MPC is a company that prints custom decks of cards (54-234 cards per pack) in multiple sizes. You'll probably want to buy in bulk to get a decent price. People tend to use this service for their aftermarket Foo Against Humanity decks.
A company that sells opensource RISC processor cores. Linux compatible. RISC-V in particular. 32-bit and 64-bit. Prides itself on having no NDAs, all datasheets are available for download. Embedded cores, too. Free access to FPGA bitstreams for testing, benchmarking, and development.
company that sells advertising space on tv screens in elevators. You can pick the building you want them shown in. lulz
A company that sells keyboards, keycaps, keyswitches, cables, and all the other nifty-keen-like-wow stuff that people use to trick out their hardware.
A company that prints custom playing cards in small batches. Will even print single decks of cards at a good price. Download their template file prior to sending an order.