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.

Tosoh Quartz, Inc.'s headquarters in Portland, OR, United States

The Portland office focuses on overseeing manufacturing projects, planning, and engineering processes for efficient operations.

Portland

Roger Wood

Jackie Chen

Jeff Wessel

Serg Vinyarskiy

Richard Green

James Foley

The Engineering team at Tosoh Quartz, Inc. is responsible for the design, development, and optimization of high-quality quartz glassware products for the semiconductor industry. This includes managing product engineering, quality assurance, and process improvements to ensure the highest standards of performance and safety. The team collaborates across various roles—from design and manufacturing to environmental health and safety— to drive innovation and maintain the company's commitment to excellence.

Engineering

This department focuses on overseeing and managing the manufacturing processes and technologies to ensure efficient production.

Manufacturing Operations

This department oversees engineering projects and process optimization to ensure efficient operations and successful program execution.

Engineering Management

This department oversees the planning, supervision, and execution of production operations to ensure efficient workflow and project completion.

Production Management

This department manages sales strategies and oversees the procurement of goods and services.

Sales and Purchasing

This department specializes in the crafting and shaping of glass products through various techniques.

Tosoh Quartz, Inc.

Org chart

Teams

Engineering

Manufacturing Operations

Engineering Management

Production Management

Sales and Purchasing

Glass Production

Offices

Tosoh Quartz, Inc.

Org chart

Teams

Engineering

Manufacturing Operations

Engineering Management

Production Management

Sales and Purchasing

Glass Production

Offices

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