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 7, 2026.

Showing 1,141–1,200 of 4,245 contractors

DC Plus Access Systems
Moreno Valley, CA · CSLB #1106422 · as of October 7, 2026
Active · clear
DCP Network Solutions LLC
Santa Clarita, CA · CSLB #1152575 · as of October 7, 2026
Active · clear
DCR Communication INC
Coachella, CA · CSLB #1097340 · as of October 7, 2026
Active · clear
D C S Communications INC
Boise, CA · CSLB #937948 · as of October 7, 2026
Active · clear
D D Audio Video
Manhattan Beach, CA · CSLB #1067974 · as of October 7, 2026
Active · clear
D D C M Tel
Sacramento, CA · CSLB #966400 · as of October 7, 2026
Active · clear
D D S Media Solutions
Aptos, CA · CSLB #999053 · as of October 7, 2026
Active · clear
Dean Custom Systems
Indio, CA · CSLB #928788 · as of October 7, 2026
Active · clear
De Armond Communication Company
Antelope, CA · CSLB #880083 · as of October 7, 2026
Active · clear
D E A Security Systems CO INC
Belmont, CA · CSLB #497512 · as of October 7, 2026
Active · clear
D&e A/v
San Jose, CA · CSLB #1033343 · as of October 7, 2026
Active · clear
Deep Valley Electric
Ukiah, CA · CSLB #638502 · as of October 7, 2026
Active · clear
Defentec Security
San Ramon, CA · CSLB #547780 · as of October 7, 2026
Active · clear
Defining Systems INC
Roseville, CA · CSLB #1029311 · as of October 7, 2026
Active · clear
Definition Electricals & Entertainment
Irvine, CA · CSLB #1151020 · as of October 7, 2026
Active · clear
De La Guerra Power INC
Los Angeles, CA · CSLB #471624 · as of October 7, 2026
Active · clear
Del Comm
Apple Valley, CA · CSLB #574061 · as of October 7, 2026
Active · clear
Delcomp Electric
Napa, CA · CSLB #629320 · as of October 7, 2026
Active · clear
Delgado A V
Simi Valley, CA · CSLB #919719 · as of October 7, 2026
Active · clear
Delmore Security Systems
Lake Forest, CA · CSLB #420514 · as of October 7, 2026
Active · clear
Delta Air Controls
Tracy, CA · CSLB #1129123 · as of October 7, 2026
Active · clear
Delta Telcom
Red Bluff, CA · CSLB #805398 · as of October 7, 2026
Active · clear
Deluxe Telephone Service INC
San Leandro, CA · CSLB #892325 · as of October 7, 2026
Active · clear
Denalect INC
Walnut Creek, CA · CSLB #382961 · as of October 7, 2026
Active · clear
Denventions
Auburn, CA · CSLB #907368 · as of October 7, 2026
Active · clear
Dependable Alarm Systems INC
Escondido, CA · CSLB #683079 · as of October 7, 2026
Active · clear
Derdan Enterprises
Lancaster, CA · CSLB #877993 · as of October 7, 2026
Active · clear
Desert Alarm INC
Palm Desert, CA · CSLB #862402 · as of October 7, 2026
Active · clear
Desert Cities Audio Video
Indio, CA · CSLB #937856 · as of October 7, 2026
Active · clear
Desert Designs Audio Video INC
Indian Wells, CA · CSLB #1032920 · as of October 7, 2026
Active · clear
Design Av Systems INC
North Hills, CA · CSLB #1019295 · as of October 7, 2026
Active · clear
Designer Sound Security Systems
Sherman Oaks, CA · CSLB #617423 · as of October 7, 2026
Active · clear
Desnet Network Services INC
San Jose, CA · CSLB #969620 · as of October 7, 2026
Active · clear
Detec Systems LLC
Bellingham, CA · CSLB #1065480 · as of October 7, 2026
Active · clear
Detel Communications
Los Angeles, CA · CSLB #1083700 · as of October 7, 2026
Active · clear
Deterrence Security System
North Hills, CA · CSLB #1097865 · as of October 7, 2026
Active · clear
DFV Cable
Auburn, CA · CSLB #1083831 · as of October 7, 2026
Active · clear
The DHC INC
Santa Monica, CA · CSLB #911187 · as of October 7, 2026
Active · clear
D H Pace Company INC
Olathe, CA · CSLB #851694 · as of October 7, 2026
Active · clear
DHS Security Systems INC
Costa Mesa, CA · CSLB #827244 · as of October 7, 2026
Active · clear
DH Systems
Northridge, CA · CSLB #1094955 · as of October 7, 2026
Active · clear
Dial Audio & Video
Escondido, CA · CSLB #1136734 · as of October 7, 2026
Active · clear
Dialtel
Oceanside, CA · CSLB #1031065 · as of October 7, 2026
Active · clear
Diamond Landscape Lighting
Santa Ana, CA · CSLB #962680 · as of October 7, 2026
Active · clear
Diamond Technologies INC
Bakersfield, CA · CSLB #964057 · as of October 7, 2026
Active · clear
Diatec Av
Thousand Oaks, CA · CSLB #928359 · as of October 7, 2026
Active · clear
Diconma INC
Cupertino, CA · CSLB #928521 · as of October 7, 2026
Active · clear
Digico
Los Angeles, CA · CSLB #1022276 · as of October 7, 2026
Active · clear
Digicom-networks INC
Corona, CA · CSLB #913916 · as of October 7, 2026
Active · clear
Digicomputing Systems INC
San Francisco, CA · CSLB #974559 · as of October 7, 2026
Active · clear
Digicom U S A
Yorba Linda, CA · CSLB #949027 · as of October 7, 2026
Active · clear
Digital Access Technology INC
Sun Valley, CA · CSLB #851888 · as of October 7, 2026
Active · clear
Digital Boy INC
Costa Mesa, CA · CSLB #959791 · as of October 7, 2026
Active · clear
Digital Communications
N Highlands, CA · CSLB #1140862 · as of October 7, 2026
Active · clear
Digital Design Technology
Upland, CA · CSLB #988496 · as of October 7, 2026
Active · clear
Digital Disclosure
San Francisco, CA · CSLB #1053488 · as of October 7, 2026
Active · clear
Digital Dreams Come True INC
Sacramento, CA · CSLB #913389 · as of October 7, 2026
Active · clear
Digital Empire
Spring Valley, CA · CSLB #1161692 · as of October 7, 2026
Active · clear
Digitalglue
Dana Point, CA · CSLB #1076977 · as of October 7, 2026
Active · clear
Digital Guard
Santa Cruz, CA · CSLB #652707 · as of October 7, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.