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 August 11, 2026.

Showing 121–180 of 691 contractors

1. Cal-acoustic Interiors INC

   Rancho Cordova, CA · CSLB #657810 · as of August 11, 2026
   Active · clear
2. Cal Com Insulation INC

   Oceanside, CA · CSLB #977613 · as of August 11, 2026
   Active · clear
3. Cal Foam INC

   Porterville, CA · CSLB #1123937 · as of August 11, 2026
   Active · clear
4. California Acoustic

   Carmel Valley, CA · CSLB #991823 · as of August 11, 2026
   Active · clear
5. California Comfort Acoustics INC

   Fresno, CA · CSLB #986201 · as of August 11, 2026
   Active · clear
6. California Fire Stop INC

   Carlsbad, CA · CSLB #991135 · as of August 11, 2026
   Active · clear
7. California Mechanical Insulation

   El Cajon, CA · CSLB #965569 · as of August 11, 2026
   Active · clear
8. California Quality Insulation

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

   Chino, CA · CSLB #957829 · as of August 11, 2026
   Active · clear
10. Cal - Therm INC

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

    La Puente, CA · CSLB #1026379 · as of August 11, 2026
    Active · clear
12. Capital City Drywall INC

    North Highlands, CA · CSLB #787193 · as of August 11, 2026
    Active · clear
13. Cassle Garage Door Company

    Modesto, CA · CSLB #282204 · as of August 11, 2026
    Active · clear
14. Richard Castellanos

    San Jose, CA · CSLB #356648 · as of August 11, 2026
    Active · clear
15. Ray Castillo

    Rancho Cucamonga, CA · CSLB #847578 · as of August 11, 2026
    Active · clear
16. D N Caulton Interior Systems

    Ceres, CA · CSLB #549662 · as of August 11, 2026
    Active · clear
17. Cav Insulation INC

    Los Banos, CA · CSLB #1059204 · as of August 11, 2026
    Active · clear
18. Ceiling Concepts Incorporated

    Los Alamitos, CA · CSLB #461151 · as of August 11, 2026
    Active · clear
19. Ceiling Experts INC

    Sacramento, CA · CSLB #917629 · as of August 11, 2026
    Active · clear
20. Steven E Brown DBA Ceilings Unlimited

    Spreckels, CA · CSLB #474241 · as of August 11, 2026
    Active · clear
21. Celinsulation Corporation

    Benicia, CA · CSLB #948103 · as of August 11, 2026
    Active · clear
22. Cemco Acoustics

    North Highlands, CA · CSLB #1054206 · as of August 11, 2026
    Active · clear
23. Cen - Cal Air Incorporated

    Los Banos, CA · CSLB #884567 · as of August 11, 2026
    Active · clear
24. California Insulation Contractor INC DBA Central California

    San Jose, CA · CSLB #1018810 · as of August 11, 2026
    Active · clear
25. Central Coast Acoustic Ceilings

    Grover Beach, CA · CSLB #947671 · as of August 11, 2026
    Active · clear
26. Central Coast Insulation INC

    San Luis Obispo, CA · CSLB #1052324 · as of August 11, 2026
    Active · clear
27. Central Coating Company INC

    Madera, CA · CSLB #458848 · as of August 11, 2026
    Active · clear
28. Central Drywall INC

    Grover Beach, CA · CSLB #707484 · as of August 11, 2026
    Active · clear
29. Central Valley Insulation

    Modesto, CA · CSLB #1154658 · as of August 11, 2026
    Active · clear
30. Central Valley Insulation INC

    Bakersfield, CA · CSLB #1018061 · as of August 11, 2026
    Active · clear
31. Central Valley Suspended Ceiling Services

    Oakdale, CA · CSLB #1138405 · as of August 11, 2026
    Active · clear
32. Certified Mechanical Systems INC

    Temecula, CA · CSLB #1062735 · as of August 11, 2026
    Active · clear
33. C G Chaney Company INC

    Valencia, CA · CSLB #762715 · as of August 11, 2026
    Active · clear
34. Chicago Flyhouse Incorporated

    Chicago, CA · CSLB #1023319 · as of August 11, 2026
    Active · clear
35. City Plumbing

    Vallejo, CA · CSLB #1016211 · as of August 11, 2026
    Active · clear
36. City Wide Insulation Company INC

    San Francisco, CA · CSLB #850842 · as of August 11, 2026
    Active · clear
37. CJM JR Suspended Ceilings INC

    Bakersfield, CA · CSLB #930909 · as of August 11, 2026
    Active · clear
38. C J P Insulation

    Menifee, CA · CSLB #1055043 · as of August 11, 2026
    Active · clear
39. C K Interiors INC

    San Francisco, CA · CSLB #939658 · as of August 11, 2026
    Active · clear
40. Classic Acoustics

    Santa Clara, CA · CSLB #709465 · as of August 11, 2026
    Active · clear
41. Climateshield Insulation

    Bakersfield, CA · CSLB #1138138 · as of August 11, 2026
    Active · clear
42. C M Firestop INC

    San Diego, CA · CSLB #775289 · as of August 11, 2026
    Active · clear
43. C M S Interiors INC

    San Diego, CA · CSLB #871262 · as of August 11, 2026
    Active · clear
44. Coast Building Products

    Daytona Beach, CA · CSLB #465440 · as of August 11, 2026
    Active · clear
45. Robert Cochran Interiors INC

    La Verne, CA · CSLB #1006852 · as of August 11, 2026
    Active · clear
46. Coldani Insulation & Garage Doors

    Valley Springs, CA · CSLB #994091 · as of August 11, 2026
    Active · clear
47. Comfort Mechanical Enterprises INC

    Rancho Cucamonga, CA · CSLB #608875 · as of August 11, 2026
    Active · clear
48. Commercial Interiors Acoustics INC

    North Hollywood, CA · CSLB #669626 · as of August 11, 2026
    Active · clear
49. Commercial Specialty INC

    Lodi, CA · CSLB #448550 · as of August 11, 2026
    Active · clear
50. Conroy's Suspended Ceilings

    Lakeside, CA · CSLB #469828 · as of August 11, 2026
    Active · clear
51. Contractors Insul Material Services

    Riverside, CA · CSLB #1145266 · as of August 11, 2026
    Active · clear
52. Cook Brothers Insulation Company

    Downey, CA · CSLB #762205 · as of August 11, 2026
    Active · clear
53. Common Sense Solutions INC DBA Cool-roof Systems

    San Marcos, CA · CSLB #853763 · as of August 11, 2026
    Active · open complaint
54. Core Acoustics

    Beaumont, CA · CSLB #1006516 · as of August 11, 2026
    Active · clear
55. Corona Coatings Corporation

    Colton, CA · CSLB #334755 · as of August 11, 2026
    Active · clear
56. Coustic-glo

    Simi Valley, CA · CSLB #585006 · as of August 11, 2026
    Active · clear
57. Cozy Comfort Insulation

    Sherman Oaks, CA · CSLB #1140834 · as of August 11, 2026
    Active · clear
58. CR Acoustics

    Oakdale, CA · CSLB #1159016 · as of August 11, 2026
    Active · clear
59. Crawlspace Clean & Insulation Incorporated

    Pleasanton, CA · CSLB #1063093 · as of August 11, 2026
    Active · clear
60. Creative Ceilings INC

    Concord, CA · CSLB #781556 · as of August 11, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of August 11, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.