Licensed General Engineering (A) contractors in California

The California Contractors State License Board (CSLB) lists 15,133 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 18, 2026.

Showing 11,401–11,460 of 15,133 contractors

1. Rubicon Engineering Corporation

   Orange, CA · CSLB #850419 · as of October 18, 2026
   Active · clear
2. Applied Diving Services INC DBA Rubicon Pacific Marine

   Conroe, CA · CSLB #942354 · as of October 18, 2026
   Active · clear
3. Rubik Built LLC

   Modesto, CA · CSLB #1047188 · as of October 18, 2026
   Active · clear
4. Rubix Engineering

   Irvine, CA · CSLB #1122155 · as of October 18, 2026
   Active · clear
5. Ruby's Builder INC

   Jurupa Valley, CA · CSLB #815758 · as of October 18, 2026
   Active · clear
6. Rudolph & Sletten INC

   Menlo Park, CA · CSLB #198069 · as of October 18, 2026
   Active · clear
7. Rudolph & Sletten INC / Tutor Perini Building Corp Joint Venture

   Menlo Park, CA · CSLB #952158 · as of October 18, 2026
   Active · clear
8. Rudolph & Sons

   Antioch, CA · CSLB #813850 · as of October 18, 2026
   Active · clear
9. Jack A Rudometkin Const CO

   Whittier, CA · CSLB #331651 · as of October 18, 2026
   Active · clear
10. Rugged Rock Engineering

    Nevada City, CA · CSLB #1092309 · as of October 18, 2026
    Active · clear
11. A Ruiz Construction CO & Assoc INC

    San Francisco, CA · CSLB #427657 · as of October 18, 2026
    Active · clear
12. Ruiz Demolition

    Pacoima, CA · CSLB #1068516 · as of October 18, 2026
    Active · clear
13. Ruiz Family Enterprises INC

    Kingsburg, CA · CSLB #1055499 · as of October 18, 2026
    Active · clear
14. Rummel Construction INC

    Scottsdale, CA · CSLB #979592 · as of October 18, 2026
    Active · clear
15. Rumsey / Lang Well Drilling & Pumps INC

    Shingle Springs, CA · CSLB #936606 · as of October 18, 2026
    Active · clear
16. Scott Runels Construction

    Fort Rock, CA · CSLB #342700 · as of October 18, 2026
    Active · clear
17. Ruppert INC

    Truckee, CA · CSLB #874569 · as of October 18, 2026
    Active · clear
18. Rupps Construction Company

    Perris, CA · CSLB #733010 · as of October 18, 2026
    Active · clear
19. Rural Contracting

    Mesa, CA · CSLB #860933 · as of October 18, 2026
    Active · clear
20. Rural Focus INC DBA Rural Focus

    Placerville, CA · CSLB #1080727 · as of October 18, 2026
    Active · clear
21. Rushmore Construction Company INC

    Los Angeles, CA · CSLB #1085559 · as of October 18, 2026
    Active · clear
22. Russell Construction

    Santa Ynez, CA · CSLB #678996 · as of October 18, 2026
    Active · clear
23. J L Russell Construction - Restoration CO

    Rancho Cucamonga, CA · CSLB #702875 · as of October 18, 2026
    Active · clear
24. Mike Russell Construction INC

    Marysville, CA · CSLB #916530 · as of October 18, 2026
    Active · clear
25. Russell Oil Field Services DBA Russell Trucking

    Rio Linda, CA · CSLB #854616 · as of October 18, 2026
    Active · clear
26. Russo Environmental Services, INC

    Pittsburg, CA · CSLB #917426 · as of October 18, 2026
    Active · clear
27. Rutherford Diversified Industries INC

    Sierra Vista, CA · CSLB #857120 · as of October 18, 2026
    Active · clear
28. Ruva Engineering INC

    Fresno, CA · CSLB #1130217 · as of October 18, 2026
    Active · clear
29. R V Concrete INC

    Anaheim, CA · CSLB #924742 · as of October 18, 2026
    Active · clear
30. R W C Construction Services INC

    Huntington Beach, CA · CSLB #1065921 · as of October 18, 2026
    Active · clear
31. R & W Concrete Contractors Incorporated

    San Carlos, CA · CSLB #306552 · as of October 18, 2026
    Active · clear
32. RWJ Construction Services

    Winchester, CA · CSLB #1091219 · as of October 18, 2026
    Active · clear
33. R W R Construction INC

    San Rafael, CA · CSLB #527433 · as of October 18, 2026
    Active · clear
34. RX Lodge

    Granite Bay, CA · CSLB #1082749 · as of October 18, 2026
    Active · clear
35. Ryanco Construction

    Laguna Hills, CA · CSLB #1093612 · as of October 18, 2026
    Active · clear
36. The Ryan Company INC DBA The Ryan Company Incorporated Of

    Norton, CA · CSLB #774698 · as of October 18, 2026
    Active · clear
37. Ryan Engineering Incorporated

    Sonoma, CA · CSLB #476513 · as of October 18, 2026
    Active · clear
38. W J Ryan

    Santa Rosa, CA · CSLB #757262 · as of October 18, 2026
    Active · clear
39. Ryco INC

    Reseda, CA · CSLB #1059647 · as of October 18, 2026
    Active · clear
40. Rycon

    Fullerton, CA · CSLB #971914 · as of October 18, 2026
    Active · clear
41. R Y Construction

    Lower Lake, CA · CSLB #567251 · as of October 18, 2026
    Active · clear
42. S2 / H Construction Group

    San Francisco, CA · CSLB #772896 · as of October 18, 2026
    Active · clear
43. S2serm LLC

    Danville, CA · CSLB #1146389 · as of October 18, 2026
    Active · clear
44. S4 Engineering INC

    Victorville, CA · CSLB #1162341 · as of October 18, 2026
    Active · clear
45. George M Saam Iii

    Santa Cruz, CA · CSLB #330675 · as of October 18, 2026
    Active · clear
46. Sabby Enterprise

    Marina Del Rey, CA · CSLB #693306 · as of October 18, 2026
    Active · clear
47. Thomas Issa Saberi

    San Francisco, CA · CSLB #1075023 · as of October 18, 2026
    Active · clear
48. Sabetian Contracting

    Tiburon, CA · CSLB #1131008 · as of October 18, 2026
    Active · clear
49. Saboo INC

    Brentwood, CA · CSLB #896479 · as of October 18, 2026
    Active · clear
50. Sabovich And Sons Engineering INC

    Arroyo Grande, CA · CSLB #707288 · as of October 18, 2026
    Active · clear
51. Sabu

    Riverside, CA · CSLB #853837 · as of October 18, 2026
    Active · clear
52. S A C INC

    Hughson, CA · CSLB #466803 · as of October 18, 2026
    Active · clear
53. Sa Connects A Joint Venture

    Corapolis, CA · CSLB #1103030 · as of October 18, 2026
    Active · clear
54. Sacramento Engineers & Contractors INC

    Sacramento, CA · CSLB #1132954 · as of October 18, 2026
    Active · clear
55. Sacramento Sewer & Drain

    Placerville, CA · CSLB #1042017 · as of October 18, 2026
    Active · clear
56. Sacvalley General Engineering INC

    Elk Grove, CA · CSLB #1123371 · as of October 18, 2026
    Active · clear
57. Saddleback Development Corporation

    Trabuco Canyon, CA · CSLB #870126 · as of October 18, 2026
    Active · clear
58. Sae Consulting Engineering

    San Jose, CA · CSLB #987625 · as of October 18, 2026
    Active · clear
59. Sael Construction Corporation

    San Diego, CA · CSLB #1086338 · as of October 18, 2026
    Active · clear
60. Saenz Landscape Construction Company

    Rancho Cordova, CA · CSLB #551658 · as of October 18, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 18, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.