Licensed General Engineering (A) contractors in California

The California Contractors State License Board (CSLB) lists 15,127 California contractors classified A (General Engineering (A)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 14, 2026.

Showing 9,721–9,780 of 15,127 contractors

1. Ortiz Excavating INC

   Bonita, CA · CSLB #898198 · as of October 14, 2026
   Active · clear
2. Jill K Ortiz

   Irvine, CA · CSLB #609054 · as of October 14, 2026
   Active · clear
3. Patrick A Ortiz

   Irvine, CA · CSLB #376602 · as of October 14, 2026
   Active · clear
4. Ortiz Tractor/construction Services

   Buena Park, CA · CSLB #429887 · as of October 14, 2026
   Active · clear
5. Osborn Rock Walls

   Meadow Vista, CA · CSLB #648088 · as of October 14, 2026
   Active · clear
6. Oshan Construction

   Los Angeles, CA · CSLB #871737 · as of October 14, 2026
   Active · clear
7. Michael O'shaughnessy Construction INC

   San Francisco, CA · CSLB #984235 · as of October 14, 2026
   Active · clear
8. Oshkosh Aerotech LLC

   Roy, CA · CSLB #1122674 · as of October 14, 2026
   Active · clear
9. Osiris Engineering

   Fort Bragg, CA · CSLB #876490 · as of October 14, 2026
   Active · clear
10. Osito Construction Company INC

    San Diego, CA · CSLB #1102834 · as of October 14, 2026
    Active · clear
11. Osmose Utilities Services INC

    Lithia Springs, CA · CSLB #855333 · as of October 14, 2026
    Active · clear
12. Ost Trucks And Cranes INC

    Ventura, CA · CSLB #402528 · as of October 14, 2026
    Active · clear
13. Oswalt Developers

    Los Gatos, CA · CSLB #763981 · as of October 14, 2026
    Active · clear
14. Cabinet Essentials INC DBA Otb Construction

    Antioch, CA · CSLB #791845 · as of October 14, 2026
    Active · clear
15. Eric Othman

    Stanton, CA · CSLB #1110509 · as of October 14, 2026
    Active · clear
16. Otter Construction

    Pleasanton, CA · CSLB #730162 · as of October 14, 2026
    Active · clear
17. Jeff Ott Construction

    Yucaipa, CA · CSLB #536394 · as of October 14, 2026
    Active · clear
18. Ottman Technology Construction

    Prescott, CA · CSLB #610512 · as of October 14, 2026
    Active · clear
19. John F Otto INC DBA Otto Construction

    Sacramento, CA · CSLB #178809 · as of October 14, 2026
    Active · clear
20. Our World Energy

    Phoenix, CA · CSLB #1151516 · as of October 14, 2026
    Active · clear
21. Ouse Electrical Contracting

    Turlock, CA · CSLB #869340 · as of October 14, 2026
    Active · clear
22. Ken Ouse

    Snelling, CA · CSLB #1009876 · as of October 14, 2026
    Active · clear
23. Outback Contractors, INC

    Red Bluff, CA · CSLB #950145 · as of October 14, 2026
    Active · clear
24. Outdoor Aluminum INC

    Geneva, CA · CSLB #568430 · as of October 14, 2026
    Active · clear
25. Outdoor Concepts Landscape & Design INC

    Laguna Niguel, CA · CSLB #831378 · as of October 14, 2026
    Active · clear
26. Outdoor Environments/underground Boring Systems

    Sandy, CA · CSLB #488532 · as of October 14, 2026
    Active · clear
27. Out Door Solutions

    Palo Alto, CA · CSLB #968298 · as of October 14, 2026
    Active · clear
28. Outlaw Foods INC

    Nevada City, CA · CSLB #1148569 · as of October 14, 2026
    Active · clear
29. Outside Plant Construction INC

    Pasadena, CA · CSLB #1141957 · as of October 14, 2026
    Active · clear
30. Outside The Lines INC

    Anaheim, CA · CSLB #899893 · as of October 14, 2026
    Active · clear
31. Outsource

    Artesia, CA · CSLB #968395 · as of October 14, 2026
    Active · clear
32. Ouyang General Engineering INC

    San Leandro, CA · CSLB #1136523 · as of October 14, 2026
    Active · clear
33. Ovalle Tractor And Trucking

    Clovis, CA · CSLB #1060378 · as of October 14, 2026
    Active · clear
34. Ove Naerbo

    Fallbrook, CA · CSLB #523354 · as of October 14, 2026
    Active · clear
35. C Overaa & CO

    Richmond, CA · CSLB #106793 · as of October 14, 2026
    Active · clear
36. Overall Engineering

    Oxnard, CA · CSLB #1053427 · as of October 14, 2026
    Active · clear
37. Over And Under Construction INC

    Santa Rosa, CA · CSLB #1148786 · as of October 14, 2026
    Active · clear
38. Overstreet INC

    Yucaipa, CA · CSLB #1017323 · as of October 14, 2026
    Active · clear
39. Overton Engineering INC DBA Overton Construction INC

    Santa Cruz, CA · CSLB #1081656 · as of October 14, 2026
    Active · clear
40. Overwatch Amoroso LLC

    Orange, CA · CSLB #1099616 · as of October 14, 2026
    Active · clear
41. Uyiosa Oviawe

    Tracy, CA · CSLB #1063009 · as of October 14, 2026
    Active · clear
42. Owen

    Castro Valley, CA · CSLB #395410 · as of October 14, 2026
    Active · clear
43. Mike Owen Fabrication INC

    Bakersfield, CA · CSLB #875042 · as of October 14, 2026
    Active · clear
44. Owens Const

    Applegate, CA · CSLB #434077 · as of October 14, 2026
    Active · clear
45. Owens Construction & Engineering INC

    Bakersfield, CA · CSLB #990827 · as of October 14, 2026
    Active · clear
46. Owens/maurer Construction INC

    Bakersfield, CA · CSLB #1013585 · as of October 14, 2026
    Active · clear
47. Owner Builder BY You

    Fairfield, CA · CSLB #1148057 · as of October 14, 2026
    Active · clear
48. Oxbo INC

    Scappoose, CA · CSLB #1118603 · as of October 14, 2026
    Active · clear
49. Oxborrow Enterprises INC

    Coalinga, CA · CSLB #613333 · as of October 14, 2026
    Active · clear
50. Baghouse Services INC DBA Oxidizers INC

    Corona, CA · CSLB #679456 · as of October 14, 2026
    Active · clear
51. Ozzcorp INC

    Bishop, CA · CSLB #982039 · as of October 14, 2026
    Active · clear
52. P31 Enterprises INC

    Oroville, CA · CSLB #1033427 · as of October 14, 2026
    Active · clear
53. P6 Commercial Maintenance

    Newcastle, CA · CSLB #1029453 · as of October 14, 2026
    Active · clear
54. Pac Bay Environmental Services INC

    Oakland, CA · CSLB #1034033 · as of October 14, 2026
    Active · clear
55. Pace Setter Plumbing Corporation

    Lancaster, CA · CSLB #544777 · as of October 14, 2026
    Active · clear
56. Pacfic State Paving

    Concord, CA · CSLB #1158352 · as of October 14, 2026
    Active · clear
57. Pacfic States-tyrrell A Joint Venture

    Dublin, CA · CSLB #1092458 · as of October 14, 2026
    Active · clear
58. Pacheco Backhoe Service

    Willows, CA · CSLB #987282 · as of October 14, 2026
    Active · clear
59. Pacheco Landscape & Construction INC

    Livermore, CA · CSLB #435415 · as of October 14, 2026
    Active · clear
60. Pacific Allied Group INC

    Corona, CA · CSLB #1083866 · as of October 14, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 14, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.