Career Services

Testing Service Corp


We are a geotechnical, construction materials and environmental consulting firm in northern Illinois and northwest Indiana. We have been in business for over 60 years and work on a variety of commercial, residential and municipal projects. We have offices in Carol Stream, Shorewood, Dekalb, Rockford and Gurnee Illinois performing testing in Northern Illinois, NW Indiana, Southern Wisconsin and Eastern Iowa.

Our Three Main Divisions Are:

Geotechnical Engineering- We perform soil explorations for new sites to provide our clients with soil data and recommendations to guide them in the site development plans.

Environmental Engineering- Typically works concurrent with the geotechnical explorations to determine if environmental issues are present at a site. As perform additional testing during remedial environmental actions/removal of identified issues.

Construction Materials Testing- Follows the geotechnical and environmental testing and cover the construction activities performed during the actual development. They provide construction materials testing and recommendations on soils, concrete, asphalt and masonry.

We are an employee owned company. Employee benefits include: health insurance, 401K Retirement Plan, employee stock ownership plan, and continuing education reimbursement.
Industry: Engineering Consulting

Contact Information

John Massa
360 South Main Place
Carol Stream, IL 60188
Phone: 6304622600