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

The California Contractors State License Board (CSLB) lists 691 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 June 27, 2026.

Showing 661–691 of 691 contractors

1. Yocum Insulation INC

   Palmdale, CA · CSLB #1105175 · as of June 27, 2026
   Active · clear
2. Yohai Pinto

   Chatsworth, CA · CSLB #1133049 · as of June 27, 2026
   Active · clear
3. Your Insulation Specialist INC

   Riverside, CA · CSLB #1101740 · as of June 27, 2026
   Active · clear
4. Zamora Insulation

   Salinas, CA · CSLB #1079171 · as of June 27, 2026
   Active · clear
5. Zampell Refractories INC

   Newburyport, CA · CSLB #861923 · as of June 27, 2026
   Active · clear
6. Zitro Acoustics INC

   Hayward, CA · CSLB #894740 · as of June 27, 2026
   Active · clear
7. Zolnay Insulation INC

   Yorba Linda, CA · CSLB #881565 · as of June 27, 2026
   Active · clear
8. Al Acoustical Ceilings

   Pacoima, CA · CSLB #1105062 · as of June 27, 2026
   Suspended · bond
9. Cal West Acoustics

   Petaluma, CA · CSLB #960381 · as of June 27, 2026
   Suspended · bond
10. Del Pacifico Acoustics INC

    San Diego, CA · CSLB #1096873 · as of June 27, 2026
    Suspended · bond
11. HVAC Guru

    San Jose, CA · CSLB #1031326 · as of June 27, 2026
    Suspended · bond
12. JC Insulation

    Salinas, CA · CSLB #1028007 · as of June 27, 2026
    Suspended · bond
13. K R Interiors

    Placerville, CA · CSLB #656726 · as of June 27, 2026
    Suspended · bond
14. Mechanical Innovative Technologies INC

    Corona, CA · CSLB #1136916 · as of June 27, 2026
    Suspended · bond
15. M G Acoustics

    San Jose, CA · CSLB #812976 · as of June 27, 2026
    Suspended · bond
16. James N Owens

    Dutch Flat, CA · CSLB #422203 · as of June 27, 2026
    Suspended · bond
17. Pacific Specialty Insulation

    Rio Linda, CA · CSLB #1091680 · as of June 27, 2026
    Suspended · bond
18. Russell Interior Systems

    Escondido, CA · CSLB #916473 · as of June 27, 2026
    Suspended · bond
19. R & W Specialty Contractors

    Turlock, CA · CSLB #492993 · as of June 27, 2026
    Suspended · bond
20. Universal Acoustics

    Hemet, CA · CSLB #1082799 · as of June 27, 2026
    Suspended · bond
21. World Class Insulation

    Palmdale, CA · CSLB #1015020 · as of June 27, 2026
    Suspended · bond
22. Louis Properties INC DBA Yosemite Insulation

    Fresno, CA · CSLB #594311 · as of June 27, 2026
    Suspended · bond
23. S&S Insulation INC

    Kelseyville, CA · CSLB #1070765 · as of June 27, 2026
    Suspended
24. T - P Acoustics INC - California

    Phoenix, CA · CSLB #592834 · as of June 27, 2026
    Suspended
25. Arctic Insulation INC

    Wilmington, CA · CSLB #566901 · as of June 27, 2026
    Suspended · workers' comp
26. Bartkowski Firestop Installation

    Wilmington, CA · CSLB #1046655 · as of June 27, 2026
    Suspended · workers' comp
27. Green Faith Attic Solutions

    Glendale, CA · CSLB #1130417 · as of June 27, 2026
    Suspended · workers' comp
28. J B L Acoustics

    Vallejo, CA · CSLB #979514 · as of June 27, 2026
    Suspended · workers' comp
29. Keph Acoustical Construction

    Dadeville, CA · CSLB #903804 · as of June 27, 2026
    Suspended · workers' comp
30. Pro-set General Construction

    Montebello, CA · CSLB #1134940 · as of June 27, 2026
    Suspended · workers' comp
31. Spray-on Foam & Coatings INC

    Brush Prairie, CA · CSLB #1043122 · as of June 27, 2026
    Suspended · workers' comp

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.