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 8,341–8,400 of 15,129 contractors

1. Martyn Field Services Incorporated

   Santa Barbara, CA · CSLB #850796 · as of October 8, 2026
   Active · clear
2. Marubeni Plant Contractor INC

   Charlotte, CA · CSLB #786827 · as of October 8, 2026
   Active · clear
3. Marv Engineering

   Moreno Valley, CA · CSLB #710721 · as of October 8, 2026
   Active · clear
4. Marx Construction

   Redding, CA · CSLB #276810 · as of October 8, 2026
   Active · clear
5. Mary A Larsen

   Elk Grove, CA · CSLB #472571 · as of October 8, 2026
   Active · clear
6. Marzano & Sons General Engineering Contractors INC

   June Lake, CA · CSLB #712421 · as of October 8, 2026
   Active · clear
7. Marz Engineering

   Redwood Valley, CA · CSLB #1084927 · as of October 8, 2026
   Active · clear
8. Mascheroni Construction INC

   Berkeley, CA · CSLB #754674 · as of October 8, 2026
   Active · clear
9. Mashburn Waste & Environmental Services

   Bakersfield, CA · CSLB #1112506 · as of October 8, 2026
   Active · clear
10. Mason

    Lake Isabella, CA · CSLB #1031672 · as of October 8, 2026
    Active · clear
11. Mason Construction Group LLC

    Chatsworth, CA · CSLB #1140194 · as of October 8, 2026
    Active · clear
12. Mason T Construction / Engineering

    Long Beach, CA · CSLB #778560 · as of October 8, 2026
    Active · clear
13. Mason Tractor

    Los Gatos, CA · CSLB #870450 · as of October 8, 2026
    Active · clear
14. Mas Real Construction INC

    Los Angeles, CA · CSLB #1019179 · as of October 8, 2026
    Active · clear
15. Mass Electric Construction CO

    Waltham, CA · CSLB #819912 · as of October 8, 2026
    Active · clear
16. Massella Electric INC

    San Diego, CA · CSLB #1006970 · as of October 8, 2026
    Active · clear
17. Massey Construction

    Lawndale, CA · CSLB #949259 · as of October 8, 2026
    Active · clear
18. Mass X INC

    Fresno, CA · CSLB #902334 · as of October 8, 2026
    Active · clear
19. Mastec Network Solutions INC

    Coral Gables, CA · CSLB #984138 · as of October 8, 2026
    Active · clear
20. Mastec North America INC

    Coral Gables, CA · CSLB #760562 · as of October 8, 2026
    Active · clear
21. M A Steiner Construction INC

    Orangevale, CA · CSLB #556838 · as of October 8, 2026
    Active · clear
22. Master Builders

    San Francisco, CA · CSLB #850407 · as of October 8, 2026
    Active · clear
23. Master Contractor

    Ventura, CA · CSLB #977725 · as of October 8, 2026
    Active · clear
24. Mastercraft Custom Engineering

    San Ramon, CA · CSLB #728286 · as of October 8, 2026
    Active · clear
25. Masterlyne Corporation

    San Diego, CA · CSLB #935106 · as of October 8, 2026
    Active · clear
26. Master Rooter & Plumbing INC

    Paramount, CA · CSLB #1044408 · as of October 8, 2026
    Active · clear
27. Masters Construction A Division Of Farmers Land Leveling INC

    Brawley, CA · CSLB #447247 · as of October 8, 2026
    Active · clear
28. Masters Contracting Corporation

    Glendale, CA · CSLB #466409 · as of October 8, 2026
    Active · clear
29. Bryan Masterson Enterprises

    Petaluma, CA · CSLB #271933 · as of October 8, 2026
    Active · clear
30. Mastertech Services INC

    Golden, CA · CSLB #958749 · as of October 8, 2026
    Active · clear
31. Match Point Tennis Courts INC

    San Diego, CA · CSLB #775871 · as of October 8, 2026
    Active · clear
32. Matcon General Engineering INC

    Corona, CA · CSLB #1033931 · as of October 8, 2026
    Active · clear
33. Materials Transport Services INC

    Orange, CA · CSLB #963487 · as of October 8, 2026
    Active · clear
34. Mathews General Engineering And Construction

    Manteca, CA · CSLB #1098276 · as of October 8, 2026
    Active · clear
35. Joseph R Mathewson

    Newport Beach, CA · CSLB #1026714 · as of October 8, 2026
    Active · clear
36. Robert Mathison Iii

    Murrieta, CA · CSLB #1023623 · as of October 8, 2026
    Active · clear
37. Matich Corporation

    Highland, CA · CSLB #149783 · as of October 8, 2026
    Active · clear
38. Robert M Matich

    Highland, CA · CSLB #657678 · as of October 8, 2026
    Active · clear
39. Matinal Engineering

    Whittier, CA · CSLB #1148547 · as of October 8, 2026
    Active · clear
40. Matlick Excavation

    Fort Bragg, CA · CSLB #535010 · as of October 8, 2026
    Active · clear
41. Matrix General Engineering Contractor

    Templeton, CA · CSLB #1135180 · as of October 8, 2026
    Active · clear
42. Matrix North American Construction INC

    Tulsa, CA · CSLB #790060 · as of October 8, 2026
    Active · clear
43. Joe Matta Construction

    Martinez, CA · CSLB #889681 · as of October 8, 2026
    Active · clear
44. Matter Construction Engineering And Development

    San Diego, CA · CSLB #1069184 · as of October 8, 2026
    Active · clear
45. Rodney Matteri

    Healdsburg, CA · CSLB #1100868 · as of October 8, 2026
    Active · clear
46. Matthew Jeffrey Syrett Electric

    Banning, CA · CSLB #1133262 · as of October 8, 2026
    Active · clear
47. Matthews Construction

    Middleton, CA · CSLB #141026 · as of October 8, 2026
    Active · clear
48. H D Matthews Demolition & Excavation

    Fresno, CA · CSLB #843549 · as of October 8, 2026
    Active · clear
49. Mattingly Construction

    Red Bluff, CA · CSLB #1147187 · as of October 8, 2026
    Active · clear
50. Mattingly's Concrete

    Red Bluff, CA · CSLB #1056028 · as of October 8, 2026
    Active · clear
51. Matt Kaempf

    Santa Cruz, CA · CSLB #855790 · as of October 8, 2026
    Active · clear
52. Mattole Valley Construction INC

    Petrolia, CA · CSLB #951867 · as of October 8, 2026
    Active · clear
53. Mattos Underground Construction INC

    Laton, CA · CSLB #607408 · as of October 8, 2026
    Active · clear
54. W F Mattos Construction CO

    West Sacramento, CA · CSLB #544528 · as of October 8, 2026
    Active · clear
55. Mattucci Plumbing Incorporated

    Gardena, CA · CSLB #770059 · as of October 8, 2026
    Active · clear
56. Maturo Engineering

    Orange, CA · CSLB #731993 · as of October 8, 2026
    Active · clear
57. Michael W Mauldin

    Selma, CA · CSLB #808043 · as of October 8, 2026
    Active · clear
58. Mauri Concrete Construction Company INC

    El Sobrante, CA · CSLB #890324 · as of October 8, 2026
    Active · clear
59. T Maus Grading & Paving INC

    San Jacinto, CA · CSLB #992056 · as of October 8, 2026
    Active · clear
60. Mavens INC

    Chula Vista, CA · CSLB #976099 · 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.