Worlde Midi Keyboard 25 Portable Mini 37-key Usb Midi Controller Keyboard Instrument Electronic Organ - Piano - AliExpress
Amazon.com: Novation FLkey 37 37-Key MIDI Keyboard Controller for FL Studio Bundle with Sustain Pedal and 4-Port USB 3.0 Hub (3 Items) : Everything Else
iRig Keys 2 Pro - full-sized 37-key MIDI controller for iPhone/iPad and Mac/PC - NLFX Professional
Korg microKEY-37 Air 37 Key MIDI Controller
Akai Professional MPK Mini Plus 37-key Compact Keyboard Controller - inMusic Store