Because there are so many great fighting games to play on the PC, you really need to check out the fightsticks that are compatible with it.
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.
The DuelPad A16 is an acrylic controller that has 16 buttons with LED support and even comes with a modern console port.