Licensed General Engineering (A) contractors in Downey, CA

The California Contractors State License Board (CSLB) lists 29 General Engineering (A) contractors in Downey, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

29 contractors

1. Aap Engineering

   Downey, CA · CSLB #1025756 · as of October 6, 2026
   Active · clear
2. A D Improvements INC

   Downey, CA · CSLB #704437 · as of October 6, 2026
   Active · clear
3. A E Construction & Environmental Services

   Downey, CA · CSLB #772677 · as of October 6, 2026
   Active · clear
4. Artlux Renovations Corp

   Downey, CA · CSLB #1152352 · as of October 6, 2026
   Active · clear
5. Beacon Energy Services INC

   Downey, CA · CSLB #939529 · as of October 6, 2026
   Active · clear
6. Cal-tron Developments INC

   Downey, CA · CSLB #1079970 · as of October 6, 2026
   Active · clear
7. Can Lines Engineering

   Downey, CA · CSLB #783887 · as of October 6, 2026
   Active · clear
8. Can Lines Engineering INC

   Downey, CA · CSLB #345161 · as of October 6, 2026
   Active · clear
9. C N B Corporation

   Downey, CA · CSLB #789423 · as of October 6, 2026
   Active · clear
10. Designer Builders INC

    Downey, CA · CSLB #844359 · as of October 6, 2026
    Active · clear
11. Elite Ramos Construction

    Downey, CA · CSLB #1094720 · as of October 6, 2026
    Active · clear
12. Farwest Corrosion Control Company

    Downey, CA · CSLB #248232 · as of October 6, 2026
    Active · clear
13. H G Design Build

    Downey, CA · CSLB #944871 · as of October 6, 2026
    Active · clear
14. Bishoui Ibrahim Attia Bastawros

    Downey, CA · CSLB #1076603 · as of October 6, 2026
    Active · clear
15. Kelterite Corporation

    Downey, CA · CSLB #944160 · as of October 6, 2026
    Active · clear
16. La Electric INC

    Downey, CA · CSLB #1018865 · as of October 6, 2026
    Active · clear
17. Mdsm Corporation

    Downey, CA · CSLB #988467 · as of October 6, 2026
    Active · clear
18. M D Stainless Services

    Downey, CA · CSLB #608186 · as of October 6, 2026
    Active · clear
19. Metric Construction

    Downey, CA · CSLB #1076758 · as of October 6, 2026
    Active · clear
20. Nebula Engineering LLC

    Downey, CA · CSLB #1133197 · as of October 6, 2026
    Active · clear
21. Pacific Power Engineering Technology INC

    Downey, CA · CSLB #645405 · as of October 6, 2026
    Active · clear
22. Paver Plus INC

    Downey, CA · CSLB #934121 · as of October 6, 2026
    Active · clear
23. Bill Petty's Backhoe Service INC

    Downey, CA · CSLB #960552 · as of October 6, 2026
    Active · clear
24. Planet Green Environmental INC

    Downey, CA · CSLB #1053689 · as of October 6, 2026
    Active · clear
25. Shawnan

    Downey, CA · CSLB #679962 · as of October 6, 2026
    Active · clear
26. Stephens Mechanical Of The Southwest LLC

    Downey, CA · CSLB #1096358 · as of October 6, 2026
    Active · clear
27. Strickland Construction

    Downey, CA · CSLB #759227 · as of October 6, 2026
    Active · clear
28. Tidwell Power Corp

    Downey, CA · CSLB #1123427 · as of October 6, 2026
    Active · clear
29. Track Zac Corporation

    Downey, CA · CSLB #1033968 · as of October 6, 2026
    Active · clear

See all General Engineering (A) 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.