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 11,941–12,000 of 15,133 contractors

1. Sierra Construction & Excavation INC

   Bakersfield, CA · CSLB #770738 · as of October 18, 2026
   Active · clear
2. Sierra Contractors INC

   Pomona, CA · CSLB #1015602 · as of October 18, 2026
   Active · clear
3. Sierra Earthworks INC

   Blairsden, CA · CSLB #811008 · as of October 18, 2026
   Active · clear
4. Sierra Engineering INC

   Newcastle, CA · CSLB #1162432 · as of October 18, 2026
   Active · clear
5. Sierra Excavating And Grading

   Chico, CA · CSLB #957488 · as of October 18, 2026
   Active · clear
6. Sierra Excavating LLC

   Yuba City, CA · CSLB #931046 · as of October 18, 2026
   Active · clear
7. Sierra General Engineering & Hardscape

   Three Rivers, CA · CSLB #1024046 · as of October 18, 2026
   Active · clear
8. Sierra Home Site Development INC

   North Fork, CA · CSLB #1040808 · as of October 18, 2026
   Active · clear
9. Sierra Mare Paving

   El Centro, CA · CSLB #1045357 · as of October 18, 2026
   Active · clear
10. Sierra Mills Company

    Sacramento, CA · CSLB #770004 · as of October 18, 2026
    Active · clear
11. Sierra National Asphalt

    Carmichael, CA · CSLB #855769 · as of October 18, 2026
    Active · clear
12. Sierra National Construction INC

    Carmichael, CA · CSLB #464549 · as of October 18, 2026
    Active · clear
13. Sierra Nevada Construction INC

    Sparks, CA · CSLB #593393 · as of October 18, 2026
    Active · clear
14. Sierra Nevada General Engineering

    Mariposa, CA · CSLB #1082392 · as of October 18, 2026
    Active · clear
15. Sierra Pacific Electrical Contracting

    Jurupa Valley, CA · CSLB #264048 · as of October 18, 2026
    Active · clear
16. Sierra Pacific Sports

    Verdi, CA · CSLB #1067002 · as of October 18, 2026
    Active · clear
17. Sierra Pacific West INC

    Encinitas, CA · CSLB #597852 · as of October 18, 2026
    Active · clear
18. Sierra Pipeline INC

    Santa Rosa, CA · CSLB #812228 · as of October 18, 2026
    Active · clear
19. Sierra Property Management

    Camarillo, CA · CSLB #667156 · as of October 18, 2026
    Active · clear
20. Sierra Range Construction

    Visalia, CA · CSLB #822783 · as of October 18, 2026
    Active · clear
21. Sierra Recycling & Demolition INC

    Bakersfield, CA · CSLB #874716 · as of October 18, 2026
    Active · clear
22. Sierra Septic Service & Supply CO

    Newcastle, CA · CSLB #417533 · as of October 18, 2026
    Active · clear
23. Sierra Striping INC

    Sacramento, CA · CSLB #651790 · as of October 18, 2026
    Active · clear
24. Sierra View Equipment INC

    Minden, CA · CSLB #987268 · as of October 18, 2026
    Active · clear
25. Sierra West Consultants INC

    Fair Oaks, CA · CSLB #863096 · as of October 18, 2026
    Active · clear
26. Sigma One Construction INC

    Riverside, CA · CSLB #1123441 · as of October 18, 2026
    Active · clear
27. Sigmax Enterprises Corporation

    Beverly Hills, CA · CSLB #1010998 · as of October 18, 2026
    Active · clear
28. Signal Energy LLC

    Chattanooga, CA · CSLB #1092560 · as of October 18, 2026
    Active · clear
29. Signal Hill Construction

    Long Beach, CA · CSLB #289892 · as of October 18, 2026
    Active · clear
30. S I International INC

    Torrance, CA · CSLB #956680 · as of October 18, 2026
    Active · clear
31. Sikes Asphalt Group INC

    Santa Rosa, CA · CSLB #827774 · as of October 18, 2026
    Active · clear
32. Silcon Constructors INC

    Marina, CA · CSLB #972926 · as of October 18, 2026
    Active · clear
33. Silicon Valley Dirt Works INC

    San Jose, CA · CSLB #1079000 · as of October 18, 2026
    Active · clear
34. Silicon Valley Paving INC

    San Jose, CA · CSLB #732923 · as of October 18, 2026
    Active · clear
35. Silke Communications Solutions INC

    Sacramento, CA · CSLB #1057507 · as of October 18, 2026
    Active · clear
36. Siller Construction CO

    Lincoln, CA · CSLB #1008603 · as of October 18, 2026
    Active · clear
37. Daryl M Siller

    Lincoln, CA · CSLB #1080596 · as of October 18, 2026
    Active · clear
38. Siller & Siller Construction INC

    Penn Valley, CA · CSLB #1139072 · as of October 18, 2026
    Active · clear
39. William Silletti & Associates

    Granada Hills, CA · CSLB #518820 · as of October 18, 2026
    Active · clear
40. Silman Industries

    San Leandro, CA · CSLB #906985 · as of October 18, 2026
    Active · clear
41. Silva Backhoe Services INC

    Glendora, CA · CSLB #929272 · as of October 18, 2026
    Active · clear
42. Silva Contractors INC

    Pinole, CA · CSLB #995639 · as of October 18, 2026
    Active · clear
43. Ernie Jason Silva

    Ventura, CA · CSLB #982507 · as of October 18, 2026
    Active · clear
44. Silva-management And Construction Services LLC

    San Francisco, CA · CSLB #1099609 · as of October 18, 2026
    Active · clear
45. Silva's Pipeline INC

    Hayward, CA · CSLB #229986 · as of October 18, 2026
    Active · clear
46. Stacy L Silva Construction

    Byron, CA · CSLB #525155 · as of October 18, 2026
    Active · clear
47. Silveira Construction LLC

    Hollister, CA · CSLB #1074022 · as of October 18, 2026
    Active · clear
48. S E Silveira

    San Rafael, CA · CSLB #694120 · as of October 18, 2026
    Active · clear
49. Silveira's Engineering

    Torrance, CA · CSLB #1092952 · as of October 18, 2026
    Active · clear
50. Silverado Contractors INC

    Emeryville, CA · CSLB #782547 · as of October 18, 2026
    Active · clear
51. Silverado Estate Enterprises INC

    Sonora, CA · CSLB #526414 · as of October 18, 2026
    Active · clear
52. Silverado-pankow JV

    Pasadena, CA · CSLB #1091482 · as of October 18, 2026
    Active · clear
53. Silverback Construction INC

    Fresno, CA · CSLB #1141397 · as of October 18, 2026
    Active · clear
54. Silver Development & Associates INC

    Ojai, CA · CSLB #793821 · as of October 18, 2026
    Active · clear
55. Silverlake Constructors

    Los Angeles, CA · CSLB #1130957 · as of October 18, 2026
    Active · clear
56. Silver Services

    Fairfax, CA · CSLB #831388 · as of October 18, 2026
    Active · clear
57. Silver Star Construction Engineering INC

    Glendale, CA · CSLB #971938 · as of October 18, 2026
    Active · clear
58. Silver Star Plumbing INC

    Redondo Beach, CA · CSLB #523782 · as of October 18, 2026
    Active · clear
59. Silverstate Development Corp

    San Jose, CA · CSLB #793982 · as of October 18, 2026
    Active · clear
60. R A L Investment Corporation DBA Silverstrand Construction

    San Diego, CA · CSLB #927409 · 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.