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 541–600 of 691 contractors

S B I Interiors INC
San Jose, CA · CSLB #983778 · as of June 27, 2026
Active · clear
SB Spray Foam LLC
Santa Barbara, CA · CSLB #998927 · as of June 27, 2026
Active · clear
Scott Acoustics INC
Anderson, CA · CSLB #689865 · as of June 27, 2026
Active · clear
Scot - Therm Insulation INC
Scottsdale, CA · CSLB #856682 · as of June 27, 2026
Active · clear
SCX Unlimited
Santa Clara, CA · CSLB #1053693 · as of June 27, 2026
Active · clear
Service Champions
Pleasanton, CA · CSLB #817040 · as of June 27, 2026
Active · clear
Service Genius Corporation
Chatsworth, CA · CSLB #1030812 · as of June 27, 2026
Active · clear
Service Giant
Simi Valley, CA · CSLB #1070085 · as of June 27, 2026
Active · clear
Sierra Air Heating & Plumbing
Reno, CA · CSLB #652354 · as of June 27, 2026
Active · clear
Sierra Insulation CO INC
Auburn, CA · CSLB #444172 · as of June 27, 2026
Active · clear
Sierra Insulation Contractors Ii LLC
Columbus, CA · CSLB #1011181 · as of June 27, 2026
Active · clear
Simmitri INC
Morgan Hill, CA · CSLB #765156 · as of June 27, 2026
Active · clear
Edwin Stoner Smith Insulation
Corning, CA · CSLB #1010534 · as of June 27, 2026
Active · clear
Joey Smith
Modesto, CA · CSLB #922457 · as of June 27, 2026
Active · clear
Socal Acoustical INC
La Puente, CA · CSLB #1014260 · as of June 27, 2026
Active · clear
So-cal Insulation INC
Los Angeles, CA · CSLB #824734 · as of June 27, 2026
Active · clear
Sonoma Drywall & Insulation
Santa Rosa, CA · CSLB #1052169 · as of June 27, 2026
Active · clear
Sound Control Company
Valencia, CA · CSLB #148569 · as of June 27, 2026
Active · clear
Sound Management Group Limited Liability Company
Rohnert Park, CA · CSLB #1080714 · as of June 27, 2026
Active · clear
GS Williams INC DBA Sound Solution Group
Rocklin, CA · CSLB #837506 · as of June 27, 2026
Active · clear
Southcoast Acoustical Interiors INC
Fontana, CA · CSLB #738787 · as of June 27, 2026
Active · clear
South Coast Mechanical Insulation LLC
Lakewood, CA · CSLB #1085251 · as of June 27, 2026
Active · clear
Southern California Acoustics
Escondido, CA · CSLB #798165 · as of June 27, 2026
Active · clear
Southern California Insulator
Rialto, CA · CSLB #1061594 · as of June 27, 2026
Active · clear
Southwest Specialty Contractors LLC
Las Vegas, CA · CSLB #978723 · as of June 27, 2026
Active · clear
Spar Plumbing
Norco, CA · CSLB #873026 · as of June 27, 2026
Active · clear
Spec 7 LLC
Lakeside, CA · CSLB #1028492 · as of June 27, 2026
Active · clear
Specialized Acoustics INC
Brea, CA · CSLB #1029873 · as of June 27, 2026
Active · clear
Specialized Systems & Insulation INC
Spring Valley, CA · CSLB #992121 · as of June 27, 2026
Active · clear
Specialty Acoustics INC
San Diego, CA · CSLB #1059778 · as of June 27, 2026
Active · clear
Specialty Products Group INC
Santa Ana, CA · CSLB #1019512 · as of June 27, 2026
Active · clear
Spectrum Insulation LLC
Carmichael, CA · CSLB #1031049 · as of June 27, 2026
Active · clear
Sports Facility Acoustics INC
Elyria, CA · CSLB #764453 · as of June 27, 2026
Active · clear
Spray Foam Customs INC
San Lorenzo, CA · CSLB #1030076 · as of June 27, 2026
Active · clear
Spray Foam Solutions
Coachella, CA · CSLB #1115930 · as of June 27, 2026
Active · clear
Spring Valley Insulation Contractors
Spring Valley, CA · CSLB #202032 · as of June 27, 2026
Active · clear
Sprinkmann Sons Corporation
Milwaukee, CA · CSLB #141212 · as of June 27, 2026
Active · clear
SRS Roofing & Solar INC
San Leandro, CA · CSLB #1062963 · as of June 27, 2026
Active · clear
Eric Stark Interiors INC
San Jose, CA · CSLB #591877 · as of June 27, 2026
Active · clear
Statewide Premium Insulation Services INC
Shafter, CA · CSLB #1012862 · as of June 27, 2026
Active · clear
Staxx INC
Rancho Cordova, CA · CSLB #1055149 · as of June 27, 2026
Active · clear
Stellar Insulation
Sacramento, CA · CSLB #943018 · as of June 27, 2026
Active · clear
Stites Acoustical Services
Canyon Lake, CA · CSLB #1116045 · as of June 27, 2026
Active · clear
Stitser Drywall
Reno, CA · CSLB #591302 · as of June 27, 2026
Active · clear
Straight Edge Roofing INC
Atwater, CA · CSLB #839371 · as of June 27, 2026
Active · clear
Sunshine Metal Clad INC
Bakersfield, CA · CSLB #497698 · as of June 27, 2026
Active · clear
Superior Specialties INC DBA Superior Firestop & Insulation
Ripon, CA · CSLB #825814 · as of June 27, 2026
Active · clear
Superior Insulation
San Jose, CA · CSLB #1146932 · as of June 27, 2026
Active · clear
Superior Mechanical Insulation INC
Merced, CA · CSLB #989343 · as of June 27, 2026
Active · clear
Superl INC
Lino Lakes, CA · CSLB #719454 · as of June 27, 2026
Active · clear
Swplumbinc
Alpine, CA · CSLB #1008750 · as of June 27, 2026
Active · clear
T 3 INC
Fremont, CA · CSLB #805816 · as of June 27, 2026
Active · clear
Taylor Insulation Contractors LTD
Apple Valley, CA · CSLB #961386 · as of June 27, 2026
Active · clear
T & D Insulation & Raingutters
Granada Hills, CA · CSLB #429836 · as of June 27, 2026
Active · clear
Tech-wall Of Ventura INC
Ventura, CA · CSLB #599057 · as of June 27, 2026
Active · clear
Tecon Services INC
Houston, CA · CSLB #473816 · as of June 27, 2026
Active · clear
Temper Insulation CO INC
San Francisco, CA · CSLB #475279 · as of June 27, 2026
Active · clear
The Attic Insulation Specialists
Woodland Hills, CA · CSLB #1139733 · as of June 27, 2026
Active · clear
Thermacore Insulation INC
Stockton, CA · CSLB #1154818 · as of June 27, 2026
Active · clear
Thermal Advantage Of California INC
Vista, CA · CSLB #1126284 · 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.