Shirerithian–Hoennese Interplanetary Postal, Trade, and Transportation Company

The Shirerithian–Hoennese Interplanetary Postal, Trade, and Transportation Company, often abbreviated SHIPTT or SHIP-TTC (Japanese (Hoenn): 赤豐世際郵貿輸社; classical native reading: Ama-Toyo Yokifa Siyukuba-Akinafi-Itasi Kumiai; modern native reading: Ama-Doyo Yoɂha Suɂba-Aɂne-Idas Kume, Chinese-derived reading: Seɂho Yose Yubosusa) is a Shirerithian–Hoennese company, headquartered in Shirekeep, involved with trade between Hoenn and Shireroth, holding a monopoly on all trade between Terra, the homeworld of the Hoennese people, and Micras.

As of 1664, ownership of the company is evenly divided between the Shirerithian and Hoennese governments.