Licensed Electrical (C-10) contractors in California

The California Contractors State License Board (CSLB) lists 20,640 California contractors classified C-10 (Electrical (C-10)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of July 10, 2026.

Showing 13,381–13,440 of 20,640 contractors

Optima Power And LV INC
Irvine, CA · CSLB #1073411 · as of July 10, 2026
Active · clear
Optimum Electric
Huntington Beach, CA · CSLB #1004588 · as of July 10, 2026
Active · clear
Optimum Electrical INC
Tujunga, CA · CSLB #1032028 · as of July 10, 2026
Active · clear
Optimum Electrical Solutions
Downey, CA · CSLB #1145020 · as of July 10, 2026
Active · clear
Optimum Energy Services
Westlake Village, CA · CSLB #1003962 · as of July 10, 2026
Active · clear
Optimum Solar & Electric
Antelope, CA · CSLB #1092413 · as of July 10, 2026
Active · clear
Optimus Electric Services
Woodland, CA · CSLB #1026754 · as of July 10, 2026
Active · clear
Option One Electric
Riverside, CA · CSLB #952982 · as of July 10, 2026
Active · clear
Option One Solar
Apple Valley, CA · CSLB #985340 · as of July 10, 2026
Active · clear
Opulent Power Solutions LLC
Anaheim, CA · CSLB #1125004 · as of July 10, 2026
Active · clear
Theodore O'quin
Corona, CA · CSLB #965092 · as of July 10, 2026
Active · clear
Oracle Electric - Fire Alarms,life,and Safety INC
Fresno, CA · CSLB #1061346 · as of July 10, 2026
Active · clear
Oragon Electric
Lakewood, CA · CSLB #804365 · as of July 10, 2026
Active · clear
Osama Oraha Al-rais
Spring Valley, CA · CSLB #1017489 · as of July 10, 2026
Active · clear
Carlos Guzman Orellana
North Hollywood, CA · CSLB #705127 · as of July 10, 2026
Active · clear
Orange Cat Electric Service
San Diego, CA · CSLB #947616 · as of July 10, 2026
Active · clear
Orange Coast Electric INC
Orange, CA · CSLB #396028 · as of July 10, 2026
Active · clear
Orange Coast Solar INC
Irvine, CA · CSLB #1122855 · as of July 10, 2026
Active · clear
Orange County Certified Electric INC
Mission Viejo, CA · CSLB #1102090 · as of July 10, 2026
Active · clear
Orange County Electricians LLC
Irvine, CA · CSLB #1133600 · as of July 10, 2026
Active · clear
Mark Senk INC DBA Orange Solar
El Cajon, CA · CSLB #1081867 · as of July 10, 2026
Active · clear
Oran's Electric
Encino, CA · CSLB #940649 · as of July 10, 2026
Active · clear
Orbis Electrical Works
San Jose, CA · CSLB #1023506 · as of July 10, 2026
Active · clear
Orbis Nexus INC
Turlock, CA · CSLB #1117540 · as of July 10, 2026
Active · clear
Orbit Electric
San Francisco, CA · CSLB #951262 · as of July 10, 2026
Active · clear
Orbit Wiring Electric Systems INC
Los Angeles, CA · CSLB #1106996 · as of July 10, 2026
Active · clear
Orchard City Electric
Campbell, CA · CSLB #1027433 · as of July 10, 2026
Active · clear
Leo Orciuoli Electrical Contracting
El Dorado Hills, CA · CSLB #852803 · as of July 10, 2026
Active · clear
Rene Ordonez
Los Angeles, CA · CSLB #956777 · as of July 10, 2026
Active · clear
Ore Electric
La Mirada, CA · CSLB #1140893 · as of July 10, 2026
Active · clear
Oregon Electric Group
Portland, CA · CSLB #820607 · as of July 10, 2026
Active · clear
O'reilly Electrical
San Mateo, CA · CSLB #933245 · as of July 10, 2026
Active · clear
O'reilly Electric INC
Martinez, CA · CSLB #691491 · as of July 10, 2026
Active · clear
O R Electrical Company
San Juan Capistrano, CA · CSLB #1058798 · as of July 10, 2026
Active · clear
Art Orendain Electric
Fontana, CA · CSLB #733920 · as of July 10, 2026
Active · clear
Nicholas Oreskovich
Lomita, CA · CSLB #1010053 · as of July 10, 2026
Active · clear
Organ & Sons Mechanical INC
Santa Maria, CA · CSLB #997854 · as of July 10, 2026
Active · clear
Original Energy CO
Arroyo Grande, CA · CSLB #820285 · as of July 10, 2026
Active · clear
The Original Plumbing Company INC
Rancho Cucamonga, CA · CSLB #833096 · as of July 10, 2026
Active · clear
Origin Electrical California Incorporated
West Hills, CA · CSLB #1129281 · as of July 10, 2026
Active · clear
Origins Electric LLC
Dulzura, CA · CSLB #1057069 · as of July 10, 2026
Active · clear
Origin Volt Electric
San Bernardino, CA · CSLB #1150091 · as of July 10, 2026
Active · clear
Orion Electric
Escondido, CA · CSLB #991271 · as of July 10, 2026
Active · clear
Orion Electric
San Jose, CA · CSLB #787778 · as of July 10, 2026
Active · clear
Orion Electric CO
Van Nuys, CA · CSLB #543252 · as of July 10, 2026
Active · clear
Orion Security Systems
Pico Rivera, CA · CSLB #769583 · as of July 10, 2026
Active · clear
Orion Solar And Electric
Yuba City, CA · CSLB #1078291 · as of July 10, 2026
Active · clear
O R Nikken INC
Tarzana, CA · CSLB #938373 · as of July 10, 2026
Active · clear
Oro Electric INC
Reseda, CA · CSLB #1138828 · as of July 10, 2026
Active · clear
Oroville Electric
Oroville, CA · CSLB #1125793 · as of July 10, 2026
Active · clear
Eduardo Enrique Orozco
Los Angeles, CA · CSLB #967006 · as of July 10, 2026
Active · clear
Rafael Orozco
Long Beach, CA · CSLB #805743 · as of July 10, 2026
Active · clear
Orozco's Electric INC
Downey, CA · CSLB #1136082 · as of July 10, 2026
Active · clear
Orr Electric
Welington, CA · CSLB #927227 · as of July 10, 2026
Active · clear
Orr Protection Systems INC
Louisville, CA · CSLB #952133 · as of July 10, 2026
Active · clear
Ortega Electric
Jurupa Valley, CA · CSLB #1111873 · as of July 10, 2026
Active · clear
Ortega Electric
Hollister, CA · CSLB #1120192 · as of July 10, 2026
Active · clear
Ortega Electric
Yucaipa, CA · CSLB #1024940 · as of July 10, 2026
Active · clear
Ortega Electric
Visalia, CA · CSLB #1080474 · as of July 10, 2026
Active · clear
Ortega Electrical Services
Moreno Valley, CA · CSLB #1096960 · as of July 10, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 10, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.