Top NAICS Trades — DBE Contractors in Illinois
4,107 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.
Browse by Trade (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
728 companies
484220
Trucking, specialized freight (except used goods), local
521 companies
237310
Repair, highway, road, street, bridge or airport runway
439 companies
541512
Systems integration design consulting services, computer
396 companies
541330
Environmental engineering services
391 companies
236220
Project management (deactivated in 2007 codeset)
366 companies
541511
WEB (i.e., internet) page design services, custom
327 companies
541618
Utilities management consulting services
310 companies
541690
Security consulting services
305 companies
238990
Sign, building, erection
289 companies
238910
Site Preparation Contractors.
283 companies
238210
Telecommunications equipment and wiring (except transmission line) installation contractors
263 companies
541519
Software installation services, computer
254 companies
611430
Professional development training
252 companies
561730
Tree trimming services
249 companies
561720
Maid services (i.e., cleaning services)
232 companies
238110
Poured Concrete Foundation and Structure Contractors.
220 companies
541613
Sales management consulting services
217 companies
541990
Quantity surveyor services
206 companies
237990
Sports field construction
193 companies
236118
Residential Remodelers
191 companies
238320
Wall covering or removal contractors
186 companies
541614
Transportation management consulting services
186 companies
238220
Ventilating contractors
185 companies
484110
Trucking, general freight, local
173 companies
541513
Facilities (i.e., clients' facilities) support services, computer systems or data processing
162 companies
541612
Personnel management consulting services
150 companies
561990
Inventory computing services
149 companies
238350
Window installation
145 companies
541620
Site remediation consulting services
145 companies
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