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 541–600 of 696 contractors

1. Santiago Roofing INC

   Brea, CA · CSLB #576276 · as of October 6, 2026
   Active · clear
2. Sauls Acoustical

   Santa Rosa, CA · CSLB #360726 · as of October 6, 2026
   Active · clear
3. S B I Interiors INC

   San Jose, CA · CSLB #983778 · as of October 6, 2026
   Active · clear
4. SB Spray Foam LLC

   Santa Barbara, CA · CSLB #998927 · as of October 6, 2026
   Active · clear
5. Scott Acoustics INC

   Anderson, CA · CSLB #689865 · as of October 6, 2026
   Active · clear
6. Scot - Therm Insulation INC

   Scottsdale, CA · CSLB #856682 · as of October 6, 2026
   Active · clear
7. SCX Unlimited

   Santa Clara, CA · CSLB #1053693 · as of October 6, 2026
   Active · clear
8. Service Champions

   Pleasanton, CA · CSLB #817040 · as of October 6, 2026
   Active · clear
9. Service Genius Corporation

   Chatsworth, CA · CSLB #1030812 · as of October 6, 2026
   Active · clear
10. Service Giant

    Simi Valley, CA · CSLB #1070085 · as of October 6, 2026
    Active · clear
11. Sierra Air Heating & Plumbing

    Reno, CA · CSLB #652354 · as of October 6, 2026
    Active · clear
12. Sierra Insulation CO INC

    Auburn, CA · CSLB #444172 · as of October 6, 2026
    Active · clear
13. Sierra Insulation Contractors Ii LLC

    Columbus, CA · CSLB #1011181 · as of October 6, 2026
    Active · clear
14. Simmitri INC

    Morgan Hill, CA · CSLB #765156 · as of October 6, 2026
    Active · clear
15. Skynet Acoustics

    Riverside, CA · CSLB #1081195 · as of October 6, 2026
    Active · clear
16. Skyway USA INC

    Houston, CA · CSLB #1061244 · as of October 6, 2026
    Active · clear
17. Edwin Stoner Smith Insulation

    Corning, CA · CSLB #1010534 · as of October 6, 2026
    Active · clear
18. Joey Smith

    Modesto, CA · CSLB #922457 · as of October 6, 2026
    Active · clear
19. Socal Acoustical INC

    La Puente, CA · CSLB #1014260 · as of October 6, 2026
    Active · clear
20. So-cal Insulation INC

    Los Angeles, CA · CSLB #824734 · as of October 6, 2026
    Active · clear
21. Sonoma Drywall & Insulation

    Santa Rosa, CA · CSLB #1052169 · as of October 6, 2026
    Active · clear
22. Sound Control Company

    Valencia, CA · CSLB #148569 · as of October 6, 2026
    Active · clear
23. Sound Management Group Limited Liability Company

    Rohnert Park, CA · CSLB #1080714 · as of October 6, 2026
    Active · clear
24. GS Williams INC DBA Sound Solution Group

    Rocklin, CA · CSLB #837506 · as of October 6, 2026
    Active · clear
25. Southcoast Acoustical Interiors INC

    Fontana, CA · CSLB #738787 · as of October 6, 2026
    Active · clear
26. South Coast Mechanical Insulation LLC

    Lakewood, CA · CSLB #1085251 · as of October 6, 2026
    Active · clear
27. Southern California Acoustics

    Escondido, CA · CSLB #798165 · as of October 6, 2026
    Active · clear
28. Southern California Insulator

    Rialto, CA · CSLB #1061594 · as of October 6, 2026
    Active · clear
29. Southwest Specialty Contractors LLC

    Las Vegas, CA · CSLB #978723 · as of October 6, 2026
    Active · clear
30. Spar Plumbing

    Norco, CA · CSLB #873026 · as of October 6, 2026
    Active · clear
31. Spec 7 LLC

    Lakeside, CA · CSLB #1028492 · as of October 6, 2026
    Active · clear
32. Specialized Acoustics INC

    Brea, CA · CSLB #1029873 · as of October 6, 2026
    Active · clear
33. Specialized Systems & Insulation INC

    Spring Valley, CA · CSLB #992121 · as of October 6, 2026
    Active · clear
34. Specialty Acoustics INC

    San Diego, CA · CSLB #1059778 · as of October 6, 2026
    Active · clear
35. Specialty Products Group INC

    Santa Ana, CA · CSLB #1019512 · as of October 6, 2026
    Active · clear
36. Spectrum Insulation LLC

    Carmichael, CA · CSLB #1031049 · as of October 6, 2026
    Active · clear
37. Sports Facility Acoustics INC

    Elyria, CA · CSLB #764453 · as of October 6, 2026
    Active · clear
38. Spray Foam Customs INC

    San Lorenzo, CA · CSLB #1030076 · as of October 6, 2026
    Active · clear
39. Spray Foam Solutions

    Coachella, CA · CSLB #1115930 · as of October 6, 2026
    Active · clear
40. Spray-on Foam & Coatings INC

    Brush Prairie, CA · CSLB #1043122 · as of October 6, 2026
    Active · clear
41. Spring Valley Insulation Contractors

    Spring Valley, CA · CSLB #202032 · as of October 6, 2026
    Active · clear
42. SRS Roofing & Solar INC

    San Leandro, CA · CSLB #1062963 · as of October 6, 2026
    Active · clear
43. Eric Stark Interiors INC

    San Jose, CA · CSLB #591877 · as of October 6, 2026
    Active · clear
44. Statewide Premium Insulation Services INC

    Shafter, CA · CSLB #1012862 · as of October 6, 2026
    Active · clear
45. Staxx INC

    Rancho Cordova, CA · CSLB #1055149 · as of October 6, 2026
    Active · clear
46. Stellar Insulation

    Sacramento, CA · CSLB #943018 · as of October 6, 2026
    Active · clear
47. Stites Acoustical Services

    Canyon Lake, CA · CSLB #1116045 · as of October 6, 2026
    Active · clear
48. Stitser Drywall

    Reno, CA · CSLB #591302 · as of October 6, 2026
    Active · clear
49. Straight Edge Roofing INC

    Atwater, CA · CSLB #839371 · as of October 6, 2026
    Active · clear
50. Sunshine Metal Clad INC

    Bakersfield, CA · CSLB #497698 · as of October 6, 2026
    Active · clear
51. Super Brothers & City Energy

    Citrus Heights, CA · CSLB #1161856 · as of October 6, 2026
    Active · clear
52. Superior Specialties INC DBA Superior Firestop & Insulation

    Ripon, CA · CSLB #825814 · as of October 6, 2026
    Active · clear
53. Superior Insulation

    San Jose, CA · CSLB #1146932 · as of October 6, 2026
    Active · clear
54. Superior Mechanical Insulation INC

    Merced, CA · CSLB #989343 · as of October 6, 2026
    Active · clear
55. Superl INC

    Lino Lakes, CA · CSLB #719454 · as of October 6, 2026
    Active · clear
56. Swplumbinc

    Alpine, CA · CSLB #1008750 · as of October 6, 2026
    Active · clear
57. T 3 INC

    Fremont, CA · CSLB #805816 · as of October 6, 2026
    Active · clear
58. Taylor Insulation Contractors LTD

    Apple Valley, CA · CSLB #961386 · as of October 6, 2026
    Active · clear
59. T & D Insulation & Raingutters

    Granada Hills, CA · CSLB #429836 · as of October 6, 2026
    Active · clear
60. Tech-wall Of Ventura INC

    Ventura, CA · CSLB #599057 · 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.