Licensed General Engineering (A) contractors in Livermore, CA

The California Contractors State License Board (CSLB) lists 64 General Engineering (A) contractors in Livermore, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

Showing 1–60 of 64 contractors

1. Acorn Onsite INC

   Livermore, CA · CSLB #499418 · as of June 27, 2026
   Active · clear
2. CCS

   Livermore, CA · CSLB #957965 · as of June 27, 2026
   Active · clear
3. CW Lance LLC

   Livermore, CA · CSLB #1125977 · as of June 27, 2026
   Active · clear
4. Manuel A De Freitas

   Livermore, CA · CSLB #872097 · as of June 27, 2026
   Active · clear
5. D M G Construction

   Livermore, CA · CSLB #879854 · as of June 27, 2026
   Active · clear
6. Dover Construction

   Livermore, CA · CSLB #593744 · as of June 27, 2026
   Active · clear
7. Dpi INC.

   Livermore, CA · CSLB #506605 · as of June 27, 2026
   Active · clear
8. Dun - Rite Excavating INC

   Livermore, CA · CSLB #780025 · as of June 27, 2026
   Active · clear
9. E D T Tec INC

   Livermore, CA · CSLB #830873 · as of June 27, 2026
   Active · clear
10. Evans Brothers INC

    Livermore, CA · CSLB #443018 · as of June 27, 2026
    Active · clear
11. F B D Vanguard Construction INC

    Livermore, CA · CSLB #833032 · as of June 27, 2026
    Active · clear
12. FCS Striping Sealing & Paving INC

    Livermore, CA · CSLB #777533 · as of June 27, 2026
    Active · clear
13. Fito Plumbers INC

    Livermore, CA · CSLB #1019265 · as of June 27, 2026
    Active · clear
14. Freitas Rangeland Engineering

    Livermore, CA · CSLB #845511 · as of June 27, 2026
    Active · clear
15. Fremont Paving Company INC

    Livermore, CA · CSLB #279637 · as of June 27, 2026
    Active · clear
16. Raymond A George

    Livermore, CA · CSLB #583753 · as of June 27, 2026
    Active · clear
17. G & G Builders INC

    Livermore, CA · CSLB #750759 · as of June 27, 2026
    Active · clear
18. Gibson Development And Construction

    Livermore, CA · CSLB #1039310 · as of June 27, 2026
    Active · clear
19. Golden State Landscaping

    Livermore, CA · CSLB #393345 · as of June 27, 2026
    Active · clear
20. Gradetech INC

    Livermore, CA · CSLB #628365 · as of June 27, 2026
    Active · clear
21. Green Valley Group

    Livermore, CA · CSLB #458951 · as of June 27, 2026
    Active · clear
22. G S E Construction Company INC

    Livermore, CA · CSLB #401498 · as of June 27, 2026
    Active · clear
23. GSL Construction

    Livermore, CA · CSLB #914793 · as of June 27, 2026
    Active · clear
24. Heat Transfer Systems Corporation

    Livermore, CA · CSLB #1149338 · as of June 27, 2026
    Active · clear
25. Henninger Engineering

    Livermore, CA · CSLB #892425 · as of June 27, 2026
    Active · clear
26. Hollingshaus Enterprises

    Livermore, CA · CSLB #803121 · as of June 27, 2026
    Active · clear
27. J D General Construction INC

    Livermore, CA · CSLB #391749 · as of June 27, 2026
    Active · clear
28. Jeppson Construction

    Livermore, CA · CSLB #820309 · as of June 27, 2026
    Active · clear
29. J & M INC

    Livermore, CA · CSLB #176709 · as of June 27, 2026
    Active · clear
30. K D W Construction LLC

    Livermore, CA · CSLB #983268 · as of June 27, 2026
    Active · clear
31. Kinetics Mechanical Service INC

    Livermore, CA · CSLB #907245 · as of June 27, 2026
    Active · clear
32. Kollias Construction Company

    Livermore, CA · CSLB #425152 · as of June 27, 2026
    Active · clear
33. Douglas E Lighty

    Livermore, CA · CSLB #704452 · as of June 27, 2026
    Active · clear
34. Lilja Corp

    Livermore, CA · CSLB #658760 · as of June 27, 2026
    Active · clear
35. Marciel Excavating

    Livermore, CA · CSLB #578891 · as of June 27, 2026
    Active · clear
36. Marshall Brothers Enterprises INC

    Livermore, CA · CSLB #943565 · as of June 27, 2026
    Active · clear
37. M C H Electric INC

    Livermore, CA · CSLB #660665 · as of June 27, 2026
    Active · clear
38. M&G Grading & Excavation

    Livermore, CA · CSLB #1145242 · as of June 27, 2026
    Active · clear
39. Brad Morisoli Construction

    Livermore, CA · CSLB #993951 · as of June 27, 2026
    Active · clear
40. Mountain Cascade INC

    Livermore, CA · CSLB #422496 · as of June 27, 2026
    Active · clear
41. On-site Commercial Services INC

    Livermore, CA · CSLB #936073 · as of June 27, 2026
    Active · clear
42. On Site General Engineering INC

    Livermore, CA · CSLB #1003225 · as of June 27, 2026
    Active · clear
43. Pacheco Landscape & Construction INC

    Livermore, CA · CSLB #435415 · as of June 27, 2026
    Active · clear
44. Platinum Pipeline INC

    Livermore, CA · CSLB #877073 · as of June 27, 2026
    Active · clear
45. Presidio Systems INC

    Livermore, CA · CSLB #832413 · as of June 27, 2026
    Active · clear
46. Proforma Construction INC

    Livermore, CA · CSLB #939250 · as of June 27, 2026
    Active · clear
47. Ravi Randhawa

    Livermore, CA · CSLB #1079475 · as of June 27, 2026
    Active · clear
48. Sansei Gardens INC

    Livermore, CA · CSLB #291612 · as of June 27, 2026
    Active · clear
49. Paul Santucci Gen Engineering

    Livermore, CA · CSLB #495099 · as of June 27, 2026
    Active · clear
50. Shamrock Development & Construction INC

    Livermore, CA · CSLB #892492 · as of June 27, 2026
    Active · clear
51. Silvia Excavation CO

    Livermore, CA · CSLB #713659 · as of June 27, 2026
    Active · clear
52. Smith Denison Construction CO

    Livermore, CA · CSLB #606314 · as of June 27, 2026
    Active · clear
53. Sposeto Engineering INC

    Livermore, CA · CSLB #310292 · as of June 27, 2026
    Active · clear
54. T D W Construction INC

    Livermore, CA · CSLB #474414 · as of June 27, 2026
    Active · clear
55. Tennyson Electric LLC

    Livermore, CA · CSLB #717998 · as of June 27, 2026
    Active · clear
56. TKK LLC

    Livermore, CA · CSLB #1041819 · as of June 27, 2026
    Active · clear
57. Trinity Perfect Construction INC

    Livermore, CA · CSLB #1029541 · as of June 27, 2026
    Active · clear
58. Tucknott Electric CO

    Livermore, CA · CSLB #272838 · as of June 27, 2026
    Active · clear
59. Robert A Tucknott & Associates INC

    Livermore, CA · CSLB #755258 · as of June 27, 2026
    Active · clear
60. Western Abatement INC

    Livermore, CA · CSLB #591839 · 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.