Licensed Sheet Metal (C-43) contractors in Ontario, CA

The California Contractors State License Board (CSLB) lists 4 Sheet Metal (C-43) contractors in Ontario, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

4 contractors

1. American Stainless

   Ontario, CA · CSLB #1085845 · as of October 6, 2026
   Active · clear
2. Empire Sheet Metal INC

   Ontario, CA · CSLB #759685 · as of October 6, 2026
   Active · clear
3. Metal Engineering & MFG

   Ontario, CA · CSLB #409730 · as of October 6, 2026
   Active · clear
4. JC Custom Sheet Metal LLC

   Ontario, CA · CSLB #1144832 · as of October 6, 2026
   Suspended

See all Sheet Metal (C-43) contractors in California →

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.