Stamps.com Inc. provides Internet-based mailing and shipping solutions in the United States and Europe. It operates through Stamps.com and MetaPack segments. The company offers mailing and shipping solutions to mail and ship various mail pieces and packages through the United States Postal Service (USPS) under the Stamps.com, Endicia, ShipEngine, ShipStation, ShipWorks, and ShippingEasy brands. Its solutions support various USPS mail classes, including First Class Mail, Priority Mail, Priority Mail Express, Media Mail, Parcel Select, and others. The company's USPS mailing and shipping solutions enable users to print electronic postage directly onto envelopes, postcards, or labels using personal computing device, printer, and Internet connection. It also provides multi carrier shipping solutions under the MetaPack brand; mailing and shipping integration solutions comprising electronic postage for transactions to partners who manage the front-end process; branded insurance to insure mails or packages; and international postage solutions. In addition, the company offers customized postage solutions under the PhotoStamps brand, which allow consumers to turn digital photos, designs, or images into USPS-approved postage; and sells NetStamps labels, shipping labels, mailing labels, postage printers, scales, and other mailing and shipping-focused office supplies through its mailing and shipping supplies stores, as well as domestic and international shipping services. It serves individuals, small businesses, home offices, medium-size businesses, large enterprises, e-commerce merchants, large retailers, and warehouse shippers. The company was formerly known as StampMaster, Inc. and changed its name to Stamps.com Inc. in December 1998. Stamps.com Inc. was founded in 1996 and is headquartered in El Segundo, California.