Licensed General Engineering (A) contractors in California

The California Contractors State License Board (CSLB) lists 15,265 California contractors classified A (General Engineering (A)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of July 7, 2026.

Showing 9,781–9,840 of 15,265 contractors

1. Oppenheimer National

   San Juan Capistrano, CA · CSLB #1095956 · as of July 7, 2026
   Active · clear
2. Opterra Energy Services LLC

   Pasadena, CA · CSLB #1142716 · as of July 7, 2026
   Active · clear
3. Optimal Earthwork And Grading INC

   San Jose, CA · CSLB #1089775 · as of July 7, 2026
   Active · clear
4. Optima R P M INC

   Irvine, CA · CSLB #961714 · as of July 7, 2026
   Active · clear
5. Optimum INC

   Bloomington, CA · CSLB #817291 · as of July 7, 2026
   Active · clear
6. Optimum Seismic INC

   Vernon, CA · CSLB #1012702 · as of July 7, 2026
   Active · clear
7. Optimum Solar Power INC

   Riverside, CA · CSLB #1024381 · as of July 7, 2026
   Active · clear
8. Optimus Engineering

   Fallbrook, CA · CSLB #1132191 · as of July 7, 2026
   Active · clear
9. Optimus Prime Engineering

   San Luis Rey, CA · CSLB #1134973 · as of July 7, 2026
   Active · clear
10. Opulent Design Build INC

    Irvine, CA · CSLB #950118 · as of July 7, 2026
    Active · clear
11. Opus Pacific Development INC

    San Mateo, CA · CSLB #801858 · as of July 7, 2026
    Active · clear
12. Oracle Abatement

    Carmichael, CA · CSLB #1134939 · as of July 7, 2026
    Active · clear
13. Oracle Properties Development INC

    Carmichael, CA · CSLB #572233 · as of July 7, 2026
    Active · clear
14. Asad Holdings LLC DBA Orangeblue General Contractors

    Laguna Hills, CA · CSLB #1074946 · as of July 7, 2026
    Active · clear
15. Orange Coast Petroleum Equipment INC

    Orange, CA · CSLB #841021 · as of July 7, 2026
    Active · clear
16. Orange Coast Solar

    North Hollywood, CA · CSLB #1110907 · as of July 7, 2026
    Active · clear
17. Orange County Asphalt INC

    Anaheim, CA · CSLB #746653 · as of July 7, 2026
    Active · clear
18. Orange County Pumping INC

    Santa Ana, CA · CSLB #680703 · as of July 7, 2026
    Active · clear
19. Orange Electrical Contractors INC

    Orange, CA · CSLB #834083 · as of July 7, 2026
    Active · clear
20. Oraway Engineering INC

    Indio, CA · CSLB #827662 · as of July 7, 2026
    Active · clear
21. Orbas & Associates

    Golden Valley, CA · CSLB #386855 · as of July 7, 2026
    Active · clear
22. West Coast Contractors INC DBA Oregon West Coast Contractors

    Coos Bay, CA · CSLB #511500 · as of July 7, 2026
    Active · clear
23. Oren Construction

    Los Angeles, CA · CSLB #652500 · as of July 7, 2026
    Active · clear
24. Mike Oreno Excavation

    Orangevale, CA · CSLB #763911 · as of July 7, 2026
    Active · clear
25. Origel Construction General Engineering

    Walnut Grove, CA · CSLB #1108988 · as of July 7, 2026
    Active · clear
26. Oriole Homes INC

    Bakersfield, CA · CSLB #934908 · as of July 7, 2026
    Active · clear
27. Orion Construction Corporation

    Vista, CA · CSLB #549309 · as of July 7, 2026
    Active · clear
28. Orion Construction Corporation / Balboa Construction INC Joint

    Vista, CA · CSLB #788132 · as of July 7, 2026
    Active · clear
29. Orion Marine Contractors INC

    Houston, CA · CSLB #961792 · as of July 7, 2026
    Active · clear
30. Orion / TC A Joint Venture

    Santee, CA · CSLB #1050216 · as of July 7, 2026
    Active · clear
31. Orman & Associates INC

    Alamo, CA · CSLB #907485 · as of July 7, 2026
    Active · clear
32. Ormat Nevada INC

    Reno, CA · CSLB #816775 · as of July 7, 2026
    Active · clear
33. Ormiston's

    Elmira, CA · CSLB #751525 · as of July 7, 2026
    Active · clear
34. Ormonde Truck And Tractor

    Arroyo Grande, CA · CSLB #796964 · as of July 7, 2026
    Active · clear
35. Ornaz Construction

    Redondo Beach, CA · CSLB #924634 · as of July 7, 2026
    Active · clear
36. Ornelas Construction INC

    Sylmar, CA · CSLB #925494 · as of July 7, 2026
    Active · clear
37. Oro Lake Constructors

    Oroville, CA · CSLB #1025072 · as of July 7, 2026
    Active · clear
38. Orr Builders

    Palm Desert, CA · CSLB #693077 · as of July 7, 2026
    Active · clear
39. Orr Construction Company

    Signal Hill, CA · CSLB #1028720 · as of July 7, 2026
    Active · clear
40. A M Ortega

    Lakeside, CA · CSLB #406981 · as of July 7, 2026
    Active · clear
41. A M Ortega Construction INC

    Lakeside, CA · CSLB #486311 · as of July 7, 2026
    Active · clear
42. Ortega Brothers General Engineering

    Ukiah, CA · CSLB #1145086 · as of July 7, 2026
    Active · clear
43. Ortega R'S Construction

    Bakersfield, CA · CSLB #808465 · as of July 7, 2026
    Active · clear
44. Ortiz Corporation

    National City, CA · CSLB #602454 · as of July 7, 2026
    Active · clear
45. Ortiz Enterprises Incorporated

    Irvine, CA · CSLB #467088 · as of July 7, 2026
    Active · clear
46. Ortiz Equipment INC

    Irvine, CA · CSLB #528891 · as of July 7, 2026
    Active · clear
47. Ortiz Excavating INC

    Bonita, CA · CSLB #898198 · as of July 7, 2026
    Active · clear
48. Jill K Ortiz

    Irvine, CA · CSLB #609054 · as of July 7, 2026
    Active · clear
49. Patrick A Ortiz

    Irvine, CA · CSLB #376602 · as of July 7, 2026
    Active · clear
50. Ortiz Tractor/construction Services

    Buena Park, CA · CSLB #429887 · as of July 7, 2026
    Active · clear
51. Osborn Rock Walls

    Meadow Vista, CA · CSLB #648088 · as of July 7, 2026
    Active · clear
52. Oshan Construction

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

    San Francisco, CA · CSLB #984235 · as of July 7, 2026
    Active · clear
54. Oshkosh Aerotech LLC

    Roy, CA · CSLB #1122674 · as of July 7, 2026
    Active · clear
55. Osiris Engineering

    Fort Bragg, CA · CSLB #876490 · as of July 7, 2026
    Active · clear
56. Osito Construction Company INC

    San Diego, CA · CSLB #1102834 · as of July 7, 2026
    Active · clear
57. Osmose Utilities Services INC

    Lithia Springs, CA · CSLB #855333 · as of July 7, 2026
    Active · clear
58. Ost Trucks And Cranes INC

    Ventura, CA · CSLB #402528 · as of July 7, 2026
    Active · clear
59. Oswalt Developers

    Los Gatos, CA · CSLB #763981 · as of July 7, 2026
    Active · clear
60. Cabinet Essentials INC DBA Otb Construction

    Antioch, CA · CSLB #791845 · as of July 7, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.