SACMI

3D Printers and other hardware - link
Major manufacturer of ceramic objects. Located in Italy. Facilities include a ceramic research center.

SensAble Technologies

software and tools - link
“SensAble Technologies” offers 3D rendering programs and equipment (such as the Clay Tool System for fine art and jewelry reproduction)

Z Corp

3D Printers and scanners - link
Company that manufactures 3d printers, scanner, and software for rapid prototyping (one of the only current companies that offers printers that incorporate color.)