usps
(3)
DPS - Digital Postal Service
DPS (Digital Postal Service) is a Delaware-registered SaaS company that modernizes certified communications using AI, blockchain, and Web3. Its flagship platform, CaseMail, lets businesses send, track, and certify both email and postal mail with tamper-evident, court-admissible proof of content, mailing, and delivery. In 2021 the U.S. Postal Service certified CaseMail as the first producer of blockchain-generated ePostage labels, and the company has issued more than 3 million certificates used as evidence in U.S. courts.
Auctane
Auctane is the Austin-based software company behind a family of shipping and mailing brands - ShipStation, Stamps.com, ShippingEasy, ShipEngine, ShipWorks, Endicia, Metapack, GlobalPost and Packlink - that help merchants of every size print labels, compare carrier rates, automate order fulfillment and track parcels worldwide. Formerly known as Stamps.com, it rebranded to Auctane in 2021 under Thoma Bravo ownership, and in June 2026 merged with freight broker WWEX Group to form ShipStation Global, a combined logistics platform serving more than 3 million customers and moving over 3 billion shipments a year.
Shippo
Shippo is a San Francisco-based shipping platform that gives e-commerce merchants and marketplaces a single API and dashboard to compare rates across 40+ carriers, print labels, track packages, manage returns, and handle international customs - turning what used to be a multi-week carrier integration into a few lines of code.