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 121–180 of 691 contractors

1. Cal-acoustic Interiors INC

   Rancho Cordova, CA · CSLB #657810 · as of June 27, 2026
   Active · clear
2. Cal Com Insulation INC

   Oceanside, CA · CSLB #977613 · as of June 27, 2026
   Active · clear
3. Cal Foam INC

   Porterville, CA · CSLB #1123937 · as of June 27, 2026
   Active · clear
4. California Acoustic

   Carmel Valley, CA · CSLB #991823 · as of June 27, 2026
   Active · clear
5. California Comfort Acoustics INC

   Fresno, CA · CSLB #986201 · as of June 27, 2026
   Active · clear
6. California Fire Stop INC

   Carlsbad, CA · CSLB #991135 · as of June 27, 2026
   Active · clear
7. California Mechanical Insulation

   El Cajon, CA · CSLB #965569 · as of June 27, 2026
   Active · clear
8. California Quality Insulation

   Vallejo, CA · CSLB #1050955 · as of June 27, 2026
   Active · clear
9. California Specialty Insulation INC

   Chino, CA · CSLB #957829 · as of June 27, 2026
   Active · clear
10. Cal - Therm INC

    Chino, CA · CSLB #730669 · as of June 27, 2026
    Active · clear
11. Camval Insulation

    La Puente, CA · CSLB #1026379 · as of June 27, 2026
    Active · clear
12. Capital City Drywall INC

    North Highlands, CA · CSLB #787193 · as of June 27, 2026
    Active · clear
13. Cassle Garage Door Company

    Modesto, CA · CSLB #282204 · as of June 27, 2026
    Active · clear
14. Richard Castellanos

    San Jose, CA · CSLB #356648 · as of June 27, 2026
    Active · clear
15. Ray Castillo

    Rancho Cucamonga, CA · CSLB #847578 · as of June 27, 2026
    Active · clear
16. D N Caulton Interior Systems

    Ceres, CA · CSLB #549662 · as of June 27, 2026
    Active · clear
17. Cav Insulation INC

    Los Banos, CA · CSLB #1059204 · as of June 27, 2026
    Active · clear
18. Ceiling Concepts Incorporated

    Los Alamitos, CA · CSLB #461151 · as of June 27, 2026
    Active · clear
19. Ceiling Experts INC

    Sacramento, CA · CSLB #917629 · as of June 27, 2026
    Active · clear
20. Steven E Brown DBA Ceilings Unlimited

    Spreckels, CA · CSLB #474241 · as of June 27, 2026
    Active · clear
21. Celinsulation Corporation

    Benicia, CA · CSLB #948103 · as of June 27, 2026
    Active · clear
22. Cell - Crete Corporation

    Monrovia, CA · CSLB #243404 · as of June 27, 2026
    Active · clear
23. Cemco Acoustics

    North Highlands, CA · CSLB #1054206 · as of June 27, 2026
    Active · clear
24. Cen - Cal Air Incorporated

    Los Banos, CA · CSLB #884567 · as of June 27, 2026
    Active · clear
25. California Insulation Contractor INC DBA Central California

    San Jose, CA · CSLB #1018810 · as of June 27, 2026
    Active · clear
26. Central Coast Acoustic Ceilings

    Grover Beach, CA · CSLB #947671 · as of June 27, 2026
    Active · clear
27. Central Coast Insulation INC

    San Luis Obispo, CA · CSLB #1052324 · as of June 27, 2026
    Active · clear
28. Central Coating Company INC

    Madera, CA · CSLB #458848 · as of June 27, 2026
    Active · clear
29. Central Drywall INC

    Grover Beach, CA · CSLB #707484 · as of June 27, 2026
    Active · clear
30. Central Valley Insulation

    Modesto, CA · CSLB #1154658 · as of June 27, 2026
    Active · clear
31. Central Valley Insulation INC

    Bakersfield, CA · CSLB #1018061 · as of June 27, 2026
    Active · clear
32. Central Valley Suspended Ceiling Services

    Oakdale, CA · CSLB #1138405 · as of June 27, 2026
    Active · clear
33. Certified Mechanical Systems INC

    Temecula, CA · CSLB #1062735 · as of June 27, 2026
    Active · clear
34. C G Chaney Company INC

    Valencia, CA · CSLB #762715 · as of June 27, 2026
    Active · clear
35. Chicago Flyhouse Incorporated

    Chicago, CA · CSLB #1023319 · as of June 27, 2026
    Active · clear
36. City Plumbing

    Vallejo, CA · CSLB #1016211 · as of June 27, 2026
    Active · clear
37. City Wide Insulation Company INC

    San Francisco, CA · CSLB #850842 · as of June 27, 2026
    Active · clear
38. CJM JR Suspended Ceilings INC

    Bakersfield, CA · CSLB #930909 · as of June 27, 2026
    Active · clear
39. C J P Insulation

    Menifee, CA · CSLB #1055043 · as of June 27, 2026
    Active · clear
40. C K Interiors INC

    San Francisco, CA · CSLB #939658 · as of June 27, 2026
    Active · clear
41. Classic Acoustics

    Santa Clara, CA · CSLB #709465 · as of June 27, 2026
    Active · clear
42. Climalock

    Warsaw, CA · CSLB #1110700 · as of June 27, 2026
    Active · clear
43. Climateshield Insulation

    Bakersfield, CA · CSLB #1138138 · as of June 27, 2026
    Active · clear
44. C M Firestop INC

    San Diego, CA · CSLB #775289 · as of June 27, 2026
    Active · clear
45. C M S Interiors INC

    San Diego, CA · CSLB #871262 · as of June 27, 2026
    Active · clear
46. Coast Building Products

    Daytona Beach, CA · CSLB #465440 · as of June 27, 2026
    Active · clear
47. Robert Cochran Interiors INC

    La Verne, CA · CSLB #1006852 · as of June 27, 2026
    Active · clear
48. Coldani Insulation & Garage Doors

    Valley Springs, CA · CSLB #994091 · as of June 27, 2026
    Active · clear
49. Comfort Mechanical Enterprises INC

    Rancho Cucamonga, CA · CSLB #608875 · as of June 27, 2026
    Active · clear
50. Commercial Interiors Acoustics INC

    North Hollywood, CA · CSLB #669626 · as of June 27, 2026
    Active · clear
51. Commercial Specialty INC

    Lodi, CA · CSLB #448550 · as of June 27, 2026
    Active · clear
52. Conroy's Suspended Ceilings

    Lakeside, CA · CSLB #469828 · as of June 27, 2026
    Active · clear
53. Contractors Insul Material Services

    Riverside, CA · CSLB #1145266 · as of June 27, 2026
    Active · clear
54. Cook Brothers Insulation Company

    Downey, CA · CSLB #762205 · as of June 27, 2026
    Active · clear
55. Common Sense Solutions INC DBA Cool-roof Systems

    San Marcos, CA · CSLB #853763 · as of June 27, 2026
    Active · clear
56. Core Acoustics

    Beaumont, CA · CSLB #1006516 · as of June 27, 2026
    Active · clear
57. Corona Coatings Corporation

    Colton, CA · CSLB #334755 · as of June 27, 2026
    Active · clear
58. Coustic-glo

    Simi Valley, CA · CSLB #585006 · as of June 27, 2026
    Active · clear
59. Cozy Comfort Insulation

    Sherman Oaks, CA · CSLB #1140834 · as of June 27, 2026
    Active · clear
60. Crawlspace Clean & Insulation Incorporated

    Pleasanton, CA · CSLB #1063093 · 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.