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1,412 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.
Top trades represented by certified companies in Washington. Sign up to see full contact details and export GFE forms.
541611
Strategic planning consulting services
305 companies
541690
Safety consulting services
169 companies
541330
Traffic engineering consulting services
163 companies
236220
Construction management, commercial and institutional building
159 companies
237310
Sign erection, highway, road, street, or bridge
151 companies
541618
Telecommunications management consulting services
144 companies
611430
Quality assurance training
137 companies
238910
SITE PREPARATION CONTRACTORS
129 companies
541512
Information management computer systems integration design services
127 companies
237990
Retaining walls, anchored (e.g., with piles, soil nails, tieback anchors), construction
125 companies
541511
WEB (i.e., internet) page design services, custom
121 companies
541990
Pipeline inspection (i.e., visual) services
118 companies
238990
Shoring, construction
116 companies
541614
Transportation management consulting services
107 companies
541613
Marketing management consulting services
105 companies
541620
Site remediation consulting services
101 companies
541519
Software installation services, computer
98 companies
238210
Surveillance system, installation only
97 companies
236210
Waste disposal plant (except sewage treatment) construction
92 companies
561210
Facilities Support Services
85 companies
541612
Personnel management consulting services
84 companies
237110
Water and Sewer Line and Related Structures Construction
83 companies
561730
Landscaping services (except planning)
77 companies
561990
Locating underground utility lines prior to digging
75 companies
238220
Plumbing and heating contractors
75 companies
561720
Janitorial Services
70 companies
562910
Toxic material abatement services
67 companies
484220
Trucking, specialized freight (except used goods), local
66 companies
561320
Temporary staffing services
66 companies
238320
Painting and Wall Covering Contractors.
61 companies
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