Licensed Insulation & Acoustical (C-2) contractors in Wilmington, CA
The California Contractors State License Board (CSLB) lists 2 Insulation & Acoustical (C-2) contractors in Wilmington, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.
2 contractors
- Suspended · workers' compArctic Insulation INCWilmington, CA · CSLB #566901 · as of June 27, 2026
- Suspended · workers' compBartkowski Firestop InstallationWilmington, CA · CSLB #1046655 · as of June 27, 2026
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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.