Contact Us

Triangle welcomes your questions, comments and feedback. You may simply fill out the form below to contact us, or call 1-847-490-6600 to speak to a representative. Hours of operation are 7am to 5pm CST, Monday through Friday.

You can also email us at info@triangledec.com or write to us at Triangle, 710 Remington Road, Schaumburg, IL 60173.

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