Stamps.com Inc. provides Internet-based postage solutions in the United States. It offers solutions for mailing and shipping various mail pieces, such as postcards, envelopes, flats, and packages using a range of United States Postal Service (USPS) mail classes, including First Class Mail, Priority Mail, Priority Mail Express, Media Mail, Parcel Select, and others. The company’s products and services comprise USPS approved PC Postage service that enables users to print electronic stamps directly onto envelopes, plain paper, or labels using personal computer, printer, and Internet connection. It also provides multi carrier shipping solutions under the ShipStation and ShipWorks brands; mailing and shipping integrations solutions comprising electronic postage for transactions to partners who manage the front-end process; sells NetStamps labels, shipping labels, other mailing labels, postage printers, scales, and other mailing and shipping-focused office supplies through its mailing and shipping supplies store; and Stamps.com branded insurance to insure mails or packages. In addition, the company offers PhotoStamps, a patented form of postage service, which allows consumers to turn digital photos, designs, or images into USPS-approved postages. It serves individuals, small businesses, home offices, medium-size businesses, and large enterprises. 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.