The United States is one of the most prominent fightstick manufacturers, and you can find fightsticks offered by mainstream companies & boutique stores.
The Granola Summit is an open source PLA Pro controller that has a port for additional console compatibility.
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.
Cubs made a hybrid, the Cubstraption, that has a GameCube controller on the left and half of a box controller on the right.
The Mini•Dub is a smaller version of the 4TW by jonyfraze, and the primary difference is how the edges are mostly straight.
The pandemic inspired the inception of Wood Tier Customs as a woodworking studio that makes enclosures, sometimes prebuilt.
If there's a most innovative award, the JTechWorkshop would definitely be a contender. Its leverless controllers have highly custom layouts.
The Glyph is a modular all-button controller that is available in layouts for games from Smash to Street Fighter.