Licensed General Engineering (A) contractors in Ione, CA

The California Contractors State License Board (CSLB) lists 10 General Engineering (A) contractors in Ione, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 8, 2026.

10 contractors

1. Duff CO

   Ione, CA · CSLB #742203 · as of October 8, 2026
   Active · clear
2. Engineering

   Ione, CA · CSLB #1115434 · as of October 8, 2026
   Active · clear
3. M Guadagnolo

   Ione, CA · CSLB #701154 · as of October 8, 2026
   Active · clear
4. Kreth INC

   Ione, CA · CSLB #390344 · as of October 8, 2026
   Active · clear
5. Krisman Construction

   Ione, CA · CSLB #1049520 · as of October 8, 2026
   Active · clear
6. L N C Excavating And Construction

   Ione, CA · CSLB #1027515 · as of October 8, 2026
   Active · clear
7. R.d. Morgan Construction INC

   Ione, CA · CSLB #775301 · as of October 8, 2026
   Active · clear
8. James Richard Ulm

   Ione, CA · CSLB #652051 · as of October 8, 2026
   Active · clear
9. Lewis C Yager

   Ione, CA · CSLB #477578 · as of October 8, 2026
   Active · clear
10. Milovina Construction

    Ione, CA · CSLB #1124295 · as of October 8, 2026
    Suspended · bond

See all General Engineering (A) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.