Licensed General Engineering (A) contractors in California

The California Contractors State License Board (CSLB) lists 15,200 California contractors classified A (General Engineering (A)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of August 11, 2026.

Showing 61–120 of 15,200 contractors

1. 4 West Pipeline INC

   Canyon Lake, CA · CSLB #863590 · as of August 11, 2026
   Active · clear
2. 5 Star Builders INC

   West Hills, CA · CSLB #1012362 · as of August 11, 2026
   Active · clear
3. 5 Star Plumbing & Rooter

   San Francisco, CA · CSLB #996627 · as of August 11, 2026
   Active · clear
4. 6 Point Construction

   Yreka, CA · CSLB #1064608 · as of August 11, 2026
   Active · clear
5. 6 Rivers Construction INC

   Hoopa, CA · CSLB #970336 · as of August 11, 2026
   Active · clear
6. 6 Stars Engineering

   Lakeside, CA · CSLB #1049627 · as of August 11, 2026
   Active · clear
7. 707 Plumbers INC DBA 707 Electric

   Santa Rosa, CA · CSLB #1118695 · as of August 11, 2026
   Active · clear
8. 7/11 Materials INC

   Modesto, CA · CSLB #706724 · as of August 11, 2026
   Active · clear
9. 777 Engineering Contractors INC

   Northridge, CA · CSLB #1103386 · as of August 11, 2026
   Active · clear
10. 7 M General Engineering INC

    San Jose, CA · CSLB #1063168 · as of August 11, 2026
    Active · clear
11. 805 Paving

    Guadalupe, CA · CSLB #990683 · as of August 11, 2026
    Active · clear
12. 8TH ST Construction And Consulting

    San Diego, CA · CSLB #1144798 · as of August 11, 2026
    Active · clear
13. 911 Demo INC

    Bakersfield, CA · CSLB #1120713 · as of August 11, 2026
    Active · clear
14. 911 Drain Lines And Plumbing

    Orange, CA · CSLB #1138550 · as of August 11, 2026
    Active · clear
15. GNB Enterprises INC DBA 911 Restoration Of West La And Downtown

    Westlake Village, CA · CSLB #1075169 · as of August 11, 2026
    Active · clear
16. 9500 Engineering Construction

    Chino, CA · CSLB #1029894 · as of August 11, 2026
    Active · clear
17. 99 North General Engineering

    Concord, CA · CSLB #1112114 · as of August 11, 2026
    Active · clear
18. 99 Pipeline INC

    Porterville, CA · CSLB #891913 · as of August 11, 2026
    Active · clear
19. A-1 Advantage Asphalt

    Sacramento, CA · CSLB #762538 · as of August 11, 2026
    Active · clear
20. A-1 Advantage Concrete

    Sacramento, CA · CSLB #882596 · as of August 11, 2026
    Active · clear
21. A 1 A Engineering & Construction INC

    Garden Grove, CA · CSLB #775190 · as of August 11, 2026
    Active · clear
22. A-1 Backhoe Service

    Hollister, CA · CSLB #575760 · as of August 11, 2026
    Active · clear
23. A - 1 Concrete Cutting

    Las Vegas, CA · CSLB #963609 · as of August 11, 2026
    Active · clear
24. A - 1 Construction

    San Francisco, CA · CSLB #690238 · as of August 11, 2026
    Active · clear
25. The Tirosh Corporation DBA A-1 Construction

    Los Angeles, CA · CSLB #654243 · as of August 11, 2026
    Active · clear
26. A-1 Construction

    Santa Paula, CA · CSLB #716695 · as of August 11, 2026
    Active · clear
27. A-1 Construction General Engineering INC

    Castro Valley, CA · CSLB #944217 · as of August 11, 2026
    Active · clear
28. A-1 Contracting LLC

    Castro Valley, CA · CSLB #1154993 · as of August 11, 2026
    Active · clear
29. A-1 Drilling & Pump Service INC

    Yuba City, CA · CSLB #972935 · as of August 11, 2026
    Active · clear
30. A1-perez Plumbing, Electric & Pipelines

    Los Angeles, CA · CSLB #910949 · as of August 11, 2026
    Active · clear
31. A1 Sewer Solutions

    Los Angeles, CA · CSLB #1074336 · as of August 11, 2026
    Active · clear
32. A - 1 Testing / Site Services

    Truckee, CA · CSLB #1120403 · as of August 11, 2026
    Active · clear
33. A-1 Total Service Plumbing

    Burbank, CA · CSLB #1135475 · as of August 11, 2026
    Active · clear
34. A 2 Z Construct INC

    Rancho Santa Margarita, CA · CSLB #739539 · as of August 11, 2026
    Active · clear
35. A3 Construction

    Chula Vista, CA · CSLB #857785 · as of August 11, 2026
    Active · clear
36. A3 Pipeline

    San Francisco, CA · CSLB #1091794 · as of August 11, 2026
    Active · clear
37. A5 Builders

    San Francisco, CA · CSLB #1086312 · as of August 11, 2026
    Active · clear
38. A A A - 1 Construction

    Nine Mile Falls, CA · CSLB #586126 · as of August 11, 2026
    Active · clear
39. Aaaa Engineering Contracting INC

    Templeton, CA · CSLB #913871 · as of August 11, 2026
    Active · clear
40. Aaaa General Engineering INC

    Atascadero, CA · CSLB #1124593 · as of August 11, 2026
    Active · clear
41. Aaaa Generator Services INC

    Hayward, CA · CSLB #914864 · as of August 11, 2026
    Active · clear
42. A A A All Star Construction INC

    Valley Village, CA · CSLB #1018926 · as of August 11, 2026
    Active · clear
43. Aaa Construction

    Suisun City, CA · CSLB #1091276 · as of August 11, 2026
    Active · clear
44. Aaa Demolition INC

    Anaheim, CA · CSLB #763614 · as of August 11, 2026
    Active · clear
45. A A A Engineering

    Marysville, CA · CSLB #887687 · as of August 11, 2026
    Active · clear
46. Aaa Environmental

    Huntington Beach, CA · CSLB #462824 · as of August 11, 2026
    Active · clear
47. Aaa Paving CO

    Rialto, CA · CSLB #314624 · as of August 11, 2026
    Active · clear
48. Aaa Plumbing & Remodeling INC

    Castro Valley, CA · CSLB #1052769 · as of August 11, 2026
    Active · clear
49. Richard R Sandau Ii DBA Aaa Quick

    Fair Oaks, CA · CSLB #332841 · as of August 11, 2026
    Active · clear
50. Aaa Underground INC

    North Highlands, CA · CSLB #899085 · as of August 11, 2026
    Active · clear
51. A & A Concrete INC

    Ventura, CA · CSLB #874119 · as of August 11, 2026
    Active · clear
52. A & A Construction

    Penn Valley, CA · CSLB #806130 · as of August 11, 2026
    Active · clear
53. A A Construction

    Rialto, CA · CSLB #863686 · as of August 11, 2026
    Active · clear
54. A & A Consulting Engineers

    Antioch, CA · CSLB #864170 · as of August 11, 2026
    Active · clear
55. A A Custom Construction Services A California Joint Venture

    Walnut Creek, CA · CSLB #1029053 · as of August 11, 2026
    Active · clear
56. Aa General Engineering

    Brentwood, CA · CSLB #1054026 · as of August 11, 2026
    Active · clear
57. A & A Group Services INC

    Lincoln, CA · CSLB #658282 · as of August 11, 2026
    Active · clear
58. A A J INC

    Azusa, CA · CSLB #329199 · as of August 11, 2026
    Active · clear
59. Aap Engineering

    Downey, CA · CSLB #1025756 · as of August 11, 2026
    Active · clear
60. Aarav Construction

    San Clemente, CA · CSLB #968986 · as of August 11, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of August 11, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.