Licensed Low Voltage Systems (C-7) contractors in California

The California Contractors State License Board (CSLB) lists 4,245 California contractors classified C-7 (Low Voltage Systems (C-7)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 8, 2026.

Showing 3,121–3,180 of 4,245 contractors

Security Control Integrators INC
Pine Brook, CA · CSLB #1036547 · as of October 8, 2026
Active · clear
Security For Less
Los Angeles, CA · CSLB #654577 · as of October 8, 2026
Active · clear
Security Of Los Angeles INC
Sun Valley, CA · CSLB #721397 · as of October 8, 2026
Active · clear
Security Pacific Alarm Services
Monterey Park, CA · CSLB #710466 · as of October 8, 2026
Active · clear
Security Plus
Chino, CA · CSLB #405128 · as of October 8, 2026
Active · clear
Security Plus Alarm Systems INC
San Jose, CA · CSLB #400654 · as of October 8, 2026
Active · clear
Security Plus CO
Los Angeles, CA · CSLB #575486 · as of October 8, 2026
Active · clear
Security Solutions
Tustin, CA · CSLB #1009905 · as of October 8, 2026
Active · clear
Security Solutions
Los Alamitos, CA · CSLB #772919 · as of October 8, 2026
Active · clear
Security Systems Techniques INC
San Diego, CA · CSLB #825146 · as of October 8, 2026
Active · clear
Security Systems Unlimited INC
Elk Grove, CA · CSLB #884812 · as of October 8, 2026
Active · clear
Secutech INC
San Jose, CA · CSLB #1070082 · as of October 8, 2026
Active · clear
Seeknet U S A
Torrance, CA · CSLB #1008450 · as of October 8, 2026
Active · clear
Selah Communications INC
Colton, CA · CSLB #1087822 · as of October 8, 2026
Active · clear
Select Electronic Design
Beverly Hills, CA · CSLB #774910 · as of October 8, 2026
Active · clear
Selective Security Systems INC
Nipomo, CA · CSLB #828051 · as of October 8, 2026
Active · clear
Semaphoric INC
Thousand Oaks, CA · CSLB #1017889 · as of October 8, 2026
Active · clear
Semper Fi Home Inspections
Temecula, CA · CSLB #941548 · as of October 8, 2026
Active · clear
Semper Fi Network Cabling INC
Escondido, CA · CSLB #916053 · as of October 8, 2026
Active · clear
Troy P Senkiewicz
Glendale, CA · CSLB #1070075 · as of October 8, 2026
Active · clear
Sensory Dynamics
San Jose, CA · CSLB #889677 · as of October 8, 2026
Active · clear
Sentry Alarm Systems
Monterey, CA · CSLB #619293 · as of October 8, 2026
Active · clear
Sentry Survelliance
Linden, CA · CSLB #999151 · as of October 8, 2026
Active · clear
Mark Sepulveda
Chatsworth, CA · CSLB #819496 · as of October 8, 2026
Active · clear
Sequoia Communications INC
San Francisco, CA · CSLB #1136620 · as of October 8, 2026
Active · clear
Sequoia Computer
Fulton, CA · CSLB #1086428 · as of October 8, 2026
Active · clear
Sequoyah Network Services
Redmond, CA · CSLB #975174 · as of October 8, 2026
Active · clear
Serban Sound & Communications
Bakersfield, CA · CSLB #401115 · as of October 8, 2026
Active · clear
Serv3 Networks
Modesto, CA · CSLB #1001314 · as of October 8, 2026
Active · clear
SF Security Pro INC DBA SF Security Camera Pro
San Francisco, CA · CSLB #1091642 · as of October 8, 2026
Active · clear
S G C Communications
Milpitas, CA · CSLB #892732 · as of October 8, 2026
Active · clear
Shade Shop
Sonoma, CA · CSLB #945225 · as of October 8, 2026
Active · clear
Sharp Network Services INC
Fontana, CA · CSLB #989155 · as of October 8, 2026
Active · clear
Shasta Low Voltage Integrations
Anderson, CA · CSLB #1039485 · as of October 8, 2026
Active · clear
Shaun's Telecom
Lakeside, CA · CSLB #946722 · as of October 8, 2026
Active · clear
Shelley's Stereo Hi-fi Center INC
Woodland Hills, CA · CSLB #915244 · as of October 8, 2026
Active · clear
Shell Wright Low Voltage Integrator
Redding, CA · CSLB #960691 · as of October 8, 2026
Active · clear
Shelton Communications
Yuba City, CA · CSLB #779341 · as of October 8, 2026
Active · clear
Steve Sheppard Low Voltage
Georgetown, CA · CSLB #1009521 · as of October 8, 2026
Active · clear
Sherif Gobran
Pomona, CA · CSLB #1135508 · as of October 8, 2026
Active · clear
Sherlock Surveilance
San Jose, CA · CSLB #979143 · as of October 8, 2026
Active · clear
Short Circuit
Cathedral City, CA · CSLB #1072127 · as of October 8, 2026
Active · clear
Showcomm
Castro Valley, CA · CSLB #871033 · as of October 8, 2026
Active · clear
Sierra Building Systems INC A Low Voltage Integrator
Rocklin, CA · CSLB #783225 · as of October 8, 2026
Active · clear
Sierra Controls LLC
Reno, CA · CSLB #989422 · as of October 8, 2026
Active · clear
Sierra Fire Alarm INC
Rocklin, CA · CSLB #1000515 · as of October 8, 2026
Active · clear
Sierra Integrated Systems LLC
Reno, CA · CSLB #1035202 · as of October 8, 2026
Active · clear
Sierra Security Systems INC
Bishop, CA · CSLB #552435 · as of October 8, 2026
Active · clear
Sierra Smart Home Systems
Truckee, CA · CSLB #861476 · as of October 8, 2026
Active · clear
Sierra Tel Business Systems
Oakhurst, CA · CSLB #810990 · as of October 8, 2026
Active · clear
Sight & Sound Security
Sunnyvale, CA · CSLB #692026 · as of October 8, 2026
Active · clear
Sight & Sound Technologies
Zephyr Cove, CA · CSLB #1135661 · as of October 8, 2026
Active · clear
Signal Path Technology Solutions LLC
Windsor, CA · CSLB #1155703 · as of October 8, 2026
Active · clear
Signals Audio/video INC
El Segundo, CA · CSLB #731769 · as of October 8, 2026
Active · clear
Signal Service INC
Angels Camp, CA · CSLB #634458 · as of October 8, 2026
Active · clear
Signal Solutions Corporation
Benicia, CA · CSLB #541778 · as of October 8, 2026
Active · clear
Silicon Valley Cable Company INC
San Jose, CA · CSLB #883764 · as of October 8, 2026
Active · clear
Silicon Valley Network Cabling
San Jose, CA · CSLB #707206 · as of October 8, 2026
Active · clear
Silicon Valley Telecom INC
San Jose, CA · CSLB #1072320 · as of October 8, 2026
Active · clear
Humberto Marcal Silva
Tampa, CA · CSLB #939069 · as of October 8, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.