GHS produces a full line of strings for fretted instruments - electric, acoustic and classical guitar; electric bass; banjo; mandolin; pedal and steel guitar and much more. GHS Strings Corporation manufactures and markets strings for fretted musical instruments. The company produces strings for electric, pedal, steel, bass, and acoustic guitars; banjos; and mandolins. GHS was founded in 1964 and is based in Battle Creek, Michigan.