• Viavi Solutions Inc.
• Yokogawa Electric Corporation
• Keysight Technologies Inc.
• Fortive Corporation (Tektronix Inc.)
• Ametek Inc.
• Rohde & Schwarz GmbH & Co. KG
• Anritsu Corporation
• Advantest Corporation
• Teledyne FLIR LLC (Teledyne Technologies Incorporated)
• EXFO Inc.