Stamps.com is a provider of online postage and shipping software solutions. The company's software allows users to print postage stamps and shipping labels from their home or office computers. Stamps.com's customers include small businesses, e-commerce sellers, and individuals who need to ship packages. The company also offers a range of shipping and mailing supplies, including boxes, envelopes, and tape. Stamps.com was founded in 1996 and is headquartered in El Segundo, California.