Global Systems United is an Arizona-based company offering a permitting, monitors, detectors, sensors, CO2 leak detection, and fire alarm systems. We provide installation and maintenance for all types of facilities team is dedicated to providing top-notch service and satisfaction for all of our clients. Contact us

and sales, fire alarm inspections and repairs, fire sprinkler inspections and repairs, fire hydrant flow tests, exit & emergency light inspections, restaurant hood fire suppression systems, and

, maintenance, testing, and sales of fire alarms, smoke detectors, carbon monoxide detectors, burglar alarms, surveillance systems, card access controls systems, monitoring services, and fire extinguisher

provide comprehensive fire protection services for commercial and residential buildings in Phoenix and Tucson. Our services include alarm system installation and maintenance