UltiMachine is a 3D printer supply company that supplies hardware, such as motors and cables, and filament. The company designs and manufactures 3D printing electronics and participates in RepRap to provide open-source hardware.

UlitMachine was founded in 2009 when, with the help of RepRap, it tested different polymers for plastic filament. UltiMachine arranged for the first production of PLA filament in the US. Some of the products they offer are ABS, HIPs, PC, PLA, and PVA plastic filament, 3D printer controller kits, motors, wires and cables, extruder components, and Mendel hardware.