EST4 HCI

By Genious / July 23, 2026

EST4 HCI

We are a licensed C-7, C-10, and C-16 systems integration contractor, offering a full spectrum of services including sales, engineering, installation, service, and maintenance. As a trusted systems integrator, we proudly represent and partner with many of the industry’s leading manufacturers and vendors in fire life safety, access, nurse call, ERRCS/DAS and electronic security solutions.

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Service Areas

San Diego
Fresno
San Francisco
Sacramento
Los Angeles
Irvine
Ontario
Pleasanton

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License Information

C-7, C-10, C16 Lic #905493
UL Listed Company
ACO Lic #7180

24 Hour Service Toll-Free 877-331-2084

New Service Areas

San Jose Fire Protection
Bakersfield Fire Protection
Inland Empire Fire Protection
Central Coast Fire Protection
Coachella Valley Fire Protection
Monterey Peninsula Fire Protection

Additional Services

Fire Extinguishers
Kitchen Suppression Systems
Mass Notification Systems
Emergency & Exit Lighting
Elevator Recall
Area of Refuge & Two-Way Communication
REG4 & Title 19 Testing

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