Grand Slam Universal, LLC (GSU) is a full service electrical, low voltage, solar and locksmith contracting company that provides clients

Installation Support, Interoperable Web Information and Alert System, training through LMS eTMS for tracking/mgt, records completion compliant GIS mapping, GPS Tracking,

Janitorial and commercial cleaning service. We specialize in green cleaning and janitorial work, construction clean up, carpet and floor care,