Entweg B1206 Full/Half Step Driver 2-Phase Stepper Motor Driver Driving Voltage 20V-120VDC Current 6A
High bus voltage stepper drives and motors from AutomationDirect
SparkFun ProDriver - Stepper Motor Driver (TC78H670FTG) - No Soldering Required Power Supply Operating Voltage: 3.6 V to 16.0 V Allows Full Half Quarter and More Step Operation: Amazon.com: Industrial & Scientific
Cloudray 2-phase Stepper Motor Driver Dm542s Supply Voltage 18-50vdc Output 1.0-5.0a Current - Motor Driver - AliExpress