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 October 8, 2026.

14 contractors

1. Cal Stripe INC

   Colton, CA · CSLB #685387 · as of October 8, 2026
   Active · clear
2. C A S C Engineering And Consulting INC

   Colton, CA · CSLB #690784 · as of October 8, 2026
   Active · clear
3. D M Contracting INC

   Colton, CA · CSLB #771187 · as of October 8, 2026
   Active · clear
4. Ecotec Solutions INC

   Colton, CA · CSLB #1016749 · as of October 8, 2026
   Active · clear
5. Environmental Project Services INC

   Colton, CA · CSLB #767179 · as of October 8, 2026
   Active · clear
6. Gentry General Engineering INC

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

   Colton, CA · CSLB #805934 · as of October 8, 2026
   Active · clear
8. High - Light Electric INC

   Colton, CA · CSLB #806335 · as of October 8, 2026
   Active · clear
9. MR Rooter Of San Bernardino

   Colton, CA · CSLB #1020427 · as of October 8, 2026
   Active · clear
10. Ranjo Contractors INC

    Colton, CA · CSLB #892376 · as of October 8, 2026
    Active · clear
11. S&H Civilworks

    Colton, CA · CSLB #1008640 · as of October 8, 2026
    Active · clear
12. Top Tier Plumbing And Air

    Colton, CA · CSLB #1087484 · as of October 8, 2026
    Active · clear
13. ZWW Waterworks INC

    Colton, CA · CSLB #1028406 · as of October 8, 2026
    Suspended · bond
14. Avail Engineering

    Colton, CA · CSLB #851725 · as of October 8, 2026
    Suspended · workers' comp

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.