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If you have a question regarding any of our experts, projects or services, please don’t hesitate to contact us. You can submit your question via the form below. Once received, our team will respond to your inquiry in an accurate and timely manner. In addition, if you are interested in submitting a sample for analysis, please download our Sample Submission Form for guidance. Thank you for your interest in CTLGroup.

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Corporate Office / Laboratories

5400 Old Orchard Road

Skokie, IL 60077

Phone: 847-965-7500

Fax: 847-965-6541

CONTACT US

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OUR LOCATIONS

We serve clients around the globe

CTLGroup engineering services in Michigan, New York, and North Carolina are provided through. CTL Engineers & Construction Technology Consultants, P.C.

Map SKOKIE, ILLINOIS
SKOKIE, ILLINOIS

5400 Old Orchard Road

Skokie, IL 60077

Phone: 847-965-7500

Toll Free: 800-522-2285

Fax: 847-965-6541

Map AUSTIN, TEXAS
AUSTIN, TEXAS

3415 Greystone Drive Suite 201

Austin, TX 78731

Phone: 512-219-4075

Fax: 512-219-4077

Map Houston, Texas
Houston, Texas

6225 Park Ten Place Suite 500

Houston, TX 77084

Phone: 713-338-3425

Fax: 713-338-3410

Map BRADENTON, FLORIDA
BRADENTON, FLORIDA

305 15th Street West

Bradenton, Florida 34205

Phone: 941-238-1000

Toll Free: 800-522-2285

Fax: 941-238-1005

Map WASHINGTON, D.C.
WASHINGTON, D.C.

1150 Connecticut Avenue, NW Suite 500

Washington, DC 20036-4104

Phone: 847-965-7500

Toll Free: 800-522-2285

Fax: 847-965-6541

Map DOHA, STATE OF QATAR
DOHA, STATE OF QATAR

Al Kassarat Road - R/A 41 Industrial Area, P.O.Box 14212

Doha, State of Qatar

Phone: 974-4037-0130

Fax: 847-965-6541