Ipega has graced the fighting game community with a mini fightstick, the Ipega-9136, that is even smaller than the standard mini fightstick, and it does a great job at this novel type of product.
The Martial 5in1 Arcade Fight Stick is yet another white-label arcade stick, but it may capture your interest regardless.
The Arcade-C-1P is a fightstick with the simple goal of running Raspberry Pi games while packing nifty perks, such as built-in speakers.
The F500 Elite brings you the same goodness you may have derived from the vanilla edition, but Sanwa parts are included with full force.
Fightstick Guy offers a few premium fightsticks, one of which is this M. Bison edition that has golden Sanwa parts.
Brook is best known for providing printed circuit boards, so this fightstick that was once limited edition was a surprise to see.