Top NAICS Trades — DBE Contractors in Washington
1,368 DBE, WBE, MBE, and SBA companies in Washington with certifications recognized by Washington State Department of Transportation (WSDOT) 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 Washington. Sign up to see full contact details and export GFE forms.
541611
Strategic planning consulting services
316 companies
541330
Traffic engineering consulting services
176 companies
541690
Safety consulting services
175 companies
236220
Construction management, commercial and institutional building
153 companies
541618
Telecommunications management consulting services
150 companies
611430
Quality assurance training
142 companies
237310
Sign erection, highway, road, street, or bridge
141 companies
541512
Information management computer systems integration design services
129 companies
238910
Site Preparation Contractors
126 companies
237990
Retaining walls, anchored (e.g., with piles, soil nails, tieback anchors), construction
122 companies
541990
Pipeline inspection (i.e., visual) services
121 companies
541511
WEB (i.e., internet) page design services, custom
120 companies
238990
Shoring, construction
112 companies
541613
Marketing management consulting services
107 companies
541614
Transportation management consulting services
106 companies
541620
Site remediation consulting services
103 companies
541519
Software installation services, computer
101 companies
238210
Surveillance system, installation only
92 companies
561210
Facilities Support Services
87 companies
541612
Personnel management consulting services
86 companies
561990
Locating underground utility lines prior to digging
83 companies
236210
Waste disposal plant (except sewage treatment) construction
80 companies
561730
Landscaping services (except planning)
79 companies
237110
Water and Sewer Line and Related Structures Construction
79 companies
238220
Plumbing, Heating, and Air-Conditioning Contractors
74 companies
561720
Janitorial Services
71 companies
484220
Trucking, specialized freight (except used goods), local
69 companies
562910
Toxic material abatement services
61 companies
561320
Temporary staffing services
61 companies
238320
Painting and Wall Covering Contractors.
57 companies
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