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 421–480 of 691 contractors

M G Interiors INC
La Mirada, CA · CSLB #575194 · as of June 27, 2026
Active · clear
MGT Insulation INC
San Jose, CA · CSLB #1128483 · as of June 27, 2026
Active · clear
Mib Heating & Air INC
Woodland, CA · CSLB #1070438 · as of June 27, 2026
Active · clear
Miller Attics
Walnut Creek, CA · CSLB #1150503 · as of June 27, 2026
Active · clear
Mission Accomplished Contracting INC
Lake Havasu City, CA · CSLB #1109837 · as of June 27, 2026
Active · clear
M L Interiors
Moreno Valley, CA · CSLB #565192 · as of June 27, 2026
Active · clear
Modern Interiors INC
Long Beach, CA · CSLB #1076793 · as of June 27, 2026
Active · clear
Monarch Insulation
Costa Mesa, CA · CSLB #1088440 · as of June 27, 2026
Active · clear
Mora Acoustics
Malibu, CA · CSLB #781513 · as of June 27, 2026
Active · clear
Mountain Insulation
Grass Valley, CA · CSLB #1137068 · as of June 27, 2026
Active · clear
Moxie Insulation Services LLC
San Diego, CA · CSLB #1148964 · as of June 27, 2026
Active · clear
MY Insulation Guy INC
Riverside, CA · CSLB #1049977 · as of June 27, 2026
Active · clear
Nas Acoustics INC
Riverside, CA · CSLB #1143908 · as of June 27, 2026
Active · clear
National Paving Company INC
Riverside, CA · CSLB #583376 · as of June 27, 2026
Active · clear
National Systems Insulation
Redding, CA · CSLB #552737 · as of June 27, 2026
Active · clear
Next Level Insulation
Riverside, CA · CSLB #1101777 · as of June 27, 2026
Active · clear
Nguyen Insulation INC
Austin, CA · CSLB #1140240 · as of June 27, 2026
Active · clear
NH Ceilings INC
Los Angeles, CA · CSLB #1142396 · as of June 27, 2026
Active · clear
Nitram Acoustics
Hayward, CA · CSLB #1121212 · as of June 27, 2026
Active · clear
Noble Insulation INC
Richmond, CA · CSLB #1007501 · as of June 27, 2026
Active · clear
Nor - Cal Acoustics
Walnut Creek, CA · CSLB #998459 · as of June 27, 2026
Active · clear
Nor-cal Insulation INC
Hollister, CA · CSLB #944403 · as of June 27, 2026
Active · clear
North Bay Acoustics
Sebastopol, CA · CSLB #538873 · as of June 27, 2026
Active · clear
North Bay Pacific Insulators LLC
Santa Rosa, CA · CSLB #1099244 · as of June 27, 2026
Active · clear
Northcoast Acoustics
Eureka, CA · CSLB #463191 · as of June 27, 2026
Active · clear
North County Insulation INC
Atascadero, CA · CSLB #616553 · as of June 27, 2026
Active · clear
Northgate Acoustics INC
Novato, CA · CSLB #902329 · as of June 27, 2026
Active · clear
Northstar Insulation LLC
Atwater, CA · CSLB #1002663 · as of June 27, 2026
Active · clear
Northstate Acoustics Plus LLC
Redding, CA · CSLB #1155773 · as of June 27, 2026
Active · clear
N S G Acoustics
Highland Park, CA · CSLB #891537 · as of June 27, 2026
Active · clear
NSL Acoustics
Elk Grove, CA · CSLB #910109 · as of June 27, 2026
Active · clear
Oasis Air And Solar
Bakersfield, CA · CSLB #1038061 · as of June 27, 2026
Active · clear
Oc Insulation
Riverside, CA · CSLB #1145033 · as of June 27, 2026
Active · clear
Oj Specialty Contracting, LLC
Columbus, CA · CSLB #1121154 · as of June 27, 2026
Active · clear
Ric Olstad Roofing
Woodland, CA · CSLB #742990 · as of June 27, 2026
Active · clear
Omega Drywall Construction INC
San Marcos, CA · CSLB #969461 · as of June 27, 2026
Active · clear
Orkin Insulation Services
Riverside, CA · CSLB #1124938 · as of June 27, 2026
Active · clear
Otter Insulation LLC
Santa Fe Springs, CA · CSLB #1109322 · as of June 27, 2026
Active · clear
Pacific Coast Termite INC
Fremont, CA · CSLB #1060229 · as of June 27, 2026
Active · clear
J R Lankford INC DBA Pacific Roofing Company
Modesto, CA · CSLB #188886 · as of June 27, 2026
Active · clear
Pacific States Insulation & Acoustical Contracting INC
Oakland, CA · CSLB #939943 · as of June 27, 2026
Active · clear
Panda HVAC
Concord, CA · CSLB #1040824 · as of June 27, 2026
Active · clear
Paragon Acoustical Company INC
Chino, CA · CSLB #658236 · as of June 27, 2026
Active · clear
Paragon Spray Foam INC
Van Nuys, CA · CSLB #1090885 · as of June 27, 2026
Active · clear
Jeff Paul
Rowland Heights, CA · CSLB #614852 · as of June 27, 2026
Active · clear
P E M Insulation CO INC
Fairfield, CA · CSLB #461833 · as of June 27, 2026
Active · clear
Performance Insulation
Montague, CA · CSLB #855598 · as of June 27, 2026
Active · clear
Petrochem Insulation INC
Tempe, CA · CSLB #300201 · as of June 27, 2026
Active · clear
Phoenix Insulation INC
Olivehurst, CA · CSLB #1131519 · as of June 27, 2026
Active · clear
Pinnacle Drywall
Upland, CA · CSLB #1131293 · as of June 27, 2026
Active · clear
Platinum Insulation & Specialties Contractor
French Camp, CA · CSLB #984046 · as of June 27, 2026
Active · clear
PLP Enterprises INC
Escondido, CA · CSLB #953698 · as of June 27, 2026
Active · clear
Polar Coatings Company
Livermore, CA · CSLB #879973 · as of June 27, 2026
Active · clear
Ponzini Insulation INC
San Juan Bautista, CA · CSLB #635993 · as of June 27, 2026
Active · clear
PRC Insulation INC
Hayward, CA · CSLB #1146785 · as of June 27, 2026
Active · clear
Preferred Firestopping INC
Corona, CA · CSLB #965711 · as of June 27, 2026
Active · clear
Preferred Insulation Contractors INC
Corona, CA · CSLB #824373 · as of June 27, 2026
Active · clear
Premier Acoustics INC
Corona, CA · CSLB #949939 · as of June 27, 2026
Active · clear
Premier Contractors INC
Newport Beach, CA · CSLB #979371 · as of June 27, 2026
Active · clear
Premier Insulation INC
Canoga Park, CA · CSLB #1091747 · 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.