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

The California Contractors State License Board (CSLB) lists 4,293 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 June 30, 2026.

Showing 3,001–3,060 of 4,293 contractors

1. Red Dot Digital Media INC

   Carlsbad, CA · CSLB #1049360 · as of June 30, 2026
   Active · clear
2. Red Fir Technology INC

   Danville, CA · CSLB #1143862 · as of June 30, 2026
   Active · clear
3. Red Light Telecom LLC

   Maywood, CA · CSLB #1150051 · as of June 30, 2026
   Active · clear
4. Redseven Communications LLC

   Sacramento, CA · CSLB #1096639 · as of June 30, 2026
   Active · clear
5. Red Smart Systems Low Voltage

   Canoga Park, CA · CSLB #1085474 · as of June 30, 2026
   Active · clear
6. Redwood Security Systems INC

   Mill Valley, CA · CSLB #426887 · as of June 30, 2026
   Active · clear
7. Security Central INC DBA Reed Brothers Security

   San Leandro, CA · CSLB #681462 · as of June 30, 2026
   Active · clear
8. Reef Audio Video

   Los Alamos, CA · CSLB #1013082 · as of June 30, 2026
   Active · clear
9. Reel Audio Video INC

   San Lorenzo, CA · CSLB #1089896 · as of June 30, 2026
   Active · clear
10. Reel Technologies INC

    El Cajon, CA · CSLB #1046540 · as of June 30, 2026
    Active · clear
11. Reference Designs INC

    Hermosa Beach, CA · CSLB #918426 · as of June 30, 2026
    Active · clear
12. Regent5 LLC

    San Carlos, CA · CSLB #1033103 · as of June 30, 2026
    Active · clear
13. Regent Datacom Systems INC

    Downey, CA · CSLB #1081482 · as of June 30, 2026
    Active · clear
14. Rei Consultants Incorporated

    Wilmington, CA · CSLB #963279 · as of June 30, 2026
    Active · clear
15. Reliable Business Concerns INC

    Everett, CA · CSLB #968227 · as of June 30, 2026
    Active · clear
16. Reliable Cable T V Contractors INC

    Gardena, CA · CSLB #810919 · as of June 30, 2026
    Active · clear
17. Reliable Fire And Security Solutions INC

    Madera, CA · CSLB #928226 · as of June 30, 2026
    Active · clear
18. Reliable Low Voltage Services

    Anaheim, CA · CSLB #1025702 · as of June 30, 2026
    Active · clear
19. Reliable Cabling Solutions INC DBA Reliable Security Data

    Mission Hills, CA · CSLB #1064964 · as of June 30, 2026
    Active · clear
20. Reliable Technical Services

    Sacramento, CA · CSLB #1023901 · as of June 30, 2026
    Active · clear
21. Reliable Technologies

    Santa Barbara, CA · CSLB #1070685 · as of June 30, 2026
    Active · clear
22. Reliable Telephone & Data INC

    Northridge, CA · CSLB #838338 · as of June 30, 2026
    Active · clear
23. A Reliance Communication Company

    Moreno Valley, CA · CSLB #994004 · as of June 30, 2026
    Active · clear
24. Relldan INC

    Huntington Beach, CA · CSLB #967525 · as of June 30, 2026
    Active · clear
25. Remote Techs INC

    Pacoima, CA · CSLB #1082067 · as of June 30, 2026
    Active · clear
26. Robert Michael Lee Rendon

    West Covina, CA · CSLB #898937 · as of June 30, 2026
    Active · clear
27. Renum Low Voltage Systems

    El Cajon, CA · CSLB #1131181 · as of June 30, 2026
    Active · clear
28. Repeated Signal Solutions INC

    Goleta, CA · CSLB #938428 · as of June 30, 2026
    Active · clear
29. Republic Elite Integration INC

    Sacramento, CA · CSLB #987312 · as of June 30, 2026
    Active · clear
30. Resi - Comm Electrical And Alarms

    Carmichael, CA · CSLB #611156 · as of June 30, 2026
    Active · clear
31. Residential Technology Services Corp

    Morgan Hill, CA · CSLB #1114200 · as of June 30, 2026
    Active · clear
32. Resonant Communication Systems

    Ben Lomond, CA · CSLB #640395 · as of June 30, 2026
    Active · clear
33. Resource One Low Voltage Security INC

    Ontario, CA · CSLB #1037327 · as of June 30, 2026
    Active · clear
34. Respond Communications Plus INC

    Santa Fe Springs, CA · CSLB #643634 · as of June 30, 2026
    Active · clear
35. Retrotel INC

    Palm Desert, CA · CSLB #858285 · as of June 30, 2026
    Active · clear
36. Revelations Integrated Services INC

    Monrovia, CA · CSLB #843543 · as of June 30, 2026
    Active · clear
37. Reverb Integration INC

    Los Angeles, CA · CSLB #1081070 · as of June 30, 2026
    Active · clear
38. Revol Av INC

    Newport Beach, CA · CSLB #1013834 · as of June 30, 2026
    Active · clear
39. Rey Communications

    San Jose, CA · CSLB #647850 · as of June 30, 2026
    Active · clear
40. RFC Wireless INC

    Fremont, CA · CSLB #1146413 · as of June 30, 2026
    Active · clear
41. Robert F Medlyn DBA R F M Integrations

    Grass Valley, CA · CSLB #816204 · as of June 30, 2026
    Active · clear
42. RG3 Comm

    Bakersfield, CA · CSLB #1121102 · as of June 30, 2026
    Active · clear
43. R G B Integrations

    Suisun, CA · CSLB #947165 · as of June 30, 2026
    Active · clear
44. Rhodes Network Services INC

    San Jose, CA · CSLB #935807 · as of June 30, 2026
    Active · clear
45. Richard Albert Electric INC

    San Francisco, CA · CSLB #1071498 · as of June 30, 2026
    Active · clear
46. Richardson's Phone Service

    San Diego, CA · CSLB #766297 · as of June 30, 2026
    Active · clear
47. Rich Rosensweig

    Long Beach, CA · CSLB #912010 · as of June 30, 2026
    Active · clear
48. Rici Network Cabling Solutions

    Newark, CA · CSLB #1148650 · as of June 30, 2026
    Active · clear
49. Right Fit INC

    Fresno, CA · CSLB #1128596 · as of June 30, 2026
    Active · clear
50. Rim Of The World Communications

    Running Springs, CA · CSLB #918709 · as of June 30, 2026
    Active · clear
51. Ring And Ping INC

    Santa Ana, CA · CSLB #958891 · as of June 30, 2026
    Active · clear
52. Ring Protect INC

    Yukon, CA · CSLB #1036223 · as of June 30, 2026
    Active · clear
53. Guillermo Rios

    Moreno Valley, CA · CSLB #1048454 · as of June 30, 2026
    Active · clear
54. Ris Communication Systems INC

    Valencia, CA · CSLB #1037373 · as of June 30, 2026
    Active · clear
55. Victor H Rivera

    Fountain Valley, CA · CSLB #1008472 · as of June 30, 2026
    Active · clear
56. Riverside Technologies INC

    Omaha, CA · CSLB #1135233 · as of June 30, 2026
    Active · clear
57. Riverview Systems Group INC

    Milpitas, CA · CSLB #542097 · as of June 30, 2026
    Active · clear
58. Rives Projects INC DBA Rives Low Voltage

    Los Angeles, CA · CSLB #988665 · as of June 30, 2026
    Active · clear
59. Riviera Av INC

    Santa Barbara, CA · CSLB #1073410 · as of June 30, 2026
    Active · clear
60. R J L Communications

    Torrance, CA · CSLB #660686 · as of June 30, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 30, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.