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 601–660 of 696 contractors

1. Tecon Services INC

   Houston, CA · CSLB #473816 · as of October 6, 2026
   Active · clear
2. Temper Insulation CO INC

   San Francisco, CA · CSLB #475279 · as of October 6, 2026
   Active · clear
3. The Attic Insulation Specialists

   Woodland Hills, CA · CSLB #1139733 · as of October 6, 2026
   Active · clear
4. Thermacore Insulation INC

   Stockton, CA · CSLB #1154818 · as of October 6, 2026
   Active · clear
5. Thermal Advantage Of California INC

   Vista, CA · CSLB #1126284 · as of October 6, 2026
   Active · clear
6. Thermal Insulation

   San Jose, CA · CSLB #1162053 · as of October 6, 2026
   Active · clear
7. Thermal Systems Mechanical Insulation INC

   Sheridan, CA · CSLB #853989 · as of October 6, 2026
   Active · clear
8. Thermo Bay Insulation

   Stockton, CA · CSLB #1030570 · as of October 6, 2026
   Active · clear
9. Thermo Shield Insulation

   Rialto, CA · CSLB #1145229 · as of October 6, 2026
   Active · clear
10. Tigre Firestop & Insulation

    Hayward, CA · CSLB #1074496 · as of October 6, 2026
    Active · clear
11. Tikal Acoustic INC

    Northridge, CA · CSLB #903499 · as of October 6, 2026
    Active · clear
12. Top Quality Insulation & Fireplaces INC

    Valley Springs, CA · CSLB #591798 · as of October 6, 2026
    Active · clear
13. T & C Roofing INC DBA Town & Country Roofing

    Brentwood, CA · CSLB #452675 · as of October 6, 2026
    Active · clear
14. Towne Drywall INC

    El Cajon, CA · CSLB #1020340 · as of October 6, 2026
    Active · clear
15. Tri-city Acoustics INC DBA Tri-city Insulation

    Redlands, CA · CSLB #537859 · as of October 6, 2026
    Active · clear
16. Tri-county Insulation Company INC

    El Cajon, CA · CSLB #269753 · as of October 6, 2026
    Active · clear
17. True Ceilings

    Mountain Ranch, CA · CSLB #1013624 · as of October 6, 2026
    Active · clear
18. True Core Insulation

    Redding, CA · CSLB #1153357 · as of October 6, 2026
    Active · clear
19. True Heat Solutions

    Upland, CA · CSLB #1038643 · as of October 6, 2026
    Active · clear
20. Trupro Insulation

    Antioch, CA · CSLB #1132751 · as of October 6, 2026
    Active · clear
21. T & T Insulation

    Bakersfield, CA · CSLB #786913 · as of October 6, 2026
    Active · clear
22. Turner Insulation Company

    Kelseyville, CA · CSLB #785228 · as of October 6, 2026
    Active · clear
23. Tyson Insulation

    Fresno, CA · CSLB #1007422 · as of October 6, 2026
    Active · clear
24. Ultra Ceiling INC

    Fair Oaks, CA · CSLB #1082174 · as of October 6, 2026
    Active · clear
25. United Acoustics

    San Leandro, CA · CSLB #299690 · as of October 6, 2026
    Active · clear
26. United Industrial Insulation

    Bakersfield, CA · CSLB #1121010 · as of October 6, 2026
    Active · clear
27. United Insulation LLC

    Hollister, CA · CSLB #1063412 · as of October 6, 2026
    Active · clear
28. Universal Attic INC

    Fillmore, CA · CSLB #1024763 · as of October 6, 2026
    Active · clear
29. Usattic Insulation Corp

    Hayward, CA · CSLB #1159134 · as of October 6, 2026
    Active · clear
30. US Insulation INC DBA US Scaffold

    Paramount, CA · CSLB #1106931 · as of October 6, 2026
    Active · clear
31. Valley Master Insulation

    Manteca, CA · CSLB #1098262 · as of October 6, 2026
    Active · clear
32. Valley Master Insulation Corp

    Manteca, CA · CSLB #1101270 · as of October 6, 2026
    Active · clear
33. Valley Pro Roofing INC

    Fresno, CA · CSLB #1049845 · as of October 6, 2026
    Active · clear
34. Valley Roofing

    Woodland, CA · CSLB #626218 · as of October 6, 2026
    Active · clear
35. Vincent Vanlaar

    Jurupa Valley, CA · CSLB #795103 · as of October 6, 2026
    Active · clear
36. Vannetti Acoustics INC

    Sebastopol, CA · CSLB #597078 · as of October 6, 2026
    Active · clear
37. Vargas Insulation INC

    Dos Palos, CA · CSLB #1058161 · as of October 6, 2026
    Active · clear
38. Veira Acoustics

    San Lorenzo, CA · CSLB #1154857 · as of October 6, 2026
    Active · clear
39. Ventilation Nation Heating And Air Conditioning

    Elk Grove, CA · CSLB #1138047 · as of October 6, 2026
    Active · clear
40. Ventura County Acoustics

    Thousand Oaks, CA · CSLB #1017989 · as of October 6, 2026
    Active · clear
41. Vertarib INC

    Jericho, CA · CSLB #1042542 · as of October 6, 2026
    Active · clear
42. Viking Insulation

    Daytona Beach, CA · CSLB #1078076 · as of October 6, 2026
    Active · clear
43. Henry Visser Insulation

    Bakersfield, CA · CSLB #673664 · as of October 6, 2026
    Active · clear
44. Vortex Insulation INC

    Hayward, CA · CSLB #1048978 · as of October 6, 2026
    Active · clear
45. VR Insulation

    Santa Maria, CA · CSLB #1066510 · as of October 6, 2026
    Active · clear
46. Wallcraft Drywall INC

    San Dimas, CA · CSLB #1064617 · as of October 6, 2026
    Active · clear
47. Justin Clifford Walls Specialties

    Porterville, CA · CSLB #984724 · as of October 6, 2026
    Active · clear
48. Kirk Warner Drywall

    Clovis, CA · CSLB #450876 · as of October 6, 2026
    Active · clear
49. WBC Drywall INC

    Shingle Springs, CA · CSLB #1007734 · as of October 6, 2026
    Active · clear
50. Wells Acoustics

    Bakersfield, CA · CSLB #437311 · as of October 6, 2026
    Active · clear
51. West Coast Acoustical INC

    Cotati, CA · CSLB #1015421 · as of October 6, 2026
    Active · clear
52. West Coast Insulation

    Corona, CA · CSLB #774147 · as of October 6, 2026
    Active · clear
53. West Coast Insulation INC

    Hayward, CA · CSLB #732785 · as of October 6, 2026
    Active · clear
54. West Coast Mechanical Insulation INC

    Los Gatos, CA · CSLB #918941 · as of October 6, 2026
    Active · clear
55. West Coast Partitions INC

    Phoenix, CA · CSLB #1125204 · as of October 6, 2026
    Active · clear
56. Western Foam INC

    Yuba City, CA · CSLB #440672 · as of October 6, 2026
    Active · clear
57. Western Industrial Insulation INC

    Bloomfield, CA · CSLB #883613 · as of October 6, 2026
    Active · clear
58. Wilson Acoustical Ceilings

    Riverside, CA · CSLB #699454 · as of October 6, 2026
    Active · clear
59. Wiltshire Urethane Foam Company

    San Dimas, CA · CSLB #1008304 · as of October 6, 2026
    Active · clear
60. Win-r Insulation Incorporated

    Klamath Falls, CA · CSLB #651499 · 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.