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 2,881–2,940 of 4,245 contractors
- Active · clearQ C Splice INCHarbor City, CA · CSLB #1034429 · as of October 8, 2026
- Active · clearQovo Solutions INC DBA Qovo CommunicationsMorgan Hill, CA · CSLB #1058025 · as of October 8, 2026
- Active · clearQuad-team Technical Services INCLoma Linda, CA · CSLB #1100039 · as of October 8, 2026
- Active · clearQuality Alarm INCRedlands, CA · CSLB #559254 · as of October 8, 2026
- Active · clearQuality Alarm ServiceRedwood City, CA · CSLB #570590 · as of October 8, 2026
- Active · clearQuality Cable Installations INCNorthridge, CA · CSLB #557296 · as of October 8, 2026
- Active · clearQuality Low Voltage Systems INCSan Jose, CA · CSLB #918504 · as of October 8, 2026
- Active · clearQuality SoundStockton, CA · CSLB #496881 · as of October 8, 2026
- Active · clearQuality Technology Solutions INCReedley, CA · CSLB #1070396 · as of October 8, 2026
- Active · clearKelly Quan ResearchSan Francisco, CA · CSLB #878103 · as of October 8, 2026
- Active · clearQuantum AvSanta Cruz, CA · CSLB #1150234 · as of October 8, 2026
- Active · clearPamela Jeanne QuattlebaumBakersfield, CA · CSLB #1039100 · as of October 8, 2026
- Active · clearQuest Digital Solutions INCFullerton, CA · CSLB #1094642 · as of October 8, 2026
- Active · clearQuestivty CablingSanta Clara, CA · CSLB #986518 · as of October 8, 2026
- Active · clearQuest Media & Supplies INCRoseville, CA · CSLB #589553 · as of October 8, 2026
- Active · clearQuinn ElectronicsSanta Cruz, CA · CSLB #546417 · as of October 8, 2026
- Active · clearQuintanar Low Voltage SolutionsSanta Rosa, CA · CSLB #1161101 · as of October 8, 2026
- Active · clearR 3 J Network ServicesGilroy, CA · CSLB #843679 · as of October 8, 2026
- Active · clearRab-com LimitedHayward, CA · CSLB #566993 · as of October 8, 2026
- Active · clearRadcomRedlands, CA · CSLB #1042315 · as of October 8, 2026
- Active · clearRadiant Home AutomationWestlake Village, CA · CSLB #1059955 · as of October 8, 2026
- Active · clearRadotech Audio & Network SystemsBurbank, CA · CSLB #1149066 · as of October 8, 2026
- Active · clearRahi Construction ServicesFremont, CA · CSLB #1075790 · as of October 8, 2026
- Active · clearThe Rainier Group Fire SystemsPasadena, CA · CSLB #891274 · as of October 8, 2026
- Active · clearReiner De Los Santos DBA The Rainier Group-fire SystemsPasadena, CA · CSLB #491571 · as of October 8, 2026
- Active · clearRally Communications CompanyPalmdale, CA · CSLB #840460 · as of October 8, 2026
- Active · clearArnold John Ramirez IiiBakersfield, CA · CSLB #1058260 · as of October 8, 2026
- Active · clearRampart Surveillance SolutionsMurrieta, CA · CSLB #1048601 · as of October 8, 2026
- Active · clearRamsay CommunicationsSimi Valley, CA · CSLB #515275 · as of October 8, 2026
- Active · clearRam Technology Services LLCIrwindale, CA · CSLB #1158690 · as of October 8, 2026
- Active · clearR&a Multimedia INCSanta Clarita, CA · CSLB #1161007 · as of October 8, 2026
- Active · clearRanch & Coast Security And FireSan Diego, CA · CSLB #1149096 · as of October 8, 2026
- Active · clearGustavo RangelAlta Loma, CA · CSLB #988997 · as of October 8, 2026
- Active · clearRanger Installations INC DBA Ranger Audio Video IntegrationSan Ramon, CA · CSLB #999202 · as of October 8, 2026
- Active · clearRapid Communications Group INCPerris, CA · CSLB #1109614 · as of October 8, 2026
- Active · clearRapid Fire Safety & SecuritySt Louis, CA · CSLB #1114086 · as of October 8, 2026
- Active · clearNicholas RasmussenMenifee, CA · CSLB #966450 · as of October 8, 2026
- Active · clearRat Sound Systems INCCamarillo, CA · CSLB #949031 · as of October 8, 2026
- Active · clearRauland CaliforniaLa Mirada, CA · CSLB #842104 · as of October 8, 2026
- Active · clearRaven Security SurveillanceRancho Cucamonga, CA · CSLB #1040741 · as of October 8, 2026
- Active · clearRavl INCWest Covina, CA · CSLB #1151143 · as of October 8, 2026
- Active · clearR & B Electronics - Electrical ContractingRancho Cordova, CA · CSLB #416279 · as of October 8, 2026
- Active · clearR C CommunicationsTujunga, CA · CSLB #504776 · as of October 8, 2026
- Active · clearRCM Low Voltage Security ConsultingSan Diego, CA · CSLB #1106993 · as of October 8, 2026
- Active · clearR Comm INCFresno, CA · CSLB #914931 · as of October 8, 2026
- Active · clearRea Communications LLCSacramento, CA · CSLB #1156861 · as of October 8, 2026
- Active · clearReal SecurityHemet, CA · CSLB #972548 · as of October 8, 2026
- Active · clearRebich TechnologiesWindsor, CA · CSLB #1155189 · as of October 8, 2026
- Active · clearRed Box Business Solutions INCBrentwood, CA · CSLB #977581 · as of October 8, 2026
- Active · clearRedding Alarm And DesignRedding, CA · CSLB #935701 · as of October 8, 2026
- Active · clearRedding CommunicationsRedding, CA · CSLB #887627 · as of October 8, 2026
- Active · clearRed Dot Digital Media INCCarlsbad, CA · CSLB #1049360 · as of October 8, 2026
- Active · clearRed Fir Technology INCDanville, CA · CSLB #1143862 · as of October 8, 2026
- Active · clearRed Light Telecom LLCMaywood, CA · CSLB #1150051 · as of October 8, 2026
- Active · clearRedseven Communications LLCSacramento, CA · CSLB #1096639 · as of October 8, 2026
- Active · clearRed Smart Systems Low VoltageCanoga Park, CA · CSLB #1085474 · as of October 8, 2026
- Active · clearRedwood Security Systems INCMill Valley, CA · CSLB #426887 · as of October 8, 2026
- Active · clearReef Audio VideoLos Alamos, CA · CSLB #1013082 · as of October 8, 2026
- Active · clearReel Audio Video INCSan Lorenzo, CA · CSLB #1089896 · as of October 8, 2026
- Active · clearReel Technologies INCEl Cajon, CA · CSLB #1046540 · as of October 8, 2026
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.