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 241–300 of 691 contractors
- Active · clearEmpire Insulation ContractorsWindsor, CA · CSLB #819279 · as of June 27, 2026
- Active · clearEm Quality Insulation ServicesDucor, CA · CSLB #1063032 · as of June 27, 2026
- Active · clearEnergy Guard InsulationLafayette, CA · CSLB #1009348 · as of June 27, 2026
- Active · clearEngel Insulation INCRoseville, CA · CSLB #745646 · as of June 27, 2026
- Active · clearThomas Engel JRRoseville, CA · CSLB #743357 · as of June 27, 2026
- Active · clearEnso Building Solutions INC DBA Enso InsulationFullerton, CA · CSLB #1102528 · as of June 27, 2026
- Active · clearEpic InsulationVacaville, CA · CSLB #987822 · as of June 27, 2026
- Active · clearEverguard Home Insulation INCWoodland Hills, CA · CSLB #224328 · as of June 27, 2026
- Active · clearExcel Acoustics INCCorona, CA · CSLB #724511 · as of June 27, 2026
- Active · clearExpress Insulation INCFresno, CA · CSLB #1005178 · as of June 27, 2026
- Active · clearFamily Air Conditioning INCSimi Valley, CA · CSLB #292613 · as of June 27, 2026
- Active · clearFibers InsulationMoreno Valley, CA · CSLB #1144311 · as of June 27, 2026
- Active · clearFinest City Acoustics INCSan Diego, CA · CSLB #882817 · as of June 27, 2026
- Active · clearFinley Acoustical CeilingsMission Viejo, CA · CSLB #367671 · as of June 27, 2026
- Active · clearFirestop Insulation & Acoustical SpecialtiesSanta Clara, CA · CSLB #1081664 · as of June 27, 2026
- Active · clearFloor To CeilingsConcord, CA · CSLB #352139 · as of June 27, 2026
- Active · clearF & M Foam And CoatingSan Bernardino, CA · CSLB #913172 · as of June 27, 2026
- Active · clearFoam KingGrass Valley, CA · CSLB #1027544 · as of June 27, 2026
- Active · clearFowlers Quality RoofingIone, CA · CSLB #740226 · as of June 27, 2026
- Active · clearFrane Ceiling ServicesPoway, CA · CSLB #674034 · as of June 27, 2026
- Active · clearBuilder Services Group INC DBA Gale Contractor ServicesDaytona Beach, CA · CSLB #709417 · as of June 27, 2026
- Active · clearGarcia's Precision Acoustics INCSan Marcos, CA · CSLB #605515 · as of June 27, 2026
- Active · clearGard Acoustic INCVilla Park, CA · CSLB #486468 · as of June 27, 2026
- Active · clearGarner AcousticsLa Habra, CA · CSLB #586007 · as of June 27, 2026
- Active · clearGaxiola Insulation ServicesGarden Grove, CA · CSLB #1064707 · as of June 27, 2026
- Active · clearGbi Insulation INCPocatello, CA · CSLB #862702 · as of June 27, 2026
- Active · clearG C Acoustics INCCapistrano Beach, CA · CSLB #623801 · as of June 27, 2026
- Active · clearGC Custom Wallcoverings INCVentura, CA · CSLB #1052301 · as of June 27, 2026
- Active · clearGenesis Acoustics INCFresno, CA · CSLB #627889 · as of June 27, 2026
- Active · clearGiampolini & COEmeryville, CA · CSLB #322282 · as of June 27, 2026
- Active · clearGibson Heating And Air ConditioningRedding, CA · CSLB #385291 · as of June 27, 2026
- Active · clearGilmore CompanySan Rafael, CA · CSLB #941806 · as of June 27, 2026
- Active · clearE B Gilmore & Sons Mechanical Services INCSan Francisco, CA · CSLB #740278 · as of June 27, 2026
- Active · clearGodinez Insulation INCSalinas, CA · CSLB #1126322 · as of June 27, 2026
- Active · clearGo Green InsulationVerdi, CA · CSLB #940286 · as of June 27, 2026
- Active · clearGold Coast Insulation INCLompoc, CA · CSLB #1128613 · as of June 27, 2026
- Active · clearGold Country RoofingGrass Valley, CA · CSLB #453905 · as of June 27, 2026
- Active · clearGolden Bay Insulation INCMenlo Park, CA · CSLB #967498 · as of June 27, 2026
- Active · clearGolden Bear AcousticsVacaville, CA · CSLB #717764 · as of June 27, 2026
- Active · clearGolden Gate FenceConcord, CA · CSLB #991038 · as of June 27, 2026
- Active · clearGolden State InsulationSan Lorenzo, CA · CSLB #1016833 · as of June 27, 2026
- Active · clearGonzalez Insulation CorpMoreno Valley, CA · CSLB #888344 · as of June 27, 2026
- Active · clearGood-start InsulationHemet, CA · CSLB #1118359 · as of June 27, 2026
- Active · clearGore Acoustics & Drywall Systems INCReno, CA · CSLB #947044 · as of June 27, 2026
- Active · clearG P InteriorsPhelan, CA · CSLB #690404 · as of June 27, 2026
- Active · clearJoseph Grable InsulationYucaipa, CA · CSLB #1095238 · as of June 27, 2026
- Active · clearGrani Installation INCHuntington Beach, CA · CSLB #307767 · as of June 27, 2026
- Active · clearGreat Western DrywallSan Diego, CA · CSLB #569654 · as of June 27, 2026
- Active · clearGreenlight InsulationWinters, CA · CSLB #966994 · as of June 27, 2026
- Active · clearGreen Mountain Insulation ConstructionFairfield, CA · CSLB #1114923 · as of June 27, 2026
- Active · clearGreenshield INCSanta Clara, CA · CSLB #981761 · as of June 27, 2026
- Active · clearGreiner Heating Air And Electric INCDixon, CA · CSLB #365955 · as of June 27, 2026
- Active · clearDaryl Griffis Acoustics INCSan Diego, CA · CSLB #402601 · as of June 27, 2026
- Active · clearGrizzly Ceiling Systems INCLos Gatos, CA · CSLB #786800 · as of June 27, 2026
- Active · clearG & S Acoustics INCSimi Valley, CA · CSLB #381678 · as of June 27, 2026
- Active · clearGta Drywall INCRiverside, CA · CSLB #958980 · as of June 27, 2026
- Active · clearGuardian Firestop And Insulation LLCLivermore, CA · CSLB #1125232 · as of June 27, 2026
- Active · clearGuardian Spray Foam INCAcampo, CA · CSLB #958155 · as of June 27, 2026
- Active · clearGuidry T I Acoustics INCCampbell, CA · CSLB #507877 · as of June 27, 2026
- Active · clearMartin GutierrezBakersfield, CA · CSLB #1104317 · as of June 27, 2026
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.