Licensed General Engineering (A) contractors in Rancho Cucamonga, CA

The California Contractors State License Board (CSLB) lists 74 General Engineering (A) contractors in Rancho Cucamonga, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

Showing 1–60 of 74 contractors

1. Alliance Construction CO

   Rancho Cucamonga, CA · CSLB #916836 · as of October 6, 2026
   Active · clear
2. Armada Earthworks INC

   Rancho Cucamonga, CA · CSLB #1031638 · as of October 6, 2026
   Active · clear
3. Baldy Electric INC

   Rancho Cucamonga, CA · CSLB #318457 · as of October 6, 2026
   Active · clear
4. Baldy Utility Company INC

   Rancho Cucamonga, CA · CSLB #675005 · as of October 6, 2026
   Active · clear
5. BCM Group INC

   Rancho Cucamonga, CA · CSLB #968356 · as of October 6, 2026
   Active · clear
6. Blackgold Oil Spreading

   Rancho Cucamonga, CA · CSLB #987495 · as of October 6, 2026
   Active · clear
7. Blak Spike Rail INC

   Rancho Cucamonga, CA · CSLB #1159944 · as of October 6, 2026
   Active · clear
8. Born Construction INC

   Rancho Cucamonga, CA · CSLB #490869 · as of October 6, 2026
   Active · clear
9. Cable Brothers INC

   Rancho Cucamonga, CA · CSLB #880335 · as of October 6, 2026
   Active · clear
10. Jerry Caropino

    Rancho Cucamonga, CA · CSLB #861303 · as of October 6, 2026
    Active · clear
11. Certerra Subsurface Imaging INC

    Rancho Cucamonga, CA · CSLB #1077106 · as of October 6, 2026
    Active · clear
12. CJS Engineering INC

    Rancho Cucamonga, CA · CSLB #1152118 · as of October 6, 2026
    Active · clear
13. Coach Construction

    Rancho Cucamonga, CA · CSLB #784946 · as of October 6, 2026
    Active · clear
14. Construction West INC

    Rancho Cucamonga, CA · CSLB #860477 · as of October 6, 2026
    Active · clear
15. Cornerstone Renovation INC

    Rancho Cucamonga, CA · CSLB #1009891 · as of October 6, 2026
    Active · clear
16. Crown Construction Engineering Incorporated

    Rancho Cucamonga, CA · CSLB #1026331 · as of October 6, 2026
    Active · clear
17. Cut N DRY Restoration

    Rancho Cucamonga, CA · CSLB #1013757 · as of October 6, 2026
    Active · clear
18. Earthworks Engineering

    Rancho Cucamonga, CA · CSLB #1031142 · as of October 6, 2026
    Active · clear
19. Elite Electrical Construction Services INC

    Rancho Cucamonga, CA · CSLB #905560 · as of October 6, 2026
    Active · clear
20. Ferreira Coastal Construction CO

    Rancho Cucamonga, CA · CSLB #985180 · as of October 6, 2026
    Active · clear
21. Ferreira Power West LLC

    Rancho Cucamonga, CA · CSLB #1051285 · as of October 6, 2026
    Active · clear
22. Generator Services CO INC

    Rancho Cucamonga, CA · CSLB #882651 · as of October 6, 2026
    Active · clear
23. Goss Construction CO INC

    Rancho Cucamonga, CA · CSLB #378377 · as of October 6, 2026
    Active · clear
24. Ground Werks Plumbing And Rooter

    Rancho Cucamonga, CA · CSLB #983618 · as of October 6, 2026
    Active · clear
25. H2M Construction INC

    Rancho Cucamonga, CA · CSLB #1016007 · as of October 6, 2026
    Active · clear
26. Rifky B Hanna

    Rancho Cucamonga, CA · CSLB #839812 · as of October 6, 2026
    Active · clear
27. Hayward Environmental Consulting H E C

    Rancho Cucamonga, CA · CSLB #1016198 · as of October 6, 2026
    Active · clear
28. Haz Mat Trans INC

    Rancho Cucamonga, CA · CSLB #823171 · as of October 6, 2026
    Active · clear
29. Highball Signal INC

    Rancho Cucamonga, CA · CSLB #977882 · as of October 6, 2026
    Active · clear
30. H L Hitchcock Construction INC

    Rancho Cucamonga, CA · CSLB #1080210 · as of October 6, 2026
    Active · clear
31. Holguin & Holguin Enterprises INC

    Rancho Cucamonga, CA · CSLB #1058650 · as of October 6, 2026
    Active · clear
32. Intelligent Engineered Systems And Services

    Rancho Cucamonga, CA · CSLB #830327 · as of October 6, 2026
    Active · clear
33. Invert Construction Corp

    Rancho Cucamonga, CA · CSLB #1044261 · as of October 6, 2026
    Active · clear
34. J & K Welding

    Rancho Cucamonga, CA · CSLB #419502 · as of October 6, 2026
    Active · clear
35. J&K Welding CO INC

    Rancho Cucamonga, CA · CSLB #1108110 · as of October 6, 2026
    Active · clear
36. Jones/covey Group Incorporated

    Rancho Cucamonga, CA · CSLB #804431 · as of October 6, 2026
    Active · clear
37. J R N Engineering

    Rancho Cucamonga, CA · CSLB #357442 · as of October 6, 2026
    Active · clear
38. K - Vac Environmental Services INC

    Rancho Cucamonga, CA · CSLB #977254 · as of October 6, 2026
    Active · clear
39. William TY Larson

    Rancho Cucamonga, CA · CSLB #501029 · as of October 6, 2026
    Active · clear
40. Lion Construction

    Rancho Cucamonga, CA · CSLB #888802 · as of October 6, 2026
    Active · clear
41. Jesus Eric Marquez JR

    Rancho Cucamonga, CA · CSLB #701072 · as of October 6, 2026
    Active · clear
42. Lewis Arthur Marquez

    Rancho Cucamonga, CA · CSLB #702645 · as of October 6, 2026
    Active · clear
43. Mega Way Construction

    Rancho Cucamonga, CA · CSLB #652633 · as of October 6, 2026
    Active · clear
44. Mehas Construction INC

    Rancho Cucamonga, CA · CSLB #585432 · as of October 6, 2026
    Active · clear
45. Melaya Engineering INC

    Rancho Cucamonga, CA · CSLB #1026230 · as of October 6, 2026
    Active · clear
46. MKF Engineering & Contracting INC

    Rancho Cucamonga, CA · CSLB #769423 · as of October 6, 2026
    Active · open complaint
47. Moab Construction INC

    Rancho Cucamonga, CA · CSLB #1075876 · as of October 6, 2026
    Active · clear
48. New Legacy Development Corp

    Rancho Cucamonga, CA · CSLB #853732 · as of October 6, 2026
    Active · clear
49. Nile Ma Construction

    Rancho Cucamonga, CA · CSLB #1093536 · as of October 6, 2026
    Active · clear
50. Norfork Incorporated

    Rancho Cucamonga, CA · CSLB #868794 · as of October 6, 2026
    Active · clear
51. Norse Environmental Engineering Solutions

    Rancho Cucamonga, CA · CSLB #1056052 · as of October 6, 2026
    Active · clear
52. North Trademark Builders INC

    Rancho Cucamonga, CA · CSLB #840536 · as of October 6, 2026
    Active · clear
53. Opal Fuels Station Services LLC

    Rancho Cucamonga, CA · CSLB #1063659 · as of October 6, 2026
    Active · clear
54. P B M Construction Services

    Rancho Cucamonga, CA · CSLB #864862 · as of October 6, 2026
    Active · clear
55. Professional Electrical Construction Services INC

    Rancho Cucamonga, CA · CSLB #924855 · as of October 6, 2026
    Active · clear
56. Prosouth Builders INC

    Rancho Cucamonga, CA · CSLB #1073544 · as of October 6, 2026
    Active · clear
57. Rar Premier Builders INC

    Rancho Cucamonga, CA · CSLB #1082882 · as of October 6, 2026
    Active · clear
58. H D Rodriguez Engineering

    Rancho Cucamonga, CA · CSLB #576676 · as of October 6, 2026
    Active · clear
59. J L Russell Construction - Restoration CO

    Rancho Cucamonga, CA · CSLB #702875 · as of October 6, 2026
    Active · clear
60. Safway Atlantic

    Rancho Cucamonga, CA · CSLB #754948 · 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.