Certifications

MBE Certifications

Illinois

  • Capital Development Board (CDB)
  • Cook County
  • Department of Central Management Services (CMS), Business Enterprise Program (BEP)
  • City of Chicago, Office of Compliance
  • Metropolitan Water Reclamation District of Greater Chicago (MWRDGC)
  • Chicago Minority Supplier Development Council, Inc. (CMSDC)

Indiana

  • State of Indiana, Minority and Women’s Business Enterprises Division

Wisconsin

  • State of Wisconsin, Department of Administration

 

DBE Certifications

Illinois

  • Metra – Illinois Unified Certification Program

Indiana

  • Indiana Department of Transportation, Economic Opportunity Division

Wisconsin

  • State of Wisconsin, Unified Certification Program

 

Small Business Certifications

GSG is recognized by the Small Business Administration (SBA) as a Small Disadvantaged Business (SDB).

NAICS Codes

  • 236220        Construction Management – Commercial & Institutional Buildings
  • 237110        Construction Management – Water & Sewer Line and Related structures
  • 237310        Construction Management – Highway, Street, and Bridge Construction
  • 237990        Construction Management – Other Heavy & Civil Engineering
  • 541330        Engineering Services
  • 541350        Building Inspection Services
  • 541620        Environmental Consulting Services
  • 541380        Testing Laboratories
  • 541690        Safety Consulting

 

 State of Illinois     Cook County    State of Indiana   600px-Seal_of_Wisconsin.svg

 General Services Administration

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  • 855 West Adams St. #200 Chicago, IL. 60607
  • (312) 733.6262
  • (312) 733.5612

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