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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

815 Brazos Street
Suite A, #533

Austin, TX 78701

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

Phone: 800-522-2285

Fax: 847-965-6541

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

8403 Colesville Road
Suite 1100

Silver Spring, MD 20910

Phone: 240-638-2775

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