The platform that an arcade controller works on may be a lead factor in your decision regarding whether or not to buy that controller.
Two things that make the Kyouran Harushion unique are its ample width as well as its fast Kailh Choc V1 Pink switches.
The Granola Summit is an open source PLA Pro controller that has a port for additional console compatibility.
The K10's unmatched Crown buttons coupled with Cherry MX Speed Silver switches make it a formidable controller in any tournament.
The KBGM-H04 is a dual layout controller with an aluminum alloy top and acrylic bottom. You can also add an extender for your wrists.
Just when you thought the T16 could not get any better, Haute42 gave us the T16-C with fast Crystal switches.
The Leme Tech One is a Smash controller that runs on the proprietary Leme Tech One firmware, which is HayBox-based and HayBox-compatible.
The Atari Fire Controller is only one of many retro arcade sticks that SuperBox64 makes with a joystick, trackball, spinner, and buttons.
SmallCab offers DIY steel enclosures, such as this one leverless enclosure with 12 buttonholes on top and six more buttonholes in the back.