We are Tosoh Quartz, Inc. (TQI), the world's leading manufacturer of quartz glassware for the semiconductor industry. With locations in Portland, OR and Durham, UK, we have been dedicated to uncompromising quality and service since our founding in 1957. Our purpose is to transform Earth’s most useful natural substance into products that benefit humanity. 

Semiconductor

Tosoh Quartz, Inc.

Roger Wood

Melisa Parker

Cathy McDonald

Diana Koegler

Maximilian Tjipto

Cameron Helikson Csp

Karen Hazlett

Don Price

David White

Clyde Loftis

Laura Dubois

Richard Green

James Foley

Engineering

Management Team

Technical Team

Customer Experience Team

Leadership Team

People Operations and HR

��

Teams at Tosoh Quartz, Inc.

Engineering

Management Team

Technical Team

Customer Experience Team

Leadership Team

People Operations and HR

��������

Teams at Tosoh Quartz, Inc.

Engineering

Management Team

Technical Team

Customer Experience Team

Leadership Team

People Operations and HR

��