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 12,001–12,060 of 15,133 contractors

1. Silvestre's Mechanical Company INC

   Lodi, CA · CSLB #579216 · as of October 18, 2026
   Active · clear
2. Sim Engineering INC

   Fallbrook, CA · CSLB #688326 · as of October 18, 2026
   Active · clear
3. Simeon Corporation

   Scottsdale, CA · CSLB #927693 · as of October 18, 2026
   Active · clear
4. Simerly Construction INC

   Cameron Park, CA · CSLB #1068378 · as of October 18, 2026
   Active · clear
5. Simerson Construction LLC

   Carson City, CA · CSLB #1064266 · as of October 18, 2026
   Active · clear
6. Simgel CO INC

   Los Angeles, CA · CSLB #638371 · as of October 18, 2026
   Active · clear
7. John Simich Construction INC

   San Pedro, CA · CSLB #410855 · as of October 18, 2026
   Active · clear
8. Simile Construction Service INC

   Modesto, CA · CSLB #794642 · as of October 18, 2026
   Active · clear
9. Simi Valley Plumbing INC

   Simi Valley, CA · CSLB #304424 · as of October 18, 2026
   Active · clear
10. Simmons Company

    Scotts Valley, CA · CSLB #439083 · as of October 18, 2026
    Active · clear
11. Simmons Construction INC

    Bakersfield, CA · CSLB #718108 · as of October 18, 2026
    Active · clear
12. Travis J Simmons

    Hayward, CA · CSLB #950233 · as of October 18, 2026
    Active · clear
13. Simmons-tressler Civil Construction INC

    San Andreas, CA · CSLB #1123482 · as of October 18, 2026
    Active · clear
14. John Simoes

    Carmichael, CA · CSLB #913428 · as of October 18, 2026
    Active · clear
15. Simon And Son Earthworks General Engineering

    Sanger, CA · CSLB #1104299 · as of October 18, 2026
    Active · clear
16. Richard Simonian

    Santa Ana, CA · CSLB #240249 · as of October 18, 2026
    Active · clear
17. Simons Construction INC

    Templeton, CA · CSLB #783970 · as of October 18, 2026
    Active · clear
18. Clifton O Simonson

    Ventura, CA · CSLB #965312 · as of October 18, 2026
    Active · clear
19. Bobby Simpson & Sons Enterprises INC

    San Diego, CA · CSLB #1021946 · as of October 18, 2026
    Active · clear
20. Simpson & Simpson INC

    Auburn, CA · CSLB #184056 · as of October 18, 2026
    Active · clear
21. Sim Sanitation INC

    Tehachapi, CA · CSLB #939122 · as of October 18, 2026
    Active · clear
22. Sims Grading INC

    Vista, CA · CSLB #964316 · as of October 18, 2026
    Active · clear
23. Brenden Simunaci/simunaci Construction

    Columbia, CA · CSLB #619757 · as of October 18, 2026
    Active · clear
24. Sinanian

    Tarzana, CA · CSLB #455273 · as of October 18, 2026
    Active · clear
25. Sinanian Construction

    Tarzana, CA · CSLB #405139 · as of October 18, 2026
    Active · clear
26. Gerard Sinanian

    Tarzana, CA · CSLB #1046324 · as of October 18, 2026
    Active · clear
27. Sinclair General Engineering Construction INC

    Oakdale, CA · CSLB #818693 · as of October 18, 2026
    Active · clear
28. Sines Construction INC

    Lewiston, CA · CSLB #997194 · as of October 18, 2026
    Active · clear
29. Single Source Construction & Maintenance INC

    Mira Loma, CA · CSLB #972039 · as of October 18, 2026
    Active · clear
30. Sing & Son Concrete

    Thousand Palms, CA · CSLB #956753 · as of October 18, 2026
    Active · clear
31. Singular Builders

    San Francisco, CA · CSLB #1104356 · as of October 18, 2026
    Active · clear
32. Singular-decker

    San Francisco, CA · CSLB #1128515 · as of October 18, 2026
    Active · clear
33. Sinko Construction INC

    Atascadero, CA · CSLB #1100069 · as of October 18, 2026
    Active · clear
34. Pat Sinnott Construction

    Mill Valley, CA · CSLB #637437 · as of October 18, 2026
    Active · clear
35. Sioux Falls Tower Specialists INC

    Sioux Falls, CA · CSLB #986024 · as of October 18, 2026
    Active · clear
36. Sipand INC

    Long Beach, CA · CSLB #1082341 · as of October 18, 2026
    Active · clear
37. Matthew S Sipherd

    Auburn, CA · CSLB #900113 · as of October 18, 2026
    Active · clear
38. Sisley INC

    Stockton, CA · CSLB #944486 · as of October 18, 2026
    Active · clear
39. Site Constructors INC

    Chico, CA · CSLB #503297 · as of October 18, 2026
    Active · clear
40. Siteco Services INC

    San Francisco, CA · CSLB #821677 · as of October 18, 2026
    Active · clear
41. Site Development Company

    Santa Ana, CA · CSLB #557628 · as of October 18, 2026
    Active · open complaint
42. Sitelogiq INC

    Ontario, CA · CSLB #1054171 · as of October 18, 2026
    Active · clear
43. Site Logistics INC

    Escondido, CA · CSLB #562661 · as of October 18, 2026
    Active · clear
44. Site Master Construction

    Corona, CA · CSLB #886194 · as of October 18, 2026
    Active · clear
45. Siterep Construction Services INC DBA Siterep Concrete

    San Dimas, CA · CSLB #1094220 · as of October 18, 2026
    Active · clear
46. Sitewise Construction INC

    Roseville, CA · CSLB #1077360 · as of October 18, 2026
    Active · clear
47. Site Works

    Mesa, CA · CSLB #644886 · as of October 18, 2026
    Active · clear
48. Siteworks Concrete Systems INC

    Arcadia, CA · CSLB #958179 · as of October 18, 2026
    Active · clear
49. Siteworks Construction INC

    Lafayette, CA · CSLB #610597 · as of October 18, 2026
    Active · clear
50. Site Work Solutions

    Redding, CA · CSLB #874552 · as of October 18, 2026
    Active · clear
51. Siteworx Construction INC

    Atascadero, CA · CSLB #928842 · as of October 18, 2026
    Active · clear
52. Sitka Development

    Oceanside, CA · CSLB #1115381 · as of October 18, 2026
    Active · clear
53. Sittre Excavating INC

    Portola, CA · CSLB #1069696 · as of October 18, 2026
    Active · clear
54. Sivadge INC

    El Cajon, CA · CSLB #824665 · as of October 18, 2026
    Active · clear
55. Six Star Industries

    Flagstaff, CA · CSLB #1005313 · as of October 18, 2026
    Active · clear
56. Sizemore & Son

    Oakley, CA · CSLB #1010445 · as of October 18, 2026
    Active · clear
57. S Jade Corporation

    Laguna Beach, CA · CSLB #940647 · as of October 18, 2026
    Active · clear
58. SJ Construction Management

    Merced, CA · CSLB #1068483 · as of October 18, 2026
    Active · clear
59. S&J Contracting & Development LLC

    Simi Valley, CA · CSLB #940303 · as of October 18, 2026
    Active · clear
60. Sjcp

    Los Angeles, CA · CSLB #1114684 · 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.