Taiwan has some pretty interesting fighting game controllers that you should add to your list when searching for the controller of your dreams.
If you were to buy the DRM JS 30's, buy it for its two extra buttons—as well as one touch opening from its bottom.
The Starburst is a mini leverless controller with 15 buttons, and you can tilt it to more than one angle for the comfort of your wrists.
The DRM JS 24's main selling point is its inclusion of a dozen 24 mm buttons—and one touch opening from the bottom.
The DRMFTG DRM Slim is recommended for players with smaller hands who usually play on a desk, and you can cover any unwanted buttons too.
The DRMFTG DRM FL packs a lot of innovation, including many layouts, if you are willing to primarily use it on a desk.
The Brook Agon Arcade Stick Collection provides you two different arcade sticks to choose from with plenty of customization opportunities.
The Martial 5in1 Arcade Fight Stick is yet another white-label arcade stick, but it may capture your interest regardless.
The Yusha Fight Stick is a mini fightstick that was specifically designed to dock the Nintendo Switch.