Experienced People Serving Our Clients

Demark takes great pride in the caliber of our people. A very high percentage of our personnel have served these industries for decades.

With this practical experience, we bring in-depth technical expertise, proven solutions and lessons learned to the wide range of issues found on the projects we serve today.

Today, much is required for major projects to be successful. All project elements must be well thought out and technically correct, meticulously coordinated with all entities involved, within budget, and on schedule. This requires project team members experienced in a wide range of disciplines. Demark has the expertise needed to achieve the highest level of project success.


1150 Essington Rd.
Joliet, IL 60435

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