Licensed General Engineering (A) contractors in California

The California Contractors State License Board (CSLB) lists 15,129 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 8, 2026.

Showing 6,661–6,720 of 15,129 contractors

1. Intermountain Slurry Seal INC

   Watsonville, CA · CSLB #462443 · as of October 8, 2026
   Active · clear
2. International Cadd Services INC

   Sacramento, CA · CSLB #806051 · as of October 8, 2026
   Active · clear
3. International Construction Builders LLC

   Alta Loma, CA · CSLB #1106960 · as of October 8, 2026
   Active · clear
4. International Cooling Tower USA INC

   Deer Park, CA · CSLB #590673 · as of October 8, 2026
   Active · clear
5. International Line Builders INC

   Portland, CA · CSLB #782515 · as of October 8, 2026
   Active · clear
6. International Paving Services LLC

   Mentone, CA · CSLB #770392 · as of October 8, 2026
   Active · clear
7. International Swim Center-2026 LLC

   Pleasanton, CA · CSLB #1146215 · as of October 8, 2026
   Active · clear
8. International Towers LLC

   Tallahassee, CA · CSLB #1058937 · as of October 8, 2026
   Active · clear
9. Interphase Environmental INC

   Pico Rivera, CA · CSLB #1148064 · as of October 8, 2026
   Active · clear
10. Interstate Civil Construction

    Wrightwood, CA · CSLB #1074144 · as of October 8, 2026
    Active · clear
11. Interstate Construction INC

    Roseville, CA · CSLB #341026 · as of October 8, 2026
    Active · clear
12. Interstate Decisive Contractor-i D C

    San Jose, CA · CSLB #427352 · as of October 8, 2026
    Active · clear
13. Interstate Grading And Paving INC

    South San Francisco, CA · CSLB #366020 · as of October 8, 2026
    Active · clear
14. Intertex General Contractors INC

    Valencia, CA · CSLB #482946 · as of October 8, 2026
    Active · clear
15. Intertie Incorporated

    Sausalito, CA · CSLB #1094392 · as of October 8, 2026
    Active · clear
16. Interwest Pacific LTD

    Encinitas, CA · CSLB #575110 · as of October 8, 2026
    Active · clear
17. In The Dirt Engineering

    Ramona, CA · CSLB #1087155 · as of October 8, 2026
    Active · clear
18. Intra Link Communications INC

    Bonita, CA · CSLB #847327 · as of October 8, 2026
    Active · clear
19. Intralox LLC

    Harahan, CA · CSLB #1128548 · as of October 8, 2026
    Active · clear
20. Intren West LLC

    Pomona, CA · CSLB #1103190 · as of October 8, 2026
    Active · clear
21. Intrepid Communications INC

    Costa Mesa, CA · CSLB #962790 · as of October 8, 2026
    Active · clear
22. Inventive Resources INC

    Salida, CA · CSLB #996682 · as of October 8, 2026
    Active · clear
23. Invert Construction Corp

    Rancho Cucamonga, CA · CSLB #1044261 · as of October 8, 2026
    Active · clear
24. Cesar R Aranda DBA Invision Engineering Construction

    Fresno, CA · CSLB #1088295 · as of October 8, 2026
    Active · clear
25. I O Environmental And Infrastructure Incorporated

    San Diego, CA · CSLB #957419 · as of October 8, 2026
    Active · clear
26. Ionian Construction INC

    Millbrae, CA · CSLB #572753 · as of October 8, 2026
    Active · clear
27. Buzz Ioppolo Excavating

    Lincoln, CA · CSLB #628909 · as of October 8, 2026
    Active · clear
28. Ipf Construction LLC

    Stockton, CA · CSLB #1157177 · as of October 8, 2026
    Active · clear
29. Ips Design Build

    Sacramento, CA · CSLB #1041861 · as of October 8, 2026
    Active · clear
30. I Q Building And Engineering INC

    Modesto, CA · CSLB #642985 · as of October 8, 2026
    Active · clear
31. I Ramirez Corporation

    San Fernando, CA · CSLB #741986 · as of October 8, 2026
    Active · clear
32. Irby Construction Company

    Richland, CA · CSLB #163338 · as of October 8, 2026
    Active · clear
33. Irish Construction

    Rosemead, CA · CSLB #97962 · as of October 8, 2026
    Active · clear
34. Irish Electric

    Tulare, CA · CSLB #560131 · as of October 8, 2026
    Active · clear
35. Irish Excavation

    Morgan Hill, CA · CSLB #1084826 · as of October 8, 2026
    Active · clear
36. Iron Alliance Engineering INC

    Alpine, CA · CSLB #1024028 · as of October 8, 2026
    Active · clear
37. Ironcladce

    San Diego, CA · CSLB #885679 · as of October 8, 2026
    Active · clear
38. Ironclad General Engineering INC

    Riverside, CA · CSLB #954859 · as of October 8, 2026
    Active · clear
39. Iron Construction & Engineering Corp

    North Hills, CA · CSLB #940834 · as of October 8, 2026
    Active · clear
40. Iron Crop Engineering INC

    Vista, CA · CSLB #907355 · as of October 8, 2026
    Active · clear
41. Irondale Industrial Contractors INC

    Birmingham, CA · CSLB #922891 · as of October 8, 2026
    Active · clear
42. Iron Horse Builders

    Lakeport, CA · CSLB #365170 · as of October 8, 2026
    Active · clear
43. Iron Horse Construction

    Palo Cedro, CA · CSLB #598901 · as of October 8, 2026
    Active · clear
44. Dennis Ironi

    Los Angeles, CA · CSLB #1009537 · as of October 8, 2026
    Active · clear
45. Ironman Enterprises INC

    El Cajon, CA · CSLB #978371 · as of October 8, 2026
    Active · clear
46. Ironmark Earthworks INC

    Moorpark, CA · CSLB #1068672 · as of October 8, 2026
    Active · clear
47. Iron Mountain Concrete Corp

    Las Vegas, CA · CSLB #1157463 · as of October 8, 2026
    Active · clear
48. Iron Mountain Excavation Corp

    Las Vegas, CA · CSLB #1157832 · as of October 8, 2026
    Active · clear
49. Iron Mountain General Engineering INC

    Redding, CA · CSLB #705922 · as of October 8, 2026
    Active · clear
50. Iron Path Corp

    Corona, CA · CSLB #1149144 · as of October 8, 2026
    Active · clear
51. Iron Poppy INC

    Sacramento, CA · CSLB #869567 · as of October 8, 2026
    Active · clear
52. Ironrock Builders

    Martinez, CA · CSLB #1094279 · as of October 8, 2026
    Active · clear
53. Ironstep Engineering INC

    Carson, CA · CSLB #1137573 · as of October 8, 2026
    Active · clear
54. Ironstone Construction

    Davis, CA · CSLB #588588 · as of October 8, 2026
    Active · clear
55. Ironwave Builders

    Buena Park, CA · CSLB #1147831 · as of October 8, 2026
    Active · clear
56. Ironwood Alliance INC

    Santa Rosa, CA · CSLB #402286 · as of October 8, 2026
    Active · clear
57. Irrigation Concepts Engineering

    Mc Farland, CA · CSLB #997675 · as of October 8, 2026
    Active · clear
58. Irrigation Resources INC

    Stockton, CA · CSLB #520858 · as of October 8, 2026
    Active · clear
59. Irvine Community Development Company LLC

    Newport Beach, CA · CSLB #976420 · as of October 8, 2026
    Active · clear
60. Irvine Pipeline Company INC

    Riverside, CA · CSLB #323951 · as of October 8, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.