Licensed General Engineering (A) contractors in Diamond Bar, CA

The California Contractors State License Board (CSLB) lists 14 General Engineering (A) contractors in Diamond Bar, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

14 contractors

1. A E D Contractors

   Diamond Bar, CA · CSLB #441036 · as of June 27, 2026
   Active · clear
2. Aveo INC

   Diamond Bar, CA · CSLB #969881 · as of June 27, 2026
   Active · clear
3. CT & T Concrete Paving INC

   Diamond Bar, CA · CSLB #875627 · as of June 27, 2026
   Active · clear
4. Echo Development INC

   Diamond Bar, CA · CSLB #993395 · as of June 27, 2026
   Active · clear
5. Falkon Construction INC

   Diamond Bar, CA · CSLB #911791 · as of June 27, 2026
   Active · clear
6. Fueltec INC

   Diamond Bar, CA · CSLB #1011678 · as of June 27, 2026
   Active · clear
7. Grand Space

   Diamond Bar, CA · CSLB #1075915 · as of June 27, 2026
   Active · clear
8. Isre Interact Solutions Real Estate

   Diamond Bar, CA · CSLB #1066181 · as of June 27, 2026
   Active · clear
9. La Electrical & Construction INC

   Diamond Bar, CA · CSLB #1119000 · as of June 27, 2026
   Active · clear
10. Maj Engineering

    Diamond Bar, CA · CSLB #1089238 · as of June 27, 2026
    Active · clear
11. Mirae Construction CO

    Diamond Bar, CA · CSLB #876472 · as of June 27, 2026
    Active · clear
12. Place Construction & Development INC

    Diamond Bar, CA · CSLB #515653 · as of June 27, 2026
    Active · clear
13. Pub Construction INC

    Diamond Bar, CA · CSLB #788668 · as of June 27, 2026
    Active · clear
14. Tetra Tech Bas INC

    Diamond Bar, CA · CSLB #572017 · 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.