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Whether you’re interested in windows, doors, gutters or siding, our experts are here to help. Get in touch with questions or quote requests and stop in to experience Thompson Creek® products for yourself.

General Info: 866-572-7335

Customer Service: 240-455-9482 Email:

Corporate Headquarters & Showroom 5000 Philadelphia Way Lanham, MD 20706 Take the tour!

Visiting Hours: Monday-Saturday : 9 AM-5 PM. Sunday : Closed

Manufacturing Plant & Distribution Center 8100 Penn Randall Place, Upper Marlboro MD 20772 Take the tour!

Hours: By Appointment