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 481–540 of 696 contractors

Premium Insulation Services INC
Bakersfield, CA · CSLB #1010589 · as of October 6, 2026
Active · clear
Prestige Insulation
Bridgeport, CA · CSLB #1151761 · as of October 6, 2026
Active · clear
Prime Acoustics
Westlake Village, CA · CSLB #739826 · as of October 6, 2026
Active · clear
Process Cooling International LLC
Modesto, CA · CSLB #1133819 · as of October 6, 2026
Active · clear
Procraft Acoustics
San Bernardino, CA · CSLB #1072654 · as of October 6, 2026
Active · clear
Professional Ceilings Incorporated
Sacramento, CA · CSLB #1047444 · as of October 6, 2026
Active · clear
Pro Insulation INC
Ontario, CA · CSLB #898228 · as of October 6, 2026
Active · clear
Pro Insulation & Rodents LLC
Hayward, CA · CSLB #1138592 · as of October 6, 2026
Active · clear
Pro Service Insulation
Murrieta, CA · CSLB #1025451 · as of October 6, 2026
Active · clear
Pro-set General Construction
Montebello, CA · CSLB #1134940 · as of October 6, 2026
Active · clear
Pro Wall Lath & Plaster INC
Escondido, CA · CSLB #818219 · as of October 6, 2026
Active · clear
Pro West Insulation
Fresno, CA · CSLB #1123787 · as of October 6, 2026
Active · clear
Pure Eco INC
Chatsworth, CA · CSLB #993589 · as of October 6, 2026
Active · clear
Purl's Sheet Metal & Air Conditioning
Madera, CA · CSLB #463756 · as of October 6, 2026
Active · clear
Pyramid Interiors INC
Downey, CA · CSLB #967625 · as of October 6, 2026
Active · clear
Quality Control 7 Insulation INC
Paramount, CA · CSLB #1146744 · as of October 6, 2026
Active · clear
Quality Insulation Services INC
Tracy, CA · CSLB #1129494 · as of October 6, 2026
Active · clear
Quality Mechanical Insulation INC
Murrieta, CA · CSLB #966496 · as of October 6, 2026
Active · clear
Mike Rabaino Roofing INC
Woodland, CA · CSLB #718002 · as of October 6, 2026
Active · clear
Ramco
Madera, CA · CSLB #933661 · as of October 6, 2026
Active · clear
Ram Insulation INC
Signal Hill, CA · CSLB #994116 · as of October 6, 2026
Active · clear
R B H Insulation INC
Hawthorne, CA · CSLB #558799 · as of October 6, 2026
Active · clear
R C Enterprizes
Bakersfield, CA · CSLB #491517 · as of October 6, 2026
Active · clear
R E Drywall Contracting INC
San Dimas, CA · CSLB #584494 · as of October 6, 2026
Active · clear
Redwood Insulation
Fulton, CA · CSLB #1044785 · as of October 6, 2026
Active · clear
Relyont Insulation
Mission Viejo, CA · CSLB #1111555 · as of October 6, 2026
Active · clear
Remedi8 LLC
Lenexa, CA · CSLB #1056460 · as of October 6, 2026
Active · clear
Richard Smith
Novato, CA · CSLB #1136072 · as of October 6, 2026
Active · clear
Ridout Roofing Company INC
San Leandro, CA · CSLB #260176 · as of October 6, 2026
Active · clear
Rig Insulation
Las Vegas, CA · CSLB #1052637 · as of October 6, 2026
Active · clear
Rivera Construction
Sonora, CA · CSLB #823218 · as of October 6, 2026
Active · clear
Rivercity Roofing INC
West Sacramento, CA · CSLB #985269 · as of October 6, 2026
Active · clear
R J I Acoustics
San Diego, CA · CSLB #1108320 · as of October 6, 2026
Active · clear
I V Mechanical INC DBA R & K Air Conditioning
El Centro, CA · CSLB #839022 · as of October 6, 2026
Active · clear
R-line Insulation Incorporated
Stockton, CA · CSLB #1075141 · as of October 6, 2026
Active · clear
RMC Insulation Experts INC
Manteca, CA · CSLB #1148439 · as of October 6, 2026
Active · clear
R M Insulation
Ducor, CA · CSLB #768657 · as of October 6, 2026
Active · clear
Robert Insulation & Drywall INC
Novato, CA · CSLB #704473 · as of October 6, 2026
Active · clear
Roberts Firestop
Stockton, CA · CSLB #478057 · as of October 6, 2026
Active · clear
Victor M Robles Gonzalez
South Gate, CA · CSLB #768869 · as of October 6, 2026
Active · clear
Rodriguez Insulation
Fresno, CA · CSLB #928053 · as of October 6, 2026
Active · clear
Rodriguez Insulation INC
Fresno, CA · CSLB #1159224 · as of October 6, 2026
Active · clear
Rolling Plains Construction INC
Henderson, CA · CSLB #777187 · as of October 6, 2026
Active · clear
Roxxor Pro Insulation CO
Fresno, CA · CSLB #1131479 · as of October 6, 2026
Active · clear
R & R Acoustics
Hollister, CA · CSLB #557454 · as of October 6, 2026
Active · clear
R R Electric Heating & Air
Moorpark, CA · CSLB #714651 · as of October 6, 2026
Active · clear
R & R Enterprises
Davis, CA · CSLB #362907 · as of October 6, 2026
Active · clear
R & R Group INC
Riverside, CA · CSLB #1071598 · as of October 6, 2026
Active · clear
Rubio Acoustical Interiors
Brentwood, CA · CSLB #1110644 · as of October 6, 2026
Active · clear
Ruiz Insulation
Sacramento, CA · CSLB #1043821 · as of October 6, 2026
Active · clear
Russell Interior Systems
Escondido, CA · CSLB #916473 · as of October 6, 2026
Active · clear
Rywen Insulation INC
San Leandro, CA · CSLB #1140414 · as of October 6, 2026
Active · clear
Sacramento Insulation LLC
Orlando, CA · CSLB #1144490 · as of October 6, 2026
Active · clear
Safe Air Solutions Corp
Lake Forest, CA · CSLB #1159816 · as of October 6, 2026
Active · clear
Safeguard Mechanical Insulation
San Diego, CA · CSLB #1105448 · as of October 6, 2026
Active · clear
Sahuaro Insulation Services
Fontana, CA · CSLB #1038848 · as of October 6, 2026
Active · clear
Sam - Son Acoustics INC
Somis, CA · CSLB #547056 · as of October 6, 2026
Active · clear
San Francisco Interiors INC
San Rafael, CA · CSLB #804224 · as of October 6, 2026
Active · clear
Santa Cruz Insulation
Watsonville, CA · CSLB #816692 · as of October 6, 2026
Active · clear
Santa Maria Acoustical CO INC
Grover Beach, CA · CSLB #415904 · 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.