Licensed General Engineering (A) contractors in California

The California Contractors State License Board (CSLB) lists 15,127 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 14, 2026.

Showing 10,621–10,680 of 15,127 contractors

1. Q General Engineering INC

   Clovis, CA · CSLB #913791 · as of October 14, 2026
   Active · clear
2. Q L M - INC

   San Jose, CA · CSLB #560651 · as of October 14, 2026
   Active · clear
3. Q S E Construction

   San Francisco, CA · CSLB #552073 · as of October 14, 2026
   Active · clear
4. Quality Telecom Consultants INC DBA QTC INC

   Rocklin, CA · CSLB #814859 · as of October 14, 2026
   Active · clear
5. Qtek 1 INC

   San Jose, CA · CSLB #1112208 · as of October 14, 2026
   Active · clear
6. Quade INC

   Brea, CA · CSLB #1077173 · as of October 14, 2026
   Active · clear
7. Quadrant Concrete INC

   Atwater, CA · CSLB #1100542 · as of October 14, 2026
   Active · clear
8. Qualcon Contractors INC

   Minden, CA · CSLB #684075 · as of October 14, 2026
   Active · clear
9. Thomas F Bazer DBA Qualified Equipment Service

   Mira Loma, CA · CSLB #658047 · as of October 14, 2026
   Active · clear
10. Quality Ag INC

    Fillmore, CA · CSLB #870552 · as of October 14, 2026
    Active · clear
11. Quality Build Construction Solutions INC

    Laguna Niguel, CA · CSLB #1109015 · as of October 14, 2026
    Active · clear
12. Quality Concrete

    Chester, CA · CSLB #748526 · as of October 14, 2026
    Active · clear
13. Quality Construction & Engineering INC

    San Diego, CA · CSLB #1005282 · as of October 14, 2026
    Active · clear
14. Quality General Engineering INC

    Spring Valley, CA · CSLB #838699 · as of October 14, 2026
    Active · clear
15. Quality Incorporated Site Work & Underground

    Napa, CA · CSLB #622688 · as of October 14, 2026
    Active · clear
16. Quality Jet Rooter INC

    Whittier, CA · CSLB #888893 · as of October 14, 2026
    Active · clear
17. Quality Petroleum Services INC

    Northridge, CA · CSLB #966759 · as of October 14, 2026
    Active · clear
18. Quality Plumbing

    Apple Valley, CA · CSLB #508834 · as of October 14, 2026
    Active · clear
19. Quality Service

    Escalon, CA · CSLB #834488 · as of October 14, 2026
    Active · clear
20. Qualitystruct Construction INC

    Sylmar, CA · CSLB #1013844 · as of October 14, 2026
    Active · clear
21. Quality Surfacing INC

    Red Bluff, CA · CSLB #651507 · as of October 14, 2026
    Active · clear
22. Quality Tank And Construction CO

    Sandy, CA · CSLB #696313 · as of October 14, 2026
    Active · clear
23. Qualus LLC

    Lake Mary, CA · CSLB #1092252 · as of October 14, 2026
    Active · clear
24. Quam Construction CO INC DBA Quam

    Edina, CA · CSLB #1035525 · as of October 14, 2026
    Active · clear
25. Quam General Engineering INC

    Woodland, CA · CSLB #988662 · as of October 14, 2026
    Active · clear
26. Quanta Energy Services LLC

    Benicia, CA · CSLB #1007213 · as of October 14, 2026
    Active · clear
27. Quanta Infrastructure Solutions Group LLC

    Overland Park, CA · CSLB #1079968 · as of October 14, 2026
    Active · clear
28. Quanta Telecommunication Solutions LLC

    Spring, CA · CSLB #1020653 · as of October 14, 2026
    Active · clear
29. LCS Electrical And Industrial Services INC DBA Quantum Industries

    Bakersfield, CA · CSLB #1021958 · as of October 14, 2026
    Active · clear
30. Quartz Engineering And Development

    Penn Valley, CA · CSLB #1102083 · as of October 14, 2026
    Active · clear
31. Patrick Queen Construction

    Petrolia, CA · CSLB #897212 · as of October 14, 2026
    Active · clear
32. Questa Engineering Corporation

    Point Richmond, CA · CSLB #948253 · as of October 14, 2026
    Active · clear
33. Quimu Contracting INC

    Dixon, CA · CSLB #809085 · as of October 14, 2026
    Active · clear
34. Quincon INC

    Grover Beach, CA · CSLB #888545 · as of October 14, 2026
    Active · clear
35. R2B Engineering

    Laguna Hills, CA · CSLB #1031564 · as of October 14, 2026
    Active · clear
36. R-2 Utility Contractors

    Prineville, CA · CSLB #1055485 · as of October 14, 2026
    Active · clear
37. R-3 Contractors INC

    Anaheim, CA · CSLB #630433 · as of October 14, 2026
    Active · clear
38. R4 Electrical Construction INC

    Menifee, CA · CSLB #782019 · as of October 14, 2026
    Active · clear
39. R5 Group INC

    Modesto, CA · CSLB #1028515 · as of October 14, 2026
    Active · clear
40. Ra3 Engineering

    El Centro, CA · CSLB #1069287 · as of October 14, 2026
    Active · clear
41. R & A Associates Newport Beach INC

    Newport Beach, CA · CSLB #641444 · as of October 14, 2026
    Active · clear
42. Rabc - Ecc A Joint Venture

    Lakeside, CA · CSLB #986034 · as of October 14, 2026
    Active · clear
43. Rab Construction & Landscape INC

    San Marcos, CA · CSLB #939289 · as of October 14, 2026
    Active · clear
44. Rabello Electric INC

    Glendale, CA · CSLB #763861 · as of October 14, 2026
    Active · clear
45. Rac Construction & Engineering INC

    San Diego, CA · CSLB #1073141 · as of October 14, 2026
    Active · clear
46. S Rackham Construction

    Auburn, CA · CSLB #596192 · as of October 14, 2026
    Active · clear
47. S Rackham Construction INC

    Auburn, CA · CSLB #998900 · as of October 14, 2026
    Active · clear
48. Radco & Associates INC

    San Rafael, CA · CSLB #410936 · as of October 14, 2026
    Active · clear
49. Radco Construction

    Carson City, CA · CSLB #820978 · as of October 14, 2026
    Active · clear
50. Radco Construction

    Soquel, CA · CSLB #789918 · as of October 14, 2026
    Active · clear
51. Radco INC

    Brawley, CA · CSLB #859138 · as of October 14, 2026
    Active · clear
52. Radcon INC

    Lakeport, CA · CSLB #997005 · as of October 14, 2026
    Active · clear
53. Rad Construction Management INC

    Fresno, CA · CSLB #1143909 · as of October 14, 2026
    Active · clear
54. Rader Excavating INC

    Palo Cedro, CA · CSLB #891588 · as of October 14, 2026
    Active · clear
55. Radiant Communications

    Simi Valley, CA · CSLB #1034277 · as of October 14, 2026
    Active · clear
56. Radius Construction

    San Lorenzo, CA · CSLB #1139428 · as of October 14, 2026
    Active · clear
57. Radius Earthwork INC

    Campbell, CA · CSLB #1059010 · as of October 14, 2026
    Active · clear
58. Radius Energy

    Pauma Valley, CA · CSLB #935382 · as of October 14, 2026
    Active · clear
59. Radman Electric

    Hayward, CA · CSLB #1021116 · as of October 14, 2026
    Active · clear
60. Steve P Rados INC

    Santa Ana, CA · CSLB #484452 · as of October 14, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 14, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.