GSG Consultants, Inc. Employee Directory

Q: What is GSG Consultants, Inc. known for?

GSG Consultants, Inc. was founded in 1992. GSG Consultants, Inc. operates in the Civil Engineering industry.

Q: How many employees does GSG Consultants, Inc. have currently?

GSG Consultants, Inc. has approximately 157 employees.

Civil EngineeringIllinois, United States51-200 Employees

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.

Find GSG Consultants, Inc. employees' phone numbers or email addresses

GSG Consultants, Inc. Global Highlights

North America
158

United States Of America
158

Asia
1

India
1

Europe
1

Georgia
1

GSG Consultants, Inc.'s Leadership

J. G.
Chief Sales Guy
Mobile Phone
Email
L. O.
Environmental Manager, Illinois Tollway General Engineering Consultant
Mobile Phone
Email
W. C.
Manager, Civil Design
Mobile Phone
Email
S. M.
Accounting Assistant
Mobile Phone
Email
A. A.
Accounts Payable
Mobile Phone
Email
E. F.
Administrative Assistant
Mobile Phone
Email
I. E.
Construction Inspector
Mobile Phone
Email
J. T.
Truck Driver
Mobile Phone
Email

Contact profiles from GSG Consultants, Inc.

Name

Title

Contact Info

Location

Last Update

R. S.
Project Geologist
Mobile Phone
Email
UNITED STATES
Oct 22, 2024
S. S.
Environmental Scientist
Mobile Phone
Email
UNITED STATES
Oct 17, 2024
T. A.
Staff Engineer
Mobile Phone
Email
Oct 17, 2024
A. B.
Mobile Phone
Email
UNITED STATES
Jul 07, 2024
D. B.
Mobile Phone
Email
UNITED STATES
Mar 26, 2024
M. A.
Mobile Phone
Email
UNITED STATES
May 27, 2025

Frequently Asked Questions

What is GSG Consultants, Inc. known for?

GSG Consultants, Inc. was founded in 1992 operates in the Civil Engineering industry; you can contact the main corporate office by phone at

+1-312-733-****

. Explore GSG Consultants, Inc.'s company overview page for more information.

What is GSG Consultants, Inc.'s most common email format?

GSG Consultants, Inc. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more GSG Consultants, Inc. email formats with LeadIQ.

How many employees does GSG Consultants, Inc. have currently?

GSG Consultants, Inc. has approximately 157 employees as of December 2025. These team members are located across 3 continents, including North AmericaAsiaEurope.

Who are GSG Consultants, Inc.'s key employees and leadership?

As of December 2025, GSG Consultants, Inc.'s key employees include:

Chief Sales Guy: J. G.
Environmental Manager, Illinois Tollway General Engineering Consultant: L. O.
Manager, Civil Design: W. C.
Accounting Assistant: S. M.
Accounts Payable: A. A.

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