GSI was founded in 1994 as a Hampshire based electronic components distributor and specialist in lightning protection equipment. They support a wide range of components including, fuses, fuse holders, terminal, surge protection, lightning protection, semiconductors, led’s marine equipment, industrial switches, to name but a few. In addition, they can offer our core lightning protection range of Furse, Zymax, and PD devices through our online store, or we can support bigger projects via their dedicated account managers.