Our eCommerce site will be down Tuesday, March 14th from approximately 6:30-7:30 PM Eastern and Saturday, March 18th from approximately 4:00-8:00 PM Eastern for maintenance. We apologize for the inconvenience.

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Interested in becoming a customer of Duncan Supply Company? For more information, click below to start the process.

Become a Vendor

Have new innovating products that Duncan Supply Company needs to sell? Start the process below to become a vendor of Duncan Supply Company.