AMETEK Inc. (CAMECA)
Bruker Corporation
Buehler Ltd. (An ITW Company)
Carl Zeiss AG
Danaher Corporation (Leica Microsystems GmbH)
Hitachi Ltd. Horiba Ltd. JASCO International Co. Ltd. JEOL Ltd. Motic (Xiamen) Electric Group Co. Ltd. Nanonics Imaging Ltd. Nanosurf AG
Nikon Corporation
Ningbo Yongxin Optics Co. Ltd. NT-MDT LLC
Olympus Corporation
Park Systems Corp. PerkinElmer Inc. Phenix Optical Company Limited
Questar Corporation
Schott AG
Scienta Omicron GmbH
Shimadzu Corporation
Sunny Optical Technology (Group) Company Limited
Tescan Orsay Holding AS
Thermo Fisher Scientific Inc. (FEI Company)
WITec GmbH (Oxford Instruments plc)