An arcade stick is a controller that often comes with a joystick on the left and buttons on the right. It can make many fighting games easier to play.
The Pinebox is a stickless controller that is made of pinewood and is also available in a Super Smash Bros layout.
This fully customizable controller is also available in arcade stick format for those based in France or willing to ship from France.
The Brook Agon Arcade Stick Collection provides you two different arcade sticks to choose from with plenty of customization opportunities.
JumpHack is one of Japan's finest sources of highly customizable controllers, such as the JumpHack11-XL (also known as the JH11XL).
The Legend Gamers Mini is a decent arcade stick if you are looking to have some old school PC fun or feel like modding.
ASI hit a homerun with this highly customizable case that can also be ordered preassembled. A WASD edition is available too.
The Studio is so customizable that—in addition to its layout—you can pick the colors of its buttons' rims.
The MakeStick X Prime is a banger by IST Mall that is also available in a Knee Edition for Tekken fans and enthusiasts.