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 121–180 of 696 contractors

1. C2 Acoustical And Insulation Specialty

   Manteca, CA · CSLB #1041130 · as of October 6, 2026
   Active · clear
2. Ca Attic Solutions INC

   Tracy, CA · CSLB #1120795 · as of October 6, 2026
   Active · clear
3. Cal-acoustic Interiors INC

   Rancho Cordova, CA · CSLB #657810 · as of October 6, 2026
   Active · clear
4. Cal Com Insulation INC

   Oceanside, CA · CSLB #977613 · as of October 6, 2026
   Active · clear
5. Cal Foam INC

   Porterville, CA · CSLB #1123937 · as of October 6, 2026
   Active · clear
6. California Acoustic

   Carmel Valley, CA · CSLB #991823 · as of October 6, 2026
   Active · clear
7. California Comfort Acoustics INC

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

   Carlsbad, CA · CSLB #991135 · as of October 6, 2026
   Active · clear
9. California Mechanical Insulation

   El Cajon, CA · CSLB #965569 · as of October 6, 2026
   Active · clear
10. California Quality Insulation

    Vallejo, CA · CSLB #1050955 · as of October 6, 2026
    Active · clear
11. California Specialty Insulation INC

    Chino, CA · CSLB #957829 · as of October 6, 2026
    Active · clear
12. Cal - Therm INC

    Chino, CA · CSLB #730669 · as of October 6, 2026
    Active · clear
13. Camval Insulation

    La Puente, CA · CSLB #1026379 · as of October 6, 2026
    Active · clear
14. Capital City Drywall INC

    North Highlands, CA · CSLB #787193 · as of October 6, 2026
    Active · clear
15. Cassle Garage Door Company

    Modesto, CA · CSLB #282204 · as of October 6, 2026
    Active · clear
16. Richard Castellanos

    San Jose, CA · CSLB #356648 · as of October 6, 2026
    Active · clear
17. Ray Castillo

    Rancho Cucamonga, CA · CSLB #847578 · as of October 6, 2026
    Active · clear
18. D N Caulton Interior Systems

    Ceres, CA · CSLB #549662 · as of October 6, 2026
    Active · clear
19. Cav Insulation INC

    Los Banos, CA · CSLB #1059204 · as of October 6, 2026
    Active · clear
20. Ceiling Concepts Incorporated

    Los Alamitos, CA · CSLB #461151 · as of October 6, 2026
    Active · clear
21. Ceiling Experts INC

    Sacramento, CA · CSLB #917629 · as of October 6, 2026
    Active · clear
22. Steven E Brown DBA Ceilings Unlimited

    Spreckels, CA · CSLB #474241 · as of October 6, 2026
    Active · clear
23. Celinsulation Corporation

    Benicia, CA · CSLB #948103 · as of October 6, 2026
    Active · clear
24. Cell - Crete Corporation

    Monrovia, CA · CSLB #243404 · as of October 6, 2026
    Active · clear
25. Cemco Acoustics

    North Highlands, CA · CSLB #1054206 · as of October 6, 2026
    Active · clear
26. Cen - Cal Air Incorporated

    Los Banos, CA · CSLB #884567 · as of October 6, 2026
    Active · clear
27. California Insulation Contractor INC DBA Central California

    San Jose, CA · CSLB #1018810 · as of October 6, 2026
    Active · clear
28. Central Coast Acoustic Ceilings

    Grover Beach, CA · CSLB #947671 · as of October 6, 2026
    Active · clear
29. Central Coast Insulation INC

    San Luis Obispo, CA · CSLB #1052324 · as of October 6, 2026
    Active · clear
30. Central Coating Company INC

    Madera, CA · CSLB #458848 · as of October 6, 2026
    Active · clear
31. Central Drywall INC

    Grover Beach, CA · CSLB #707484 · as of October 6, 2026
    Active · clear
32. Central Valley Insulation

    Modesto, CA · CSLB #1154658 · as of October 6, 2026
    Active · clear
33. Central Valley Insulation INC

    Bakersfield, CA · CSLB #1018061 · as of October 6, 2026
    Active · clear
34. Central Valley Suspended Ceiling Services

    Oakdale, CA · CSLB #1138405 · as of October 6, 2026
    Active · clear
35. Certified Mechanical Systems INC

    Temecula, CA · CSLB #1062735 · as of October 6, 2026
    Active · clear
36. C G Chaney Company INC

    Valencia, CA · CSLB #762715 · as of October 6, 2026
    Active · clear
37. Chicago Flyhouse Incorporated

    Chicago, CA · CSLB #1023319 · as of October 6, 2026
    Active · clear
38. City Plumbing

    Vallejo, CA · CSLB #1016211 · as of October 6, 2026
    Active · clear
39. City Wide Insulation Company INC

    San Francisco, CA · CSLB #850842 · as of October 6, 2026
    Active · clear
40. CJM JR Suspended Ceilings INC

    Bakersfield, CA · CSLB #930909 · as of October 6, 2026
    Active · clear
41. C J P Insulation

    Menifee, CA · CSLB #1055043 · as of October 6, 2026
    Active · clear
42. C K Interiors INC

    San Francisco, CA · CSLB #939658 · as of October 6, 2026
    Active · clear
43. Classic Acoustics

    Santa Clara, CA · CSLB #709465 · as of October 6, 2026
    Active · clear
44. Climateshield Insulation

    Bakersfield, CA · CSLB #1138138 · as of October 6, 2026
    Active · clear
45. C M Firestop INC

    San Diego, CA · CSLB #775289 · as of October 6, 2026
    Active · clear
46. C M S Interiors INC

    San Diego, CA · CSLB #871262 · as of October 6, 2026
    Active · clear
47. Coast Building Products

    Daytona Beach, CA · CSLB #465440 · as of October 6, 2026
    Active · clear
48. Coldani Insulation & Garage Doors

    Valley Springs, CA · CSLB #994091 · as of October 6, 2026
    Active · clear
49. Comfort Mechanical Enterprises INC

    Rancho Cucamonga, CA · CSLB #608875 · as of October 6, 2026
    Active · clear
50. Commercial Interiors Acoustics INC

    North Hollywood, CA · CSLB #669626 · as of October 6, 2026
    Active · clear
51. Commercial Specialty INC

    Lodi, CA · CSLB #448550 · as of October 6, 2026
    Active · clear
52. Conroy's Suspended Ceilings

    Lakeside, CA · CSLB #469828 · as of October 6, 2026
    Active · clear
53. Contractors Insul Material Services

    Riverside, CA · CSLB #1145266 · as of October 6, 2026
    Active · clear
54. Cook Brothers Insulation Company

    Downey, CA · CSLB #762205 · as of October 6, 2026
    Active · clear
55. Common Sense Solutions INC DBA Cool-roof Systems

    San Marcos, CA · CSLB #853763 · as of October 6, 2026
    Active · open complaint
56. Core Acoustics

    Beaumont, CA · CSLB #1006516 · as of October 6, 2026
    Active · clear
57. Corona Coatings Corporation

    Colton, CA · CSLB #334755 · as of October 6, 2026
    Active · clear
58. Coustic-glo

    Simi Valley, CA · CSLB #585006 · as of October 6, 2026
    Active · clear
59. Cozy Comfort Insulation

    Sherman Oaks, CA · CSLB #1140834 · as of October 6, 2026
    Active · clear
60. CR Acoustics

    Oakdale, CA · CSLB #1159016 · as of October 6, 2026
    Active · clear

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.