GSM specializes in OEN and private label products. Our company manufactures the finest fretted instrument strings available in the U.S.A. Collectively, our staff has 75 years of string making experience. Our string products are made by our own expert machinists on our custom made machines.

From standard electric guitar sets to custom gauge acoustic sets and everything in between, GSM can satisfy all of your needs from the ball ends to the winding to the final packaging. Serving only the trade and very competitive. Our In-house print shop will assist in your completion of your private label full color wrapper and printing of individual envelopes.