Cluster Mailbox and
Parcel Collection Drop Boxes

Alpha Products has several partners in the Postal Industry, including Postal Products Unlimited, a large distributor of all products related to mail delivery. Alpha manufactures many of their products, including the USPS Approved 4C High Security Box, the USPS Approved F-Spec Cluster Box Unit, and the Mail Vault. Together, Alpha and Postal Products are one of only three licensed providers of the F-Spec Cluster Box Units.

For info on these products and more, please go to For specific info on the Cluster Box Units (CBU), please go to

Alpha also manufactured a majority of the DHL Parcel Collection Boxes currently used in the United States. By showing an improved quality and comparable pricing to overseas competitors, Alpha won 50% of the initial contract and 100% of a secondary order. Improvements to design were made after finding leaks in the collection boxes as previously designed.

DHL Parcel Collection Box