petz, Valencia, Nordstrand, Darkglass a Bartolini. All brands