Our Team

Cliff Nance is owner and CEO of Tungco. As the son of the founder, he has filled many roles in 24 years; from the plant floor, to VP of Operations, to his present position. He was educated by the University of Kentucky in Business Administration, served 3 years with various charitable works in Lexington, KY and Columbus, Ohio. His passions are faith, family and community.

Amy Herron joined Tungco in January 2021 as the Chief Supply Chain Officer for the Tungco group. She has more than 10 years of global experience in the tungsten industry with a focus on primary and secondary raw materials.  Amy offers Tungco a diverse supply chain knowledge of complex supply chain strategies, logistics, and relationship management.  Her passion is developing, building and sustaining long term relationships with suppliers.

She is a graduate of Seton Hill University and is a certified Six Sigma Green Belt.  If you require more information, please contact her at aherron@tungco.com.

Ryan Sizemore has been with Tungco for 20+ years. In that time, he has served in production, finance, procurement, sales, and currently as Chief Sales Officer. The overall scope of his responsibility is the strategy health of Tungco’s Global Sales.  Ryan’s knowledge of the tungsten industry as well as his passion to create and sustain relationships with customers and suppliers has served he and Tungco well for many years. If you require more information, please contact him at rsizemore@tungco.com.

In 2020, Landon Hendricks joined the Lineage team as General Manager and began to work toward increasing our production capabilities to what it is today. He is now solely focused on developing strong relationships with our customers and discovering new ways to meet the many challenges of this industry. For a current price quote, please contact Landon Hendricks today.

Like several guys within our company Josh McKnight has worked at Tungco in many positions over the years. He holds an Associate’s Degree in Science and as of today, he handles Sales for Cuda Grit. During his off time, he is usually with his wife and 3 kids on the water somewhere or in the woods enjoying the outdoors. If you require more information, please contact him at jmcknight@cudagrit.com.