To see unique stone designs realized is our purpose

Yellow Mountain StoneWorks focuses exclusively on stone customization. We provide the stone sourcing, unique finishes, and construction support services needed to realize the designer’s vision.

Purpose Driven. Innovative Solutions. Standout Performance.

This is what you can expect from Yellow Mountain StoneWorks. We will:

  • Achieve something extraordinary together.
  • Solve issues with innovative thinking and techniques.
  • Deliver a quality product and support it with a predictable process and excellent communication.

Quick Facts

  • Yellow Mountain StoneWorks is a privately held company headquartered in Seattle, WA
  • Founded in 2002 to provide new options for customizing natural stone.
  • Reengineered a global supply process so clients can confidently customize their projects.

Member of The Natural Stone Institute

Natural Stone Institute



Richard Campbell

Richard Campbell


Richard has over twenty years of operations experience and thirteen years in custom architectural stone production worldwide. He is also a linguist, a student of six languages, and has lived abroad in two countries. Richard holds a Bachelor of Business Administration (BBA) degree in International Business from Washington State University, a Masters of Business Administration (MBA) degree from the University of Washington, and is a graduate of the DLI Foreign Language Center.

“Seeing projects evolve from concept to execution is incredibly informative and rewarding. It’s a privilege to be a part of so many teams; creative and technical, and to revel in the infinite possibilities of architectural stone.”

John Williams

John Williams


John is a construction and stone industry luminary with extensive project management experience. He is a creative collaborator, skilled at realizing the design intent. He has received national recognition for his work including the AGC/AON Build America Award for Construction Management. He holds a Bachelor of Arts degree in Communications from the University of Washington.

“The combination of engineering and artistry that is used in stone fabrication is awe inspiring. I am excited to know that we are enabling new monuments – personal and public – for others to enjoy.”

“Yellow Mountain StoneWorks is a global resource capable of making the designer's vision a reality on custom stone projects.”

Steve Schirber – Building Performance Engineer, John Kraemer & Sons