Licensed General Engineering (A) contractors in Colton, CA

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

14 contractors

1. Avail Engineering

   Colton, CA · CSLB #851725 · as of June 27, 2026
   Active · clear
2. Cal Stripe INC

   Colton, CA · CSLB #685387 · as of June 27, 2026
   Active · clear
3. C A S C Engineering And Consulting INC

   Colton, CA · CSLB #690784 · as of June 27, 2026
   Active · clear
4. D M Contracting INC

   Colton, CA · CSLB #771187 · as of June 27, 2026
   Active · clear
5. Ecotec Solutions INC

   Colton, CA · CSLB #1016749 · as of June 27, 2026
   Active · clear
6. Environmental Project Services INC

   Colton, CA · CSLB #767179 · as of June 27, 2026
   Active · clear
7. Gentry General Engineering INC

   Colton, CA · CSLB #974279 · as of June 27, 2026
   Active · clear
8. Hazmat Tsdf INC

   Colton, CA · CSLB #805934 · as of June 27, 2026
   Active · clear
9. High - Light Electric INC

   Colton, CA · CSLB #806335 · as of June 27, 2026
   Active · clear
10. MR Rooter Of San Bernardino

    Colton, CA · CSLB #1020427 · as of June 27, 2026
    Active · clear
11. Ranjo Contractors INC

    Colton, CA · CSLB #892376 · as of June 27, 2026
    Active · clear
12. S&H Civilworks

    Colton, CA · CSLB #1008640 · as of June 27, 2026
    Active · clear
13. Top Tier Plumbing And Air

    Colton, CA · CSLB #1087484 · as of June 27, 2026
    Active · clear
14. ZWW Waterworks INC

    Colton, CA · CSLB #1028406 · 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.