RheoMinerals Inc. is a specialty clay minerals company.

RheoMinerals chemically modifies several types of clay minerals at a “state-of-the-art” manufacturing facility in Fernley, Nevada, offering a full line of organophilic clay mineral products. RheoMinerals’s product line includes rheology modifiers, absorbents, flow control agents, suspending agents, and mycotoxin binders. RheoMinerals supplies products for use in the drilling fluids, industrial coatings, environmental soil remediation, industrial wastewater clean-up, and animal feed industries.

RheoMinerals is focused on innovative solutions through interactive product development that provide cost effective solutions. The company is also focused on opportunities to collaborate with industry leaders where combining resources provides opportunity for cost effective and innovative solutions.


Mission Statement

RheoMinerals Inc. strives to meet and exceed customer expectations in product quality, customer service, and price through continuous innovation and collaboration.


Vision Statement

RheoMinerals Inc. envisions to be recognized as a leader in the organoclay products through the superior quality of products and commitment to customer service excellence, and to enable and stand at the forefront of developing technologies.

  • Jerry McNamara

    President & CEO

    Jerry McNamara holds a Bachelor of Science in Chemistry from the University of Portland, and an MBA from University of Nevada (Reno) with a focus in operations and executive management leadership. He brings over 25 years of operations and management experience to the organization with an industrial background in various mineral, industrial, and coatings manufacturing/processing. Previously Director of Manufacturing at Altairnano Inc., overseeing anode development/manufacturing, & energy storage assembly teams in the US and China.

  • Michael Foust

    Vice President of Sales & Marketing

    Michael Foust holds a Bachelors of Science from the University of Central Arkansas. He came to RheoMinerals from Baker Hughes where he spent the last 8 years working as a Drilling Fluids Specialist and most recently as an Applications Engineer. In these roles Michael was involved in global product launches, trials, and development. His domestic and international experience with drilling fluids brings added value to RheoMinerals as the company expands its product portfolio.

  • Tom Powell

    Manager of Clay Operations

    Tom Powell holds a BA Mathematics and a BA Chemistry. He brings over 30 years’ experience in industrial minerals, specialized in clays, and organoclays. Other experience includes Product Development, Technical Service, Sales & Marketing, Plant and General Management.

Innovate. Collaborate. Excel.