One can argue that Amazon is the most popular for ordering fightsticks, meaning controllers with a joystick, but it also has great leverless controllers.
Hori marks its debut in the generation of consoles with the Hori Fighting Stick α that brings a slew of innovative features.
The 8BitDo Arcade Stick is a steal given the perks that it packs, and it retains the Nintendo charm from its predecessor.
If you are looking for an arcade stick that has Sanwa parts embellished by LED, the Evangelion e:Project Arcade Controller might be for you.
The SallyBox is a mini controller with a layout that allows you to use it as a leverless or WASD controller.
This sequel to the critically acclaimed Obsidian has two interchangeable joystick tops you can store on the right side.
The Qanba B1 Titan is officially licensed by Sony, has a Sanwa joystick, and has Sanwa buttons in the Vewlix layout.
The sequel to the Qanba Drone quite interestingly features a Qanba OV7 Omron joystick and Qanba B30 buttons.
The RTU is a slim 1" mini leverless controller with Cherry MX or Glorious Pandas switches that you can customize the button colors of.