GSI designs and supplies service entrance, paralleling, emergency, and normal distribution switchgear in medium and low voltage, both UL 1558 and UL 891 switchgear and dead-front switchboard construction.

GSI custom-designs new switchgear and provides retrofit controls for existing switchgear requiring system upgrades. GSI has been specializing in high-, medium-, and low-voltage switchgear for more than 25 years.