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 601–660 of 691 contractors

1. Thermal Systems Mechanical Insulation INC

   Sheridan, CA · CSLB #853989 · as of June 27, 2026
   Active · clear
2. Thermo Bay Insulation

   Stockton, CA · CSLB #1030570 · as of June 27, 2026
   Active · clear
3. Thermo Shield Insulation

   Rialto, CA · CSLB #1145229 · as of June 27, 2026
   Active · clear
4. Tigre Firestop & Insulation

   Hayward, CA · CSLB #1074496 · as of June 27, 2026
   Active · clear
5. Tikal Acoustic INC

   Northridge, CA · CSLB #903499 · as of June 27, 2026
   Active · clear
6. Top Quality Insulation & Fireplaces INC

   Valley Springs, CA · CSLB #591798 · as of June 27, 2026
   Active · clear
7. T & C Roofing INC DBA Town & Country Roofing

   Brentwood, CA · CSLB #452675 · as of June 27, 2026
   Active · clear
8. Towne Drywall INC

   El Cajon, CA · CSLB #1020340 · as of June 27, 2026
   Active · clear
9. Tri-city Acoustics INC DBA Tri-city Insulation

   Redlands, CA · CSLB #537859 · as of June 27, 2026
   Active · clear
10. Tri-county Insulation Company INC

    El Cajon, CA · CSLB #269753 · as of June 27, 2026
    Active · clear
11. True Ceilings

    Mountain Ranch, CA · CSLB #1013624 · as of June 27, 2026
    Active · clear
12. True Core Insulation

    Redding, CA · CSLB #1153357 · as of June 27, 2026
    Active · clear
13. True Heat Solutions

    Upland, CA · CSLB #1038643 · as of June 27, 2026
    Active · clear
14. True Heat Solutions Norcal

    Upland, CA · CSLB #1068188 · as of June 27, 2026
    Active · clear
15. Trupro Insulation

    Antioch, CA · CSLB #1132751 · as of June 27, 2026
    Active · clear
16. T & T Insulation

    Bakersfield, CA · CSLB #786913 · as of June 27, 2026
    Active · clear
17. Tugwell Roofing CO

    Anderson, CA · CSLB #1019496 · as of June 27, 2026
    Active · clear
18. Turner Insulation Company

    Kelseyville, CA · CSLB #785228 · as of June 27, 2026
    Active · clear
19. Tyson Insulation

    Fresno, CA · CSLB #1007422 · as of June 27, 2026
    Active · clear
20. Ultra Ceiling INC

    Fair Oaks, CA · CSLB #1082174 · as of June 27, 2026
    Active · clear
21. United Acoustics

    San Leandro, CA · CSLB #299690 · as of June 27, 2026
    Active · clear
22. United Industrial Insulation

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

    Hollister, CA · CSLB #1063412 · as of June 27, 2026
    Active · clear
24. Universal Attic INC

    Fillmore, CA · CSLB #1024763 · as of June 27, 2026
    Active · clear
25. US Insulation INC DBA US Scaffold

    Paramount, CA · CSLB #1106931 · as of June 27, 2026
    Active · clear
26. Valley Master Insulation

    Manteca, CA · CSLB #1098262 · as of June 27, 2026
    Active · clear
27. Valley Master Insulation Corp

    Manteca, CA · CSLB #1101270 · as of June 27, 2026
    Active · clear
28. Valley Pro Roofing INC

    Fresno, CA · CSLB #1049845 · as of June 27, 2026
    Active · clear
29. Valley Roofing

    Woodland, CA · CSLB #626218 · as of June 27, 2026
    Active · clear
30. Vincent Vanlaar

    Jurupa Valley, CA · CSLB #795103 · as of June 27, 2026
    Active · clear
31. Vannetti Acoustics INC

    Sebastopol, CA · CSLB #597078 · as of June 27, 2026
    Active · clear
32. Vargas Insulation INC

    Dos Palos, CA · CSLB #1058161 · as of June 27, 2026
    Active · clear
33. Veira Acoustics

    San Lorenzo, CA · CSLB #1154857 · as of June 27, 2026
    Active · clear
34. Ventilation Nation Heating And Air Conditioning

    Elk Grove, CA · CSLB #1138047 · as of June 27, 2026
    Active · clear
35. Ventura County Acoustics

    Thousand Oaks, CA · CSLB #1017989 · as of June 27, 2026
    Active · clear
36. Vertarib INC

    Jericho, CA · CSLB #1042542 · as of June 27, 2026
    Active · clear
37. Viking Insulation

    Daytona Beach, CA · CSLB #1078076 · as of June 27, 2026
    Active · clear
38. Henry Visser Insulation

    Bakersfield, CA · CSLB #673664 · as of June 27, 2026
    Active · clear
39. Vortex Insulation INC

    Hayward, CA · CSLB #1048978 · as of June 27, 2026
    Active · clear
40. VR Insulation

    Santa Maria, CA · CSLB #1066510 · as of June 27, 2026
    Active · clear
41. Wallcraft Drywall INC

    San Dimas, CA · CSLB #1064617 · as of June 27, 2026
    Active · clear
42. Justin Clifford Walls Specialties

    Porterville, CA · CSLB #984724 · as of June 27, 2026
    Active · clear
43. Kirk Warner Drywall

    Clovis, CA · CSLB #450876 · as of June 27, 2026
    Active · clear
44. WBC Drywall INC

    Shingle Springs, CA · CSLB #1007734 · as of June 27, 2026
    Active · clear
45. Weaver Roofing INC

    Carmichael, CA · CSLB #993752 · as of June 27, 2026
    Active · clear
46. Wells Acoustics

    Bakersfield, CA · CSLB #437311 · as of June 27, 2026
    Active · clear
47. West Coast Acoustical INC

    Cotati, CA · CSLB #1015421 · as of June 27, 2026
    Active · clear
48. West Coast Insulation

    Corona, CA · CSLB #774147 · as of June 27, 2026
    Active · clear
49. West Coast Insulation INC

    Hayward, CA · CSLB #732785 · as of June 27, 2026
    Active · clear
50. West Coast Mechanical Insulation INC

    Los Gatos, CA · CSLB #918941 · as of June 27, 2026
    Active · clear
51. West Coast Partitions INC

    Phoenix, CA · CSLB #1125204 · as of June 27, 2026
    Active · clear
52. Western Foam INC

    Yuba City, CA · CSLB #440672 · as of June 27, 2026
    Active · clear
53. Western Industrial Insulation INC

    Bloomfield, CA · CSLB #883613 · as of June 27, 2026
    Active · clear
54. Wilson Acoustical Ceilings

    Riverside, CA · CSLB #699454 · as of June 27, 2026
    Active · clear
55. Wiltshire Urethane Foam Company

    San Dimas, CA · CSLB #1008304 · as of June 27, 2026
    Active · clear
56. Win-r Insulation Incorporated

    Klamath Falls, CA · CSLB #651499 · as of June 27, 2026
    Active · clear
57. Winters Acoustics

    Lake Hauasu City, CA · CSLB #702008 · as of June 27, 2026
    Active · clear
58. Wonderful Attic Care INC

    Encino, CA · CSLB #1110148 · as of June 27, 2026
    Active · clear
59. Woodward Acoustics INC

    Atascadero, CA · CSLB #600439 · as of June 27, 2026
    Active · clear
60. YM Insulation

    Chatsworth, CA · CSLB #1047533 · 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.