Stamps.com is a provider of Internet-based mailing and shipping solutions in the U.S. and Europe. Co.'s portfolio of solutions is marketed under the brand names Stamps.com®, Endicia®, Metapack®, ShippingEasy®, ShipEngine®, ShipStation®, and ShipWorks®. Co.'s operations consist of the following segments: Stamps.com and Metapack. The Stamps.com segment includes the results of brand names Stamps.com, Endicia, ShippingEasy, ShipEngine, ShipStation and ShipWorks. Stamps.com's customers are primarily located in the U.S. The Metapack segment provides multi-carrier enterprise-level shipping software solutions to e-commerce retailers and brands who are primarily located in Europe.