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 181–240 of 691 contractors

1. Creative Ceilings INC

   Concord, CA · CSLB #781556 · as of June 27, 2026
   Active · clear
2. CRG Insulation & Acoustical INC

   Vallejo, CA · CSLB #1128829 · as of June 27, 2026
   Active · clear
3. CR Insulation INC

   San Marcos, CA · CSLB #1038077 · as of June 27, 2026
   Active · clear
4. CR Specialty Insulation INC

   San Diego, CA · CSLB #1005200 · as of June 27, 2026
   Active · clear
5. Custom Drywall INC

   Milpitas, CA · CSLB #263495 · as of June 27, 2026
   Active · clear
6. C Y C Commercial Wall Coverings

   Hayward, CA · CSLB #990923 · as of June 27, 2026
   Active · clear
7. D2

   Medford, CA · CSLB #1035992 · as of June 27, 2026
   Active · clear
8. D2 Services INC

   Medford, CA · CSLB #597566 · as of June 27, 2026
   Active · clear
9. Dads Heating & Air Conditioning INC

   Temecula, CA · CSLB #922696 · as of June 27, 2026
   Active · clear
10. Dahl Air Conditioning INC

    Buellton, CA · CSLB #393444 · as of June 27, 2026
    Active · clear
11. D Davis Plastering INC

    Newhall, CA · CSLB #853189 · as of June 27, 2026
    Active · clear
12. Day & Zimmermann NPS INC

    Lancaster, CA · CSLB #462629 · as of June 27, 2026
    Active · clear
13. D C Acoustics And Insulation INC

    Fairfield, CA · CSLB #733521 · as of June 27, 2026
    Active · clear
14. D C Acoustics INC

    Valencia, CA · CSLB #699658 · as of June 27, 2026
    Active · clear
15. DD Acoustics

    Panorama City, CA · CSLB #1054369 · as of June 27, 2026
    Active · clear
16. D & D Roofing And Sheet Metal INC

    Sparks, CA · CSLB #486667 · as of June 27, 2026
    Active · clear
17. D & D Spray Systems INC

    Oakdale, CA · CSLB #1088690 · as of June 27, 2026
    Active · clear
18. Dean's Acoustical Ceilings INC

    Brentwood, CA · CSLB #475711 · as of June 27, 2026
    Active · clear
19. Delta Insulation Services INC

    Redwood City, CA · CSLB #1117247 · as of June 27, 2026
    Active · clear
20. Desert Insulation INC

    Yucca Valley, CA · CSLB #833710 · as of June 27, 2026
    Active · clear
21. Desert Insulation LLC

    Yuma, CA · CSLB #1127341 · as of June 27, 2026
    Active · clear
22. Devore Insulation INC

    Newhall, CA · CSLB #670000 · as of June 27, 2026
    Active · clear
23. D H P Insulation

    Sacramento, CA · CSLB #848984 · as of June 27, 2026
    Active · clear
24. Diamond Star Insulation

    Lancaster, CA · CSLB #1100974 · as of June 27, 2026
    Active · clear
25. Diaz Insulation LLC

    Chico, CA · CSLB #951769 · as of June 27, 2026
    Active · clear
26. Direct Acoustics

    Inglewood, CA · CSLB #1063803 · as of June 27, 2026
    Active · clear
27. Distinctive Metals, Angels Heating & Air Conditioning

    Angels Camp, CA · CSLB #341424 · as of June 27, 2026
    Active · clear
28. Dittemore Insulation Contractors INC

    Anaheim, CA · CSLB #750723 · as of June 27, 2026
    Active · clear
29. Division 9 Specialty

    Rohnert Park, CA · CSLB #1003305 · as of June 27, 2026
    Active · clear
30. D J Insulation INC

    Oxnard, CA · CSLB #856787 · as of June 27, 2026
    Active · clear
31. Dlab Drywall INC

    Fontana, CA · CSLB #986090 · as of June 27, 2026
    Active · clear
32. D M I

    Santa Rosa, CA · CSLB #533381 · as of June 27, 2026
    Active · clear
33. DM Insulation

    Tracy, CA · CSLB #1138962 · as of June 27, 2026
    Active · clear
34. D & N Acoustics INC

    Anaheim, CA · CSLB #1005969 · as of June 27, 2026
    Active · clear
35. David Romesburg & CO DBA DR Insulation

    San Pedro, CA · CSLB #1148181 · as of June 27, 2026
    Active · clear
36. Drywall Acoustics INC

    Sacramento, CA · CSLB #1076993 · as of June 27, 2026
    Active · clear
37. DS Insolation Corp

    North Highlands, CA · CSLB #1115017 · as of June 27, 2026
    Active · clear
38. Dudley Insulation INC

    San Diego, CA · CSLB #992550 · as of June 27, 2026
    Active · clear
39. Dvoskin Alon

    Walnut Creek, CA · CSLB #1101431 · as of June 27, 2026
    Active · clear
40. D W Acoustics INC

    Santa Rosa, CA · CSLB #879037 · as of June 27, 2026
    Active · clear
41. Dynamic Acoustics

    Elverta, CA · CSLB #1104657 · as of June 27, 2026
    Active · clear
42. Eagle Insulation

    Oak View, CA · CSLB #616305 · as of June 27, 2026
    Active · clear
43. Eagle Painting & Drywall INC

    North Highlands, CA · CSLB #963338 · as of June 27, 2026
    Active · clear
44. Eagle Shield Technologies INC

    Danville, CA · CSLB #993748 · as of June 27, 2026
    Active · clear
45. Earp Insulation

    El Cajon, CA · CSLB #916015 · as of June 27, 2026
    Active · clear
46. Ecco Insulation INC

    Sonoma, CA · CSLB #682377 · as of June 27, 2026
    Active · clear
47. Echelon Firestop INC

    Lodi, CA · CSLB #1017472 · as of June 27, 2026
    Active · clear
48. Echols Acoustics

    La Verne, CA · CSLB #374403 · as of June 27, 2026
    Active · clear
49. Eclipse Acoustics

    San Francisco, CA · CSLB #1140353 · as of June 27, 2026
    Active · clear
50. Ecm Acoustic

    Riverside, CA · CSLB #1058212 · as of June 27, 2026
    Active · clear
51. Ecoattics INC

    Roseville, CA · CSLB #963041 · as of June 27, 2026
    Active · clear
52. Eco Attic Systems

    San Rafael, CA · CSLB #1082470 · as of June 27, 2026
    Active · clear
53. Eco Insulation Company LLC

    Orangevale, CA · CSLB #1129297 · as of June 27, 2026
    Active · clear
54. Econo Air

    Placentia, CA · CSLB #445220 · as of June 27, 2026
    Active · clear
55. Elite Acoustics INC

    Rancho Cordova, CA · CSLB #1029090 · as of June 27, 2026
    Active · clear
56. Elite Insulation

    Menifee, CA · CSLB #1148517 · as of June 27, 2026
    Active · clear
57. Elljay Acoustics INC

    Irvine, CA · CSLB #1082089 · as of June 27, 2026
    Active · clear
58. Elm Insulation & Sound Solutions

    Chatsworth, CA · CSLB #1122923 · as of June 27, 2026
    Active · clear
59. Emerald Insulation & Acoustical INC

    San Francisco, CA · CSLB #1134153 · as of June 27, 2026
    Active · clear
60. E M Insulation Company

    East Palo Alto, CA · CSLB #1088202 · as of June 27, 2026
    Active · clear

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.