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 June 27, 2026.

10 contractors

1. Duff CO

   Ione, CA · CSLB #742203 · as of June 27, 2026
   Active · clear
2. Engineering

   Ione, CA · CSLB #1115434 · as of June 27, 2026
   Active · clear
3. M Guadagnolo

   Ione, CA · CSLB #701154 · as of June 27, 2026
   Active · clear
4. Kreth INC

   Ione, CA · CSLB #390344 · as of June 27, 2026
   Active · clear
5. Krisman Construction

   Ione, CA · CSLB #1049520 · as of June 27, 2026
   Active · clear
6. L N C Excavating And Construction

   Ione, CA · CSLB #1027515 · as of June 27, 2026
   Active · clear
7. Milovina Construction

   Ione, CA · CSLB #1124295 · as of June 27, 2026
   Active · clear
8. R.d. Morgan Construction INC

   Ione, CA · CSLB #775301 · as of June 27, 2026
   Active · clear
9. James Richard Ulm

   Ione, CA · CSLB #652051 · as of June 27, 2026
   Active · clear
10. Lewis C Yager

    Ione, CA · CSLB #477578 · as of June 27, 2026
    Active · clear

See all General Engineering (A) contractors in California →

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.