Licensed Insulation & Acoustical (C-2) contractors in California

The California Contractors State License Board (CSLB) lists 696 California contractors classified C-2 (Insulation & Acoustical (C-2)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

Showing 661–696 of 696 contractors

1. Winters Acoustics

   Lake Hauasu City, CA · CSLB #702008 · as of October 6, 2026
   Active · clear
2. Wonderful Attic Care INC

   Encino, CA · CSLB #1110148 · as of October 6, 2026
   Active · clear
3. Woodward Acoustics INC

   Atascadero, CA · CSLB #600439 · as of October 6, 2026
   Active · clear
4. YM Insulation

   Chatsworth, CA · CSLB #1047533 · as of October 6, 2026
   Active · clear
5. Yocum Insulation INC

   Palmdale, CA · CSLB #1105175 · as of October 6, 2026
   Active · clear
6. Yohai Pinto

   Chatsworth, CA · CSLB #1133049 · as of October 6, 2026
   Active · clear
7. Your Insulation Specialist INC

   Riverside, CA · CSLB #1101740 · as of October 6, 2026
   Active · clear
8. Zamora Insulation

   Salinas, CA · CSLB #1079171 · as of October 6, 2026
   Active · clear
9. Zampell Refractories INC

   Newburyport, CA · CSLB #861923 · as of October 6, 2026
   Active · clear
10. Zitro Acoustics INC

    Hayward, CA · CSLB #894740 · as of October 6, 2026
    Active · clear
11. Zolnay Insulation INC

    Yorba Linda, CA · CSLB #881565 · as of October 6, 2026
    Active · clear
12. Al Acoustical Ceilings

    Pacoima, CA · CSLB #1105062 · as of October 6, 2026
    Suspended · bond
13. Cal West Acoustics

    Petaluma, CA · CSLB #960381 · as of October 6, 2026
    Suspended · bond
14. Robert Cochran Interiors INC

    La Verne, CA · CSLB #1006852 · as of October 6, 2026
    Suspended · bond
15. Dynamic Acoustics

    Elverta, CA · CSLB #1104657 · as of October 6, 2026
    Suspended · bond
16. E M Insulation Company

    East Palo Alto, CA · CSLB #1088202 · as of October 6, 2026
    Suspended · bond
17. Martin Gutierrez

    Bakersfield, CA · CSLB #1104317 · as of October 6, 2026
    Suspended · bond
18. J R Insulation

    Mammoth Lakes, CA · CSLB #1034117 · as of October 6, 2026
    Suspended · bond
19. K R Interiors

    Placerville, CA · CSLB #656726 · as of October 6, 2026
    Suspended · bond
20. Mechanical Innovative Technologies INC

    Corona, CA · CSLB #1136916 · as of October 6, 2026
    Suspended · bond
21. J R Lankford INC DBA Pacific Roofing Company

    Modesto, CA · CSLB #188886 · as of October 6, 2026
    Suspended · bond
22. True Heat Solutions Norcal

    Upland, CA · CSLB #1068188 · as of October 6, 2026
    Suspended · bond
23. Universal Acoustics

    Hemet, CA · CSLB #1082799 · as of October 6, 2026
    Suspended · bond
24. World Class Insulation

    Palmdale, CA · CSLB #1015020 · as of October 6, 2026
    Suspended · bond
25. Louis Properties INC DBA Yosemite Insulation

    Fresno, CA · CSLB #594311 · as of October 6, 2026
    Suspended · bond
26. Towers Insulation

    Kingsport, CA · CSLB #1049341 · as of October 6, 2026
    Suspended
27. Acousticworks INC

    Escondido, CA · CSLB #775459 · as of October 6, 2026
    Suspended
28. Climalock

    Warsaw, CA · CSLB #1110700 · as of October 6, 2026
    Suspended
29. T - P Acoustics INC - California

    Phoenix, CA · CSLB #592834 · as of October 6, 2026
    Suspended
30. Acoustic Interior Solutions

    Riverside, CA · CSLB #1129495 · as of October 6, 2026
    Suspended · workers' comp
31. Devore Insulation INC

    Newhall, CA · CSLB #670000 · as of October 6, 2026
    Suspended · workers' comp
32. Direct Acoustics

    Inglewood, CA · CSLB #1063803 · as of October 6, 2026
    Suspended · workers' comp
33. Jetstream Construction INC

    Las Vegas, CA · CSLB #981401 · as of October 6, 2026
    Suspended · workers' comp
34. Kiko's Insulation

    Whittier, CA · CSLB #1100167 · as of October 6, 2026
    Suspended · workers' comp
35. National Systems Insulation

    Redding, CA · CSLB #552737 · as of October 6, 2026
    Suspended · workers' comp
36. Sprinkmann Sons Corporation

    Milwaukee, CA · CSLB #141212 · as of October 6, 2026
    Suspended · workers' comp

Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.