3D SYSTEMS INC.
CARBON INC.
CELLINK
EOS GMBH
FABRX LTD.
FORMLABS
GE AEROSPACE (GENERAL ELECTRIC CO.)
HP DEVELOPMENT CO. L.P.
MATERIALISE
NIKON SLM SOLUTIONS AG
PRODWAYS GROUP
PROTO LABS INC.
REGENHU
RENISHAW PLC.
STRATASYS LTD.