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 3,361–3,420 of 4,245 contractors

1. Ryan Stewart Communications

   Livermore, CA · CSLB #1023491 · as of October 8, 2026
   Active · clear
2. Stewart Telecommunications

   Eureka, CA · CSLB #941610 · as of October 8, 2026
   Active · clear
3. Stone Communications

   Kingsburg, CA · CSLB #1138388 · as of October 8, 2026
   Active · clear
4. Stone Controls INC

   Roseville, CA · CSLB #860215 · as of October 8, 2026
   Active · clear
5. Stoner's Audio Video

   Fontana, CA · CSLB #959773 · as of October 8, 2026
   Active · clear
6. Stone Security LLC

   Salt Lake City, CA · CSLB #1081095 · as of October 8, 2026
   Active · clear
7. Stoptech Incorporated

   West Chester, CA · CSLB #941997 · as of October 8, 2026
   Active · clear
8. Straede Low Voltage Systems

   Santa Barbara, CA · CSLB #1128077 · as of October 8, 2026
   Active · clear
9. Stratagem INC

   Commerce, CA · CSLB #1092623 · as of October 8, 2026
   Active · clear
10. Straughn Communications INC

    Napa, CA · CSLB #703257 · as of October 8, 2026
    Active · clear
11. Streamline A/v

    Hayden, CA · CSLB #1045868 · as of October 8, 2026
    Active · clear
12. Streamline Cable INC

    Spokane, CA · CSLB #1147835 · as of October 8, 2026
    Active · clear
13. Streamline Communications INC

    Fresno, CA · CSLB #1065056 · as of October 8, 2026
    Active · clear
14. Strictly Audio

    Mission Viejo, CA · CSLB #876126 · as of October 8, 2026
    Active · clear
15. Strong Network Solutions

    North Hollywood, CA · CSLB #1093396 · as of October 8, 2026
    Active · clear
16. Structure Cable Communications INC

    La Mirada, CA · CSLB #1153310 · as of October 8, 2026
    Active · clear
17. Structured Cabling Communication

    Pacoima, CA · CSLB #894263 · as of October 8, 2026
    Active · clear
18. Structured Wiring

    Marina Del Rey, CA · CSLB #838191 · as of October 8, 2026
    Active · clear
19. Structure Net INC

    Livermore, CA · CSLB #1064400 · as of October 8, 2026
    Active · clear
20. Stsystems INC

    Redding, CA · CSLB #949916 · as of October 8, 2026
    Active · clear
21. Studio Spectrum INC

    Burbank, CA · CSLB #996920 · as of October 8, 2026
    Active · clear
22. Style Home Theaters LLC

    Hermosa Beach, CA · CSLB #1000157 · as of October 8, 2026
    Active · clear
23. Suarez Low Voltage

    Long Beach, CA · CSLB #1090679 · as of October 8, 2026
    Active · clear
24. Subzero Vision

    Palmdale, CA · CSLB #1004544 · as of October 8, 2026
    Active · clear
25. Sultani Audio Video Security

    Valley Village, CA · CSLB #1011637 · as of October 8, 2026
    Active · clear
26. Summers Plus Communications

    Torrance, CA · CSLB #718555 · as of October 8, 2026
    Active · clear
27. Summit Assembly LLC

    Louisville, CA · CSLB #1100412 · as of October 8, 2026
    Active · clear
28. Summit A V & Automation INC

    Livermore, CA · CSLB #1055563 · as of October 8, 2026
    Active · clear
29. Summit Communication Technologies

    Mammoth Lakes, CA · CSLB #883953 · as of October 8, 2026
    Active · clear
30. Summit Riser Systems INC

    Irvine, CA · CSLB #786418 · as of October 8, 2026
    Active · clear
31. Sumtech

    Sausalito, CA · CSLB #1078846 · as of October 8, 2026
    Active · clear
32. Sunnymead Communication Systems INC

    Riverside, CA · CSLB #812231 · as of October 8, 2026
    Active · clear
33. Sunrise Communications

    Aliso Viejo, CA · CSLB #886494 · as of October 8, 2026
    Active · clear
34. Sunset Security And Automation

    Camarillo, CA · CSLB #1149650 · as of October 8, 2026
    Active · clear
35. Sunset Security & Communications

    Morongo Valley, CA · CSLB #505293 · as of October 8, 2026
    Active · clear
36. Sunset Studios Media Solutions INC

    Beverly Hills, CA · CSLB #803603 · as of October 8, 2026
    Active · clear
37. Sunwise Global Corporation

    Irvine, CA · CSLB #1162225 · as of October 8, 2026
    Active · clear
38. Supercom Communications

    Simi Valley, CA · CSLB #786524 · as of October 8, 2026
    Active · clear
39. Superior Alarm Company

    Santa Cruz, CA · CSLB #489855 · as of October 8, 2026
    Active · clear
40. Superior Alarm Systems

    Canoga Park, CA · CSLB #782737 · as of October 8, 2026
    Active · clear
41. Superior Communications Outfitters LLC

    Flint, CA · CSLB #1065294 · as of October 8, 2026
    Active · clear
42. Superior Security Systems INC

    El Sobrante, CA · CSLB #668546 · as of October 8, 2026
    Active · clear
43. Superior Tech Integrations

    Fresno, CA · CSLB #1035786 · as of October 8, 2026
    Active · clear
44. Superior Technology Systems

    San Jose, CA · CSLB #1111599 · as of October 8, 2026
    Active · clear
45. Supermatrix Communications

    Rowland Heights, CA · CSLB #1082158 · as of October 8, 2026
    Active · clear
46. Supervision

    Los Angeles, CA · CSLB #602556 · as of October 8, 2026
    Active · clear
47. Supply A

    San Diego, CA · CSLB #1140155 · as of October 8, 2026
    Active · clear
48. Supreme Vision C C T V

    Corona, CA · CSLB #1020669 · as of October 8, 2026
    Active · clear
49. Surf City Audio Video

    Huntington Beach, CA · CSLB #1084113 · as of October 8, 2026
    Active · clear
50. Surfnet Communications INC

    Scotts Valley, CA · CSLB #1104359 · as of October 8, 2026
    Active · clear
51. Surveillance Audio Video INC

    Lincoln, CA · CSLB #1145544 · as of October 8, 2026
    Active · clear
52. Surveillance Camera Installation CO

    Newport Beach, CA · CSLB #1051016 · as of October 8, 2026
    Active · clear
53. Surveillance Integration

    Fresno, CA · CSLB #927851 · as of October 8, 2026
    Active · clear
54. Surveillance International LLC

    Gardena, CA · CSLB #1134410 · as of October 8, 2026
    Active · clear
55. Surveillance One INC

    Erie, CA · CSLB #1003254 · as of October 8, 2026
    Active · clear
56. Surveillance Systems Integration INC

    Rocklin, CA · CSLB #887051 · as of October 8, 2026
    Active · clear
57. Sutter Buttes Communications INC

    Yuba City, CA · CSLB #1159633 · as of October 8, 2026
    Active · clear
58. Brandon Richard Swartz

    Yorba Linda, CA · CSLB #891326 · as of October 8, 2026
    Active · clear
59. S & W Communications INC

    Northridge, CA · CSLB #688308 · as of October 8, 2026
    Active · clear
60. Sweep For Hire

    Bodega, CA · CSLB #546854 · as of October 8, 2026
    Active · clear

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.