There are fightstick makers who will allow you to choose your own number of buttons to be featured on your controller, depending on which game you play.
The FightBox M3 is a three-in-one hitstick that lets you use it as a lever, leverless, or WASD controller—and it has premium Sanwa parts.
The One-Off Controller allows you to manifest your vision through its impressively infinite customization options.
Nipe Arcade Originals is a premium source of custom controllers made of some of the finest woods known to man.
JUANminiDIY or JMD Customs is a fightstick builder & woodworker from the Philippines with worldwide shipping.
The FightBox R1-B is FightBoxArcade's answer to the recent influx of box/rectangle controllers that are growing on the Smash community.
AllFightSticks provides DIY cases in different sizes, such as the 15.5" Prototype Steel Aluminum Hybrid case.
The 4TW cast-acrylic case by jonyfraze can be ordered in preassembled or DIY formats as well as different layouts and art.
Kuromaki is the final boss of BOOTH shops—with an incredibly extensive selection of endless case variations.