Servicing a vast range of markets. GSG Consultants has played a key role in shaping the infrastructure of the Midwest. Since our founding in 1992, we have earned a reputation for providing outstanding and accurate services in the most time-sensitive environments.

GSG brings together over 100 professionals and technical staff in the following disciplines: Geotechnical Services, Environmental Engineering, Construction Management, Natural Resources, Design Services, and Program Management.

28

Years in Business

140

Full time Staff

40

Registered Professionals

12

IDOT Prequals

8000

Projects