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 October 6, 2026.
2 contractors
- Active · clearArctic Insulation INCWilmington, CA · CSLB #566901 · as of October 6, 2026
- Active · clearBartkowski Firestop InstallationWilmington, CA · CSLB #1046655 · as of October 6, 2026
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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.