Licensed Insulation & Acoustical (C-2) contractors in Corona, CA

The California Contractors State License Board (CSLB) lists 7 Insulation & Acoustical (C-2) contractors in Corona, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of August 11, 2026.

7 contractors

1. Excel Acoustics INC

   Corona, CA · CSLB #724511 · as of August 11, 2026
   Active · clear
2. Preferred Firestopping INC

   Corona, CA · CSLB #965711 · as of August 11, 2026
   Active · clear
3. Preferred Insulation Contractors INC

   Corona, CA · CSLB #824373 · as of August 11, 2026
   Active · clear
4. Premier Acoustics INC

   Corona, CA · CSLB #949939 · as of August 11, 2026
   Active · clear
5. West Coast Insulation

   Corona, CA · CSLB #774147 · as of August 11, 2026
   Active · clear
6. Brian Record DBA Advanced Mechanical Specialities

   Corona, CA · CSLB #1053580 · as of August 11, 2026
   Suspended · bond
7. Mechanical Innovative Technologies INC

   Corona, CA · CSLB #1136916 · as of August 11, 2026
   Suspended · bond

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Data sourced from the California Contractors State License Board (CSLB), current as of August 11, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.