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4,230 DBE, WBE, MBE, and SBA companies in Illinois with certifications recognized by Illinois Department of Transportation (IDOT) and partner agencies. Browse by trade below to drill into contractors specializing in each NAICS code.
Top trades represented by certified companies in Illinois. Sign up to see full contact details and export GFE forms.
541611
Strategic planning consulting services
704 companies
484220
Trucking, specialized freight (except used goods), local
518 companies
237310
Repair, highway, road, street, bridge or airport runway
424 companies
541512
Systems integration design consulting services, computer
382 companies
541330
Environmental engineering services
351 companies
236220
Project management (deactivated in 2007 codeset)
340 companies
541511
WEB (i.e., internet) page design services, custom
306 companies
541690
Security consulting services
285 companies
541618
Utilities management consulting services
278 companies
238910
Site Preparation Contractors.
265 companies
238990
Sign, building, erection
264 companies
611430
Professional development training
236 companies
238210
Telecommunications equipment and wiring (except transmission line) installation contractors
234 companies
541519
Software installation services, computer
234 companies
561730
Tree trimming services
233 companies
561720
Maid services (i.e., cleaning services)
213 companies
238110
Poured Concrete Foundation and Structure Contractors.
210 companies
541613
Sales management consulting services
204 companies
541614
Transportation management consulting services
183 companies
236118
Residential Remodelers
183 companies
541990
Quantity surveyor services
182 companies
238320
Wall covering or removal contractors
175 companies
237990
Sports field construction
175 companies
238220
Ventilating contractors
169 companies
484110
Trucking, general freight, local
160 companies
541612
Personnel management consulting services
145 companies
541513
Facilities (i.e., clients' facilities) support services, computer systems or data processing
143 companies
561990
Inventory computing services
137 companies
541620
Site remediation consulting services
136 companies
561320
Temporary staffing services
133 companies
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