Member Directory Record Detail Click here to do another search. Primary Systems, Inc. Address: 4000 Green Park Rd Saint Louis, MO 63125-3064 USA Membership Type: Contractor-Integrator Web: www.primary-systems.com Vertical Markets: Education: K-12 Healthcare Manufacturing Technologies: Audio/Sound Reinforcement Building Automation/Control & Command Collaboration/Unified Communications/Digital Media Data Communications/Networking/IT/Software Fire Alarm/Emergency Evacuation Systems Nurse Call/Life Safety/RTLS Paging/Intercom/Commercial Sound/Clocks/Sensors Security/Access Control/Surveillance/Video Management Soundmasking/Acoustical/Speech Privacy/Assistive Listening Telephony/VoIP/Hosted & Cloud Voice Solutions