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To answer your questions most efficiently, we have e-mail links to connect you directly to the right person to handle your questions. Complete the form, and you will be contacted as soon as possible. You can also contact us by phone, fax, or mail.

Phone and Fax:
Phone: +1 (224) 521-9800 or +1 (800) 343-2227 (toll-free in the United States)
Fax: +1 (224) 521-9801
Normal business hours: Monday through Friday, 8:30 am CT to 4:00 pm CT. 

Mailing Address:
CHEST Global Headquarters
2595 Patriot Boulevard
Glenview, Illinois 60026

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