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 1,981–2,040 of 4,293 contractors

1. Jay Hawk Jeong

   Tarzana, CA · CSLB #788108 · as of June 30, 2026
   Active · clear
2. Jonathan J Jeon

   Glendale, CA · CSLB #1070442 · as of June 30, 2026
   Active · clear
3. J & E Pro Audio INC

   San Diego, CA · CSLB #935104 · as of June 30, 2026
   Active · clear
4. Michael A Jerzykowski

   Merced, CA · CSLB #1064982 · as of June 30, 2026
   Active · clear
5. Jewell's Quality Home Systems

   Los Gatos, CA · CSLB #329008 · as of June 30, 2026
   Active · clear
6. Jewell's Quality Home Systems INC

   Los Gatos, CA · CSLB #955830 · as of June 30, 2026
   Active · clear
7. JFC Network & Cabling Solutions INC

   Roseville, CA · CSLB #1116727 · as of June 30, 2026
   Active · clear
8. J & F Communications INC

   Pico Rivera, CA · CSLB #1110672 · as of June 30, 2026
   Active · clear
9. JF Low Voltage Systems

   Huntington Beach, CA · CSLB #1119230 · as of June 30, 2026
   Active · clear
10. JG Aerial Communications

    Atwater, CA · CSLB #1075055 · as of June 30, 2026
    Active · clear
11. J G Comm INC

    San Dimas, CA · CSLB #802994 · as of June 30, 2026
    Active · clear
12. Jireh Communications

    Covina, CA · CSLB #988887 · as of June 30, 2026
    Active · clear
13. Jisatech Wireless INC

    Hercules, CA · CSLB #1002281 · as of June 30, 2026
    Active · clear
14. J & J Locksmiths

    Sacramento, CA · CSLB #542891 · as of June 30, 2026
    Active · clear
15. J & J Telecom & Electric INC

    Chino, CA · CSLB #888151 · as of June 30, 2026
    Active · clear
16. Jla Security Systems LLC

    Whittier, CA · CSLB #1120195 · as of June 30, 2026
    Active · clear
17. JLB Communications INC

    El Cajon, CA · CSLB #1136195 · as of June 30, 2026
    Active · clear
18. J & L Communications

    Dublin, CA · CSLB #853624 · as of June 30, 2026
    Active · clear
19. JL Integrated

    San Mateo, CA · CSLB #949712 · as of June 30, 2026
    Active · clear
20. J M C Security Solutions

    Chino, CA · CSLB #848373 · as of June 30, 2026
    Active · clear
21. J M Fiber Optics INC

    Chino, CA · CSLB #772630 · as of June 30, 2026
    Active · clear
22. J M G Security Systems INC

    Fountain Valley, CA · CSLB #575070 · as of June 30, 2026
    Active · clear
23. JM Telecoms LLC

    Redding, CA · CSLB #1104659 · as of June 30, 2026
    Active · clear
24. J M W Communications INC

    Ontario, CA · CSLB #1074991 · as of June 30, 2026
    Active · clear
25. J N D Electronics & Electrical

    San Jose, CA · CSLB #322129 · as of June 30, 2026
    Active · clear
26. J N T Systems Low Voltage

    Los Angeles, CA · CSLB #843730 · as of June 30, 2026
    Active · clear
27. J N Voice / Data Services

    Duarte, CA · CSLB #885038 · as of June 30, 2026
    Active · clear
28. Jobe Systems INC

    Escondido, CA · CSLB #986986 · as of June 30, 2026
    Active · clear
29. Jobra Wiring Solutions INC

    Riverside, CA · CSLB #1037718 · as of June 30, 2026
    Active · clear
30. Eric M Jockinsen

    Valley Center, CA · CSLB #522089 · as of June 30, 2026
    Active · clear
31. Joe Orlando

    Roseville, CA · CSLB #1128842 · as of June 30, 2026
    Active · clear
32. John Galt Communications INC

    Hayward, CA · CSLB #956598 · as of June 30, 2026
    Active · clear
33. Johnson Controls Security Solutions LLC

    Boca Raton, CA · CSLB #977249 · as of June 30, 2026
    Active · clear
34. Johnson Electronics

    Salinas, CA · CSLB #850025 · as of June 30, 2026
    Active · clear
35. Jonathan L Kramer

    Santa Monica, CA · CSLB #433113 · as of June 30, 2026
    Active · clear
36. Jordan Communications LLC

    Los Angeles, CA · CSLB #1150733 · as of June 30, 2026
    Active · clear
37. Mike Jordan

    San Jose, CA · CSLB #979530 · as of June 30, 2026
    Active · clear
38. Journeyman Level Telecom INC

    Oakley, CA · CSLB #901969 · as of June 30, 2026
    Active · clear
39. JRD Enterprises INC

    North Hollywood, CA · CSLB #788764 · as of June 30, 2026
    Active · clear
40. JR Security Systems Integrator

    Santa Clarita, CA · CSLB #1075910 · as of June 30, 2026
    Active · clear
41. J S Communications

    Anaheim, CA · CSLB #823948 · as of June 30, 2026
    Active · clear
42. Jtel Communications

    San Jose, CA · CSLB #1130401 · as of June 30, 2026
    Active · clear
43. Judco Communications

    Escondido, CA · CSLB #1124756 · as of June 30, 2026
    Active · clear
44. Jun Hyung Park

    Fountain Valley, CA · CSLB #1138398 · as of June 30, 2026
    Active · clear
45. Jupiter Wifi LLC

    Pasadena, CA · CSLB #1135163 · as of June 30, 2026
    Active · clear
46. Just Call Ben

    Chula Vista, CA · CSLB #843819 · as of June 30, 2026
    Active · clear
47. Just Connect Audio & Video

    Winnetka, CA · CSLB #1060982 · as of June 30, 2026
    Active · clear
48. Justice Av Solutions INC

    Louisville, CA · CSLB #1032666 · as of June 30, 2026
    Active · clear
49. Justified Technology Integrators

    Stockton, CA · CSLB #1089126 · as of June 30, 2026
    Active · clear
50. Just In Time Communications INC

    Ontario, CA · CSLB #890177 · as of June 30, 2026
    Active · clear
51. Justin Time Networks

    Antioch, CA · CSLB #1150697 · as of June 30, 2026
    Active · clear
52. Just One Touch

    Inglewood, CA · CSLB #893465 · as of June 30, 2026
    Active · clear
53. JV Fiber Optics

    Buena Park, CA · CSLB #1051877 · as of June 30, 2026
    Active · clear
54. J V Telecom

    Concord, CA · CSLB #938972 · as of June 30, 2026
    Active · clear
55. K3gs LLC

    Diamond Bar, CA · CSLB #1064281 · as of June 30, 2026
    Active · clear
56. Cherif Kaci

    El Cerrito, CA · CSLB #1098468 · as of June 30, 2026
    Active · clear
57. Helmut Kaczmarek

    Canyon Country, CA · CSLB #841838 · as of June 30, 2026
    Active · clear
58. Kalink Telecom INC

    Oceanside, CA · CSLB #959744 · as of June 30, 2026
    Active · clear
59. Kanga Connect

    Paso Robles, CA · CSLB #1149182 · as of June 30, 2026
    Active · clear
60. Kansora Communications Services

    San Rafael, CA · CSLB #747210 · 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.