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Service Request

YES systems are built to last decades in the cleanroom. In the event that your system requires a visit from a field service technician, we can arrange a visit to your cleanroom.

Phone support is available for basic questions about a YES system you currently own. Have the serial number handy when you call or use the contact form to submit your service request:









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Contact Information

Yield Engineering Systems (YES)
203-A Lawrence Drive
Livermore, CA 94551-5152 USA

US Toll Free: 1-888-937-3637
International: +1-925-373-8353
E-mail: [email protected]

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About Our Company

Located in Livermore, California, Yield Engineering Systems (YES) is a privately held company that manufactures engineering process control equipment to meet the needs of innovative engineers and lab managers.

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