Top NAICS Trades — DBE Contractors in California
9,472 DBE, WBE, MBE, and SBA companies in California with certifications recognized by California Department of Transportation (Caltrans) and partner agencies. Browse by trade below to drill into contractors specializing in each NAICS code.
Browse by Trade (NAICS Code)
Top trades represented by certified companies in California. Sign up to see full contact details and export GFE forms.
541611
Strategic planning consulting services
1,944 companies
541330
Traffic engineering consulting services
1,107 companies
541618
Utilities management consulting services
1,101 companies
541690
Security consulting services
949 companies
236220
Garage and service station, commercial, construction
890 companies
541512
Systems integration design services, computer
868 companies
541511
WEB (i.e., internet) page design services, custom
792 companies
541990
Power line inspection (i.e., visual) services
752 companies
238990
Sign, building, erection
724 companies
541519
Software installation services, computer
718 companies
237310
Tarring roads
681 companies
238210
Telecommunications equipment and wiring (except transmission line) installation contractors
655 companies
238910
Trenching (except underwater)
649 companies
541620
Site remediation consulting services
647 companies
611430
Quality assurance training
644 companies
484220
Trucking, specialized freight (except used goods), local
631 companies
541613
New product development consulting services
593 companies
237990
Other Heavy and Civil Engineering Construction.
548 companies
237110
Water well drilling, digging, boring or sinking (except water intake wells in oil and gas fields)
505 companies
561720
Window cleaning services
500 companies
236210
Refuse disposal plant (except sewage treatment) construction
499 companies
561210
Government base facilities operation support services
476 companies
541614
Transportation management consulting services
461 companies
238110
Poured Concrete Foundation and Structure Contractors.
454 companies
238220
Waterless fire suppression system installation and repair
441 companies
561110
Office management services
414 companies
561730
Tree services (e.g., bracing, planting, pruning, removal, spraying, surgery, trimming)
407 companies
541612
Organization development consulting services
401 companies
561990
Printing brokers
399 companies
484110
General freight trucking, local (HAULING OF DIRT, SAND, GRAVEL, ASPHALT, ROLL-OFF TRUCK, DUMPSTERS, SWEEPER TRUCK)
398 companies
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